Malicious PDF — malware analysis report

Static analysis result for SHA-256 ccfa30dbda5ef38e…

MALICIOUS

PDF

192.0 KB Created: 2021-08-15 17:00:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-12
MD5: 342157379d2d93d6f534d8f6ec727314 SHA-1: 97115770748f1ccb9372202eb6822ecbff2a7850 SHA-256: ccfa30dbda5ef38e1a42e13611da5bdb0fe36d7576bf522b2bc9bcbc5e1e7221
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains embedded URLs pointing to other PDF files, suggesting a multi-stage attack. The document body, though truncated, indicates a lure related to a 'construction claim rejection letter', which is a common social engineering tactic to entice users to open malicious attachments.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8872

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://ubranni.com/uploader/files/momexojexusetijiwixutura.pdf In PDF document text
    • https://autosaloncenter.com/uploads/files/81134639909.pdfIn PDF document text
    • http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/duvubolakeziropetuvigiwuk.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=construction+claim+rejection+letter+samplePDF link annotation

Open this report in the interactive analyzer, or submit your own file for analysis.