Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e9e7d267f7968f2…

MALICIOUS

PDF

37.1 KB Created: 2021-09-02 11:57:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-14
MD5: 1e2c72043cfc1a0430b557bd6b67aca5 SHA-1: 81572e3d22233c843c67d5c027b0d46dcee0f66a SHA-256: 9e9e7d267f7968f20318e7faea6c51b8e09af8ddc0048d1c55b30b990f463620
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing lure. The 'PDF_IMAGE_LURE' heuristic indicates it's an image-only document designed to trick users into clicking an embedded action trigger, which likely leads to a malicious URL. The presence of multiple embedded URLs further supports this phishing or malware distribution vector.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6864

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 37 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://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cada5fcd070---kubozo.pdf In PDF document text
    • https://get-insurance.in/ckfinder/userfiles/files/27337860739.pdfIn PDF document text
    • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bf2147dedcf---senolujenowopisokino.pdfIn PDF document text
    • http://webbuilders.com/files/file/nenakifajuxubijewolo.pdfIn PDF document text
    • https://thic.muki001.com/plugin/ce1/ckfinder/userfiles/files/13227135800.pdfIn PDF document text
    • http://szakkepzosiklos.hu/upload/file/sabatuzi.pdfIn PDF document text
    • http://jinxinghotel.com/uploads/files/fatuzevawezipomi.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=converter+arquivo+dwg+para+pdf+gratis+onlinePDF link annotation

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