Malicious PDF — malware analysis report

Static analysis result for SHA-256 8db5d0b0bf33da5f…

MALICIOUS

PDF

36.9 KB Created: 2021-08-02 04:36:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-25
MD5: 1ab98e57326d7f5e4bd8a9ff26e4533c SHA-1: a2c208825fbb9759548214508f0be2ad317e5157 SHA-256: 8db5d0b0bf33da5f9ddc9c9b1f3a74121b198b459f4ad71c6f7a4c0f20e07202
84 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a single image and minimal text, characteristic of a screenshot lure designed to trick users into clicking an embedded link. ClamAV detected this file as a phishing trojan. The embedded URL, while flagged as confirmed benign, is still presented as a potential vector for malicious activity.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3316

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 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 https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=exercices+sujet+verbe+ce1+%C3%A0+imprimer PDF link annotation

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