Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb8d8289ba5c30e0…

MALICIOUS

PDF

42.8 KB Created: 2021-08-18 08:08:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-05
MD5: 2cefed036ca4fba4f137a5f000a8a364 SHA-1: a5c32ec8b6ae0d3227c09ad86e2bba5a3eda7517 SHA-256: cb8d8289ba5c30e015c87a4323a505fa2f79287f767f5f419d4879186cf34aac
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a 'Pdf.Phishing.Trojan' signature. It contains an embedded URI pointing to a suspicious domain, which is likely part of a phishing campaign. No scripts were extracted, but the presence of the malicious URL and the ClamAV detection strongly suggest a phishing attack.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3563

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://queure.ru/uplcv?utm_term=phd+thesis+powerpoint+presentation+example PDF link annotation

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