MALICIOUS — 87b9de6b4bf912afea8b0a9cf8f7617a82419794687cd690b192c05049c8e35f

MALICIOUS — 87b9de6b4bf912afea8b0a9cf8f7617a82419794687cd690b192c05049c8e35f is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 5 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 87b9de6b4bf912afea8b0a9cf8f7617a82419794687cd690b192c05049c8e35f
• SHA-1: e10691c23c891b68af7dd8c43a652b5b153bfe7f
• MD5: 01c095769e9c322734275f30a033df2c
• ssdeep: 1536:s4K0m7h6YuMmx/Q/eH0vhHInVCiqiHLg99WPeG2FMvk2h82nVf:lK0m7hiY/3ZonVCkk9q2FGWAf
• TLSH: T1D638D0F360ABDD1C7E875F535DAA152E3099C6882133EB984498B2ACD4BC57CBF10912
• Submitted as: 87b9de6b4bf912afea8b0a9cf8f7617a82419794687cd690b192c05049c8e35f
• File type: pdf · Size: 81249 bytes
• Verdict: malicious (98/100)

Detections (5 of 53 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• ClamAV (daily): Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Emsisoft (Emergency Kit): PDF.Spam.Heur.1
• Trellix Stinger (McAfee): PDF/Phish-FAB!01C095769E9C
• 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-d2568dad23a94d95-d2568dad23a94d95-10044375-0 (rule Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0) - engine signal, weight 0.90, confidence 0.95
• Embedded link rated malicious by URL analysis: http://alarcon-v.com/editor_upload_image/file/gerotazub.pdf - network signal, weight 0.70, confidence 0.80
• Contacted 18 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
• Embedded network infrastructure: http://etcad.net/np/upfile/file/31649806958.pdf, http://alarcon-v.com/editor_upload_image/file/gerotazub.pdf, http://ajtoablakcentrum.com/_user/file/nikemejuxarevufurot.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 (15 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9628 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
• desktop-hsgcbep._dosvc._tcp.local
• 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/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
• http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787842268&P2=404&P3=2&P4=jFBa%2b6I%2bZibopI6oiQwDHjs0xXy0DBXe97YtUpLY8VhlZxUaKwQa25KUyWhng22jbLX2OyxyyK743xmwo5Fo8w%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=1787842319&P2=404&P3=2&P4=ZaZezI%2b0%2fjedUSRI3aQdrxLdjxsQiaj7DO187bbF1g9b0EbAoKdtG78kTNQJEDQj2m7PDo%2bDxTfPkxx35EF21g%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Dropped files

• C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - d6934795c74afc891875b5ec14a4ea6fb6970d029af122ef8d58d767b0f68a70
• C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\dd568a9b0d38b4d62de4ba52b86557cb.png - 24898812611b87dbe2cfc5d8623d139aec863eafc6df25e6b6418751c4097169
• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=seat+ateca+cupra+performance
• http://etcad.net/np/upfile/file/31649806958.pdf
• http://alarcon-v.com/editor_upload_image/file/gerotazub.pdf
• http://ajtoablakcentrum.com/_user/file/nikemejuxarevufurot.pdf
• https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/85b9c3065ceecbe731208448c83c3495/limodigu.pdf
• http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16071a1e62f454---sixux.pdf
• https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/69722023db1d75b0e01ebd2ec90fc5ae/lupovigimigarugogufakeme.pdf
• http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1607d21a0b84ad---wawusotovisajubuzifutekim.pdf
• https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/g504ahdaqpvo4760u37b7p8l7d/51654949518.pdf
• https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/8728d781221b464c7840f04969ebd744/zulir.pdf
• http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/4030c0424e9398260adbf1bb1684665f/meretote.pdf
• https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/03008a19aaad50f6ffd13c537c8e4a98/marazesujenoguxigi.pdf
• http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9919e6995---juteboxijonavesewe.pdf
• https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/160851645c8635---sifidowenoponoxilewunu.pdf
• https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/72f8b6c5a407c4d82a2f11facad00a8d/tinel.pdf
• http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16087ac18d33af---56662476569.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
• http://rb.symcb.com/rb.crl

Embedded domains

• feedproxy.google.com
• etcad.net
• alarcon-v.com
• ajtoablakcentrum.com
• minutesnap.com
• useoneconvo.com
• www.appsolutely.sg
• www.elementstraining.co.uk
• vakukh.ru
• www.rec39.ru
• 414movement.com
• www.1000ena.com
• www.emma-solutions.de
• nceptionsolutions.com
• www.ellisrasbetonwerke.co.za
• www.w3.org
• purl.org
• ns.adobe.com
• www.agrosystem.com.tr

Embedded IP addresses

• 4.150.223.109
• 20.184.175.4
• 4.247.188.224
• 72.145.35.106
• 172.66.2.5
• 52.110.12.22
• 85.210.193.152
• 4.230.171.124
• 52.230.59.222
• 135.233.95.144
• 4.150.223.96
• 52.123.129.14
• 40.99.133.210
• 74.178.232.29
• 72.145.35.99
• 203.26.79.13
• 20.184.175.0
• 4.150.223.104

Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report