Malicious PDF — malware analysis report

Static analysis result for SHA-256 662498119a0a970c…

MALICIOUS

PDF

35.5 KB Created: 2021-06-18 06:18:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 8e540ca294bfcc9c706ae1aa9b5da306 SHA-1: 8efd0736336e9db983417ce43e13abbba6ed9f18 SHA-256: 662498119a0a970c0d591620fffaf29314564d8dd81174d8f98db9b964d3c67c
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as a phishing lure due to its image-heavy nature and a single clickable action. The embedded URL, although marked as benign, is part of the lure mechanism. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for delivering a secondary payload or redirecting to a phishing site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6975

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://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=shingeki+no+kyojin+manga+mikasa PDF link annotation