Malicious PDF — malware analysis report

Static analysis result for SHA-256 b94f337f950d8ecf…

MALICIOUS

PDF

35.3 KB Created: 2021-06-13 04:11:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 1c1f8909f89624e46ab615eebe767cd0 SHA-1: bdd025a4e65f1ed81a3e48201d09b8ac93013763 SHA-256: b94f337f950d8ecf07c4986b23d06d66c03275b0350a0f769ecc5283085eb94d
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as malicious by ClamAV and an ML classifier. It employs an image-only lure, a common tactic for phishing, and contains an embedded URI pointing to an external website. The heuristic 'PDF_IMAGE_LURE' indicates the document is designed to trick users into clicking a link, which is consistent with spearphishing. No scripts were extracted, but the presence of an external URL suggests it's intended to lead the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7465

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://garglob.ru/uplcv?utm_term=one+punch+man+manga+website PDF link annotation