Malicious PDF — malware analysis report

Static analysis result for SHA-256 e897371ff77269a8…

MALICIOUS

PDF

36.1 KB Created: 2021-08-21 18:10:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-27
MD5: 33686c4be2f0cbb89f911906cd74763e SHA-1: f0da2ce1e0bde27a6381900ac01ab97dd1ad4e6c SHA-256: e897371ff77269a8c1992739ee33a06fd8b6f62a1d2d42e12906688e9f7e543c
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing lure due to its small size and image-heavy content with an action trigger. The presence of embedded URLs suggests an attempt to redirect the user to a malicious site for further exploitation. No scripts were extracted, but the overall structure points to a common phishing or malware distribution tactic.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7335

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 36 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://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606f571b76181---misaremagid.pdf In PDF document text
    • https://menuiserie-sainte-anne.fr/userfiles/file/razilomuwilisus.pdfIn PDF document text
    • https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/6fea367362207d62d782ff50beb22a8c/2509471896.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=parasitologia+medica+tay+lara+8+edicion+pdfPDF link annotation

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