Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ae93b8c43bf8cd4…

MALICIOUS

PDF

35.3 KB Created: 2021-04-05 19:15:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ed98c188d1f2bb8c482f4a42da5d33ce SHA-1: 6c68890f3384068665a51e57776ab4076203e658 SHA-256: 3ae93b8c43bf8cd49dcfc8f9bb990502c759ae93bb545201a3c0a5e0162c9c6e
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF is identified as malicious by ClamAV and an ML classifier, and exhibits characteristics of a phishing lure. The heuristic 'PDF_IMAGE_LURE' indicates it's an image-only document designed to trick users into clicking an embedded link. The embedded URL, https://fokemale.ru/award?keyword=logical+reasoning+and+critical+thinking+pdf, is the primary indicator of compromise and likely leads to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8187

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://fokemale.ru/award?keyword=logical+reasoning+and+critical+thinking+pdf

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