Malicious PDF — malware analysis report

Static analysis result for SHA-256 67bbeee4b8334b5b…

MALICIOUS

PDF

52.6 KB Created: 2021-07-22 11:16:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-25
MD5: 916b8800b4eb9a739569d2a1f5247122 SHA-1: 9b6b933c47d39493dad48f9da27e0a5ba1d06912 SHA-256: 67bbeee4b8334b5bcf9e4c12d311f29a301bdefc70fc74b17555b95921f6f3cf
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF that contains embedded URLs pointing to potentially malicious domains. ClamAV detected it as Pdf.Phishing.Trojan, and ML classification also flagged it as malicious. The embedded URLs suggest an attempt to redirect the user to phishing or malware hosting sites, likely as part of a spearphishing campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5526

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://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/aprpk9k4q0vsb5fp5r63c27brp/diburamirosobilepimewex.pdf In PDF document text
    • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607db3a778d57---13901877714.pdfIn PDF document text
    • http://osullivanspressurewashing.com/wp-content/plugIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=happy+birthday+message+for+brother+in+lawPDF link annotation

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