MALICIOUS — normal_5fbbb936c198f.pdf
MALICIOUS — normal_5fbbb936c198f.pdf 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:
338fd2c6093939411b72320d15e8ee02993f82983ddd4247e687303aabd062ea - SHA-1:
30b90f270315acc994d8517c953f7016af57f73e - MD5:
19937a6d30ee5659b7cb79c8a7978ed7 - ssdeep:
1536:PdXmLYeweDyIlObHyfaSJe4Nc61BOZGjWaMqZacjer/vKsgV4xc:emAoyfaSJem5BOoWavZacjs/ifVV - TLSH:
T12C36D0F37127ECCC26C117137ABA241DA489D7CC1532EA9455887A2CC47CB6EFE24952 - Submitted as: normal_5fbbb936c198f.pdf
- File type: pdf · Size: 64575 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
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://uploads.strikinglycdn.com/files/1a786814-c0c5-4bc2-b363-4bbe56f7a716/gevuzudezi.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 15 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://traffking.ru/123?utm_term=building+material+calculator+excel, https://uploads.strikinglycdn.com/files/6d0344d8-59fc-4b85-8ee2-ae8889374941/86532136230.pdf, https://uploads.strikinglycdn.com/files/1a786814-c0c5-4bc2-b363-4bbe56f7a716/gevuzudezi.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 (4 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9701 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
- 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=1787765615&P2=404&P3=2&P4=D1AEarF4ka7BFtxOL8YyoVNJdZGxm5CUUCdNZPMhLYastBQ5dAZERftsiA9G%2fNlzTUvBEG82syN88PxPEOcHfg%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=1787765659&P2=404&P3=2&P4=N1%2fOohazI6Uvj4kEyijhFWV4J0TrW7X%2fMY63rBZ%2bkQfFQDhqOKetmFoPIu6WCo%2b%2bOUxKWoTDE%2bY00bus05hTYA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- 23.40.52.209
- 23.11.37.157
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\1fab94c0d8f653ebe158e8e3455090db.png -
eef07c77acde5868ef11aadb1845c261dab615dcb77f1167c3ad0fc3d84ccda5 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
6831c93af7953969d60ac57f8ddf49f720b9fe7ba878296501dd688cf337fb34 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://traffking.ru/123?utm_term=building+material+calculator+excel
- https://s3.amazonaws.com/vipuxafol/angular_2_blob_filename.pdf
- https://s3.amazonaws.com/kefefetafij/debejadolob.pdf
- https://uploads.strikinglycdn.com/files/6d0344d8-59fc-4b85-8ee2-ae8889374941/86532136230.pdf
- https://s3.amazonaws.com/jukezeluf/essential_oils_and_benefits.pdf
- https://s3.amazonaws.com/tuzakifezara/three_branches_of_government_worksheets_5th_grade.pdf
- https://uploads.strikinglycdn.com/files/1a786814-c0c5-4bc2-b363-4bbe56f7a716/gevuzudezi.pdf
- https://uploads.strikinglycdn.com/files/38334986-7975-4d6f-ad83-c0092d1b0d19/dimigato.pdf
- https://s3.amazonaws.com/pujirageg/duck_life_hacked_max_level.pdf
- https://s3.amazonaws.com/sezebepit/nopajemopijuf.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
- 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=1787765615&P2=404&P3=2&P4=D1AEarF4ka7BFtxOL8YyoVNJdZGxm5CUUCdNZPMhLYastBQ5dAZERftsiA9G%2fNlzTUvBEG82syN88PxPEOcHfg%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=1787765659&P2=404&P3=2&P4=N1%2fOohazI6Uvj4kEyijhFWV4J0TrW7X%2fMY63rBZ%2bkQfFQDhqOKetmFoPIu6WCo%2b%2bOUxKWoTDE%2bY00bus05hTYA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- traffking.ru
- s3.amazonaws.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 4.247.188.233
- 52.110.12.55
- 4.230.171.124
- 48.211.4.16
- 135.233.95.144
- 135.232.92.97
- 203.26.79.13
- 52.123.128.14
- 172.178.240.162
- 52.123.252.216
- 52.123.252.224
- 57.155.101.212
- 4.150.223.115
- 48.199.12.1
- 4.150.223.99
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report