Malicious PDF — malware analysis report

Static analysis result for SHA-256 c74eca7645e3f252…

MALICIOUS

PDF

37.3 KB Created: 2021-10-04 09:51:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-24
MD5: 6f2fd10a671743eddaab9690a71fe8ba SHA-1: 9a0c584383ad08c36a631871aedd69c9c82d5c9d SHA-256: c74eca7645e3f252a6f210d3afc788d9d9e9e7e4892551346d6fd1321e9d8e68
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only document with an action trigger, typical of a phishing lure. The presence of multiple unknown URLs suggests an attempt to redirect the user to a malicious site. Although no scripts were explicitly extracted, the ClamAV detection and ML classification indicate malicious intent, likely involving the download or redirection to a malicious payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8472

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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 37 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 http://ovecollection.com/royal/admin/images/products/file/85146065809.pdf In PDF document text
    • https://www.miotsukushi.or.jp/system/ckfinder/userfiles/files/zelipimokumif.pdfIn PDF document text
    • http://szjwwj.com/userfiles/file///42797392951.pdfIn PDF document text
    • http://www.sushmitamukherjee.com/fckimages/file/dufusemoriguxes.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=what+are+the+best+weaknesses+to+say+in+an+interviewPDF link annotation

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