Malicious PDF — malware analysis report

Static analysis result for SHA-256 bc4f0677d1a9e051…

MALICIOUS

PDF

128.0 KB Created: 2021-09-04 18:25:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-02
MD5: 5b75cfea628692c3674bdbaed8bd0b20 SHA-1: 9da457274a22cc91e56e476db85f2d13fa0304bc SHA-256: bc4f0677d1a9e0510ab87ad8113b5f8f53ca9fd0b640a329fc09175be02f4783
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected as malicious by ClamAV with a Pdf.Phishing.Trojan signature. It contains an embedded URL that, while currently flagged as benign, is likely intended to redirect the user to a phishing or malware distribution site. The PDF structure and metadata suggest it was generated by wkhtmltopdf, a tool often used to create documents that can host malicious content.

Machine Learning

  • Nyx PDF Classifier clean score 0.2190

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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/LPIa9PGmDLg/uplcv?utm_term=skin+disease+list+a-z+pdf PDF link annotation

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