Malicious PDF — malware analysis report

Static analysis result for SHA-256 eca8bf9a74875de1…

MALICIOUS

PDF

44.2 KB Created: 2021-07-24 14:00:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-16
MD5: 8c2bf854d3aa023d852981e33229e490 SHA-1: 89af0c697c94f760ad5fb63850307375fa3222a8 SHA-256: eca8bf9a74875de185395560e4ec7b0379b087b0358b459ec01f36657ba202cd
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a signature indicating phishing and trojan behavior. It contains an embedded URL that, while currently flagged as benign, is part of the lure. 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 0.3681

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/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=ielts+book+7+listening+test+3 PDF link annotation

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