Malicious PDF — malware analysis report

Static analysis result for SHA-256 ebbbb15afcdff9f9…

MALICIOUS

PDF

36.7 KB Created: 2021-02-25 02:42:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 3dcb1d9e7361994d7400b5c6c65fb5c4 SHA-1: 9b000a727d90fec32abab41741fdd040ba84bd0d SHA-256: ebbbb15afcdff9f9314aa5099e5858fecd8d786135111f650d0abbd747b4d0e3
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF that uses an image-based lure, typical of phishing attacks. It contains an embedded URI pointing to a suspicious domain, which is likely used to deliver a malicious payload or redirect the user to a phishing page. ClamAV and ML classifiers also flagged this file as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5656

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 https://crophysi.ru/award?keyword=galeano+el+libro+de+los+abrazos+fragmentos PDF link annotation

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