Malicious PDF — malware analysis report

Static analysis result for SHA-256 85b9beb9b961fb15…

MALICIOUS

PDF

35.7 KB Created: 2021-01-10 13:15:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 28bfdd45fa97c98e6d3e8e967b1dd612 SHA-1: 5c575fca7b93fcfb975066e25d9510ae026f89e4 SHA-256: 85b9beb9b961fb15da20d1de29ef6f4b1ffbe8d89be8a832feb93a93ca58f7b8
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 0.6891

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://traffking.ru/wb?keyword=todo%20listo%20en%20espanol PDF link annotation
    • https://cdn.sqhk.co/semiwewedazi/UegB3hd/56831265919.pdfIn PDF document text

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