Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2efb0e748b0f367…

MALICIOUS

PDF

38.9 KB Created: 2021-09-19 23:11:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 5b9dcbdaa6e934102f2e6f7989434573 SHA-1: cd7d4f4dd75bb19ca8e2ce4054ad2f957405ae3e SHA-256: e2efb0e748b0f3677b434654fa652d3eb0479e55fcdb7444b77595e58220479f
84 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as a malicious PDF by ClamAV, exhibiting characteristics of a phishing lure due to its image-heavy nature and embedded action trigger. The PDF contains multiple unknown URLs that likely serve as destinations for the user's click, potentially leading to further malicious content or phishing pages. No scripts were extracted, but the overall structure suggests an attempt to trick the user into navigating to a malicious site.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3793

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 38 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://cualuoihoanmy.com/uploads/userfiles/file/39505753.pdf
    • http://xn--eyt274i.com/upload/files/sikatulekanekod.pdf
    • http://ambvetbrashersclavoghisu.eu/userfiles/files/lofebofevasijub.pdf
    • http://tfforming.ru/d/files/zopotodadava.pdf
    • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=create+folders+on+android+phone

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