MALICIOUS — 7ac2c9010089b2ab8a532ccd06113974daadcff4272fd078ec0c73478e58e1bc

MALICIOUS — 7ac2c9010089b2ab8a532ccd06113974daadcff4272fd078ec0c73478e58e1bc is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 4 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 7ac2c9010089b2ab8a532ccd06113974daadcff4272fd078ec0c73478e58e1bc
• SHA-1: 19f0696f29553e69c9575d8277f7896e5ccf5080
• MD5: 73094798919c91e0e497d980dd29c31a
• ssdeep: 3072:dGrNZmOnLswlZAFH6RTBcQ74X2OGK7xaNaCA:dWZFxAFH6RNhUX2OKO
• TLSH: T13E3BE1F3A297CD5CB78A1F9369EA08197102E1853172AB3040D1BB69D8BC7FCBE14561
• Submitted as: 7ac2c9010089b2ab8a532ccd06113974daadcff4272fd078ec0c73478e58e1bc
• File type: pdf · Size: 109712 bytes
• Verdict: malicious (98/100)

Detections (4 of 53 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• ClamAV (daily): Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Emsisoft (Emergency Kit): PDF.Spam.Heur.1
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

• T1105
• T1566.002

Why this verdict

The malicious score of 98/100 is the fusion of 7 weighted signals:

• ClamAV (daily) flagged Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 (rule Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0) - engine signal, weight 0.90, confidence 0.95
• Embedded link rated malicious by URL analysis: https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/cbhjkh7rp0qbnqvdn48clhpal9/30313611768.pdf - network signal, weight 0.70, confidence 0.80
• Contacted 16 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
• Embedded network infrastructure: https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b9ef89570c---80263580871.pdf, https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16077085a362e8---wevujidujifuxezupizesuk.pdf, https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/egiemk40chnq3q4sqcecichja7/kozujosinenenewejasif.pdf - static signal, weight 0.35, confidence 0.60
• Document active content: uri-action - static signal, weight 0.30, confidence 0.60
• Packing/obfuscation: high-entropy-blob - static signal, weight 0.25, confidence 0.55
• Extracted generic config (16 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9777 behavior events · 0 ATT&CK techniques · 3 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• to-do.office.com
• staging.to-do.officeppe.com
• teams.cloud.microsoft
• outlook.office.com
• outlook.office365.com
• outlook.cloud.microsoft
• ntp.ubuntu.com
• 250.255.255.239.in-addr.arpa
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• http://203.26.79.13/filestreamingservice//files/fa5c4269-9d03-4a47-8d97-be6931f0b22c/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
• http://203.26.79.13/filestreamingservice/files/fa5c4269-9d03-4a47-8d97-be6931f0b22c?P1=1787873760&P2=404&P3=2&P4=APoymUZxwjOtuQk6tKJ4hMqKMEtSjuyFo0u0tuMtYiT%2biwcmsPnVtm2rqpoZztBJ8e4AmiQgoT92gG6zOEjY2Q%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
• http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
• http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787873831&P2=404&P3=2&P4=PPri7anqpeoGhs1jeRublVI9OwumWmMQBl%2fMUDw%2froQug0S4ImZigZjvsbvkKzeoQpku%2fjZ1dxCc7drlEYR1Qw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
• http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com

Dropped files

• C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\f6c2979166a36f34d0bc1f0435350771.png - 08a8e63cc6b8387fb91d3f7077f3e0193acfa6f841e5b26d410b709f944875d8
• C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - 5ee1de10411fe6eb0702054189b0bbc26f03d1674306a0784b1c28a4afd46df2
• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=bibtex+format+examples
• https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b9ef89570c---80263580871.pdf
• https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16077085a362e8---wevujidujifuxezupizesuk.pdf
• https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/egiemk40chnq3q4sqcecichja7/kozujosinenenewejasif.pdf
• https://www.sudburyhighspeedinternet.ca/wp-content/plugins/super-forms/uploads/php/files/abb44eb99f4706875cc3bf98eef4b8bc/zedukowuxusapakaf.pdf
• https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/4kqpmu9hrn27c82gg2cdf9epn3/98167264025.pdf
• https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/cbhjkh7rp0qbnqvdn48clhpal9/30313611768.pdf
• http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8134e4f60---nosogisexabipogazew.pdf
• http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080be5b1eb08---kepudegibekegupolezup.pdf
• http://aucoindeshalles.fr/menu/file/21292021384.pdf
• http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160779fe2d39a0---56677119882.pdf
• https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/c1409829470d0bb0a626aaf26434d8bf/34243229056.pdf
• https://opuntia.eu/wp-content/plugins/super-forms/uploads/php/files/cc3526cf0bd23cdbf1cce44733ff0064/votukasevuvirevijidu.pdf
• http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3a0695071---38330147875.pdf
• http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608a9dd98de09---65746326089.pdf
• http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16089f8fbea75d---6485489824.pdf
• https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/d5f765161e779e6ca3351b4d1e71619c/wolurodaragawusi.pdf
• http://www.w3.org/1999/02/22-rdf-syntax-ns#
• http://purl.org/dc/elements/1.1/
• http://ns.adobe.com/pdf/1.3/
• http://ns.adobe.com/xap/1.0/
• http://ns.adobe.com/xap/1.0/mm/
• http://ns.adobe.com/xap/1.0/rights/
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D

Embedded domains

• feedproxy.google.com
• www.adler-leitishofen.de
• www.sudburyhighspeedinternet.ca
• canadiancontractorservices.com
• ecobox.eng.br
• botanicgardenscafe.com.au
• kaplanpm.com
• aucoindeshalles.fr
• www.britocunhaadvocacia.com.br
• www.themeshcowork.com
• opuntia.eu
• caribsplash.org
• dabien.co.kr
• otdelkamos.ru
• www.w3.org
• purl.org
• ns.adobe.com
• noukos.gr
• glasschneider.koeln
• argra.rs

Embedded IP addresses

• 20.42.73.27
• 52.123.252.231
• 52.110.12.30
• 57.154.63.210
• 4.230.171.124
• 20.184.175.1
• 135.232.92.97
• 52.123.128.14
• 74.178.240.61
• 4.150.223.101
• 203.26.79.13
• 172.178.240.161
• 92.223.78.30
• 74.178.232.29
• 52.168.117.169
• 52.148.114.188

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report