Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e79adc10ac9fe80…

MALICIOUS

PDF

36.7 KB Created: 2021-03-29 13:14:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 5944abd53a63a24e5669adebbf37470b SHA-1: bedcd6d334c0caeb95a45f6498c8f7c8f2b7e2d5 SHA-256: 6e79adc10ac9fe80f640a73b394609b8704b320767642adf2a53df675b72ad98
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 0.5746

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 https://nipisod.ru/award?keyword=b+flat+clarinet+finger+chart+pdf PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4418180/normal_5feb8de3c113f.pdfIn PDF document text
    • https://s3.amazonaws.com/sojenozap/509_goggle_lens_color_guide.pdfIn PDF document text