Malicious PDF — malware analysis report

Static analysis result for SHA-256 149111ba5bbb0fd6…

MALICIOUS

PDF

40.3 KB Created: 2020-12-14 17:45:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 83e886e1ed37da258b4f633cb701989d SHA-1: fa7a79716b083e4d7f4b6dd11f5a2d945615bcdf SHA-256: 149111ba5bbb0fd60f962d63e8d064d83e7fa6b99ba0af55159c47e2763d0b36
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only document designed as a lure, typical of phishing or malware distribution. It contains an embedded URI pointing to 'trafffi.ru', which is likely the malicious destination. The ClamAV detection and ML classifier further support its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6087

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 40 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://trafffi.ru/strik?utm_term=paco+el+chato+cuento
    • https://static.s123-cdn-static.com/uploads/4450733/normal_5fc4a92d3035b.pdf
    • https://cdn-cms.f-static.net/uploads/4371809/normal_5f8d04680ac71.pdf
    • https://cdn-cms.f-static.net/uploads/4444102/normal_5fc1cb13255a8.pdf
    • https://cdn-cms.f-static.net/uploads/4491155/normal_5fb26848ea319.pdf
    • https://static1.squarespace.com/static/5fcf333b7d46c3615fb1514b/t/5fd679f85b1f6f7539dae143/1607891449179/beowulf_full_movie_mp4.pdf
    • https://uploads.strikinglycdn.com/files/287a6cc7-7e98-4511-bf2b-a7e5c2d16110/nebaporikitegukokixedaf.pdf
    • https://s3.amazonaws.com/tipikaxe/63891141577.pdf
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbdfac9145a8629dc768cbe/1606286026046/pesikate.pdf
    • https://s3.amazonaws.com/fomudebipefasu/76109276816.pdf
    • https://static1.squarespace.com/static/5fc5166417e7202640051625/t/5fcb5cad393ce4735632163e/1607163054121/10336153680.pdf