Malicious PDF — malware analysis report

Static analysis result for SHA-256 3b1d22bd9ef4f30b…

MALICIOUS

PDF

35.3 KB Created: 2021-04-03 10:33:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2abfd92ca371a4bd1e5cebe9f61149d3 SHA-1: 7f3d50f37c7c68597f357f8cf16efa69286245df SHA-256: 3b1d22bd9ef4f30bce9cdff3b7c709587cfe7c2d4f128ddfdd79fdf3aa39cc09
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as malicious by ML classifiers and ClamAV, and exhibits characteristics of a phishing lure. It contains an image-based screenshot designed to trick users into clicking an embedded URI. The embedded URL, https://xajibur.ru/award?keyword=cateye+micro+wireless+manual+pdf, is the primary indicator of compromise, likely leading to a phishing page or further malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7147

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://xajibur.ru/award?keyword=cateye+micro+wireless+manual+pdf

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