Malicious PDF — malware analysis report

Static analysis result for SHA-256 d29932794f5bcfbe…

MALICIOUS

PDF

35.6 KB Created: 2020-11-09 18:24:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c53c185e99eb28cd0a2624e18044e2b5 SHA-1: 916e1be760824ee34dbffec35185dae888e9f094 SHA-256: d29932794f5bcfbe069fa90cbca34848a93e7f48c197daeab6c8548d365475ac
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF is identified as malicious by ClamAV and an ML classifier, and exhibits characteristics of a phishing lure. The 'PDF_IMAGE_LURE' heuristic indicates it's an image-based document with a clickable action, likely leading to the embedded URL. The document body is heavily obfuscated, but the presence of an external URI suggests an attempt to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6807

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 35 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://traffnew.ru/aws?keyword=examples+of+solicitation+letters
    • https://cdn-cms.f-static.net/uploads/4450242/normal_5fa18fb80db91.pdf

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