Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e5f076b93318a5a…

MALICIOUS

PDF

36.3 KB Created: 2021-07-09 23:59:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-24
MD5: ef054c8d21d9c334cb70172be8bc133f SHA-1: efb98901ae00953b47c3547a05428b5596fd82d6 SHA-256: 5e5f076b93318a5a0437837e1333f3f9411f8b341f4ff33562e64e35b79938c3
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file uses an image-based lure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7100

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 http://7tec.ru/userfiles/files/90421159486.pdf In PDF document text
    • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/b2ce597ffe054a915345f70bc5e55455/73606366748.pdfIn PDF document text
    • https://aquafilling.com/userfiles/file/56471472514.pdfIn PDF document text
    • http://doktor-okonski.pl/uploadimg/file/patevi.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=the+man+with+the+iron+fists+streamingPDF link annotation

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