Malicious PDF — malware analysis report

Static analysis result for SHA-256 c8d72c3fcb760c49…

MALICIOUS

PDF

42.8 KB Created: 2021-07-25 00:12:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-05
MD5: 0a3641d889098c1d0f3ccf9cf7d2a123 SHA-1: 95e9ce612af75b867be1a2ff84a3b7e13a1ae144 SHA-256: c8d72c3fcb760c49fa21a54161f8fe98a36421015c2186ae5bb3bb5cc178b5aa
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is detected as a phishing trojan by ClamAV. It contains an embedded URI that points to a URL which, while currently flagged as benign, is likely part of a phishing campaign. The PDF structure and metadata suggest it was generated by wkhtmltopdf, a tool sometimes used to create malicious documents.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3563

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=sample+cover+letter+for+tourist+visa+application+south+korea PDF link annotation

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