Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d2a33892f13b4e5…

MALICIOUS

PDF

35.9 KB Created: 2021-08-12 02:35:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-07
MD5: d635e6db491d086cf3fe40e68e14cb72 SHA-1: f42fefad7f3bd0f1e8dc1d9b9aae592dbdde201c SHA-256: 8d2a33892f13b4e5b53945b4d85166a4fe6c29564df4687c9176f4ab1ea83bab
84 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as a phishing lure due to its image-only nature and the presence of a clickable external URI. The ClamAV detection further supports its malicious classification. The embedded URL, while flagged as benign by the reputation service, is still included as a potential indicator of compromise.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3316

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/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=generador+de+gemas+clash+royale+gratis+2019 PDF link annotation

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