Malicious PDF — malware analysis report

Static analysis result for SHA-256 dcf517b8b9223d82…

MALICIOUS

PDF

80.0 KB Created: 2021-06-17 14:41:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 77ac684f028fe050aafa65797aed786a SHA-1: f4bb76134d0532ea8c4b9fdca60176a995501050 SHA-256: dcf517b8b9223d828c8c8c209b1fa19819eb357966f97a7423c2bf661e62b069
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected as a phishing trojan by ClamAV. It contains multiple embedded URLs, one of which is a feedproxy URL that appears to be a lure. The PDF document body is heavily obfuscated and contains what appears to be JavaScript, likely intended to redirect the user to one of the listed malicious URLs.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.2637

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 http://szkolka-wiercioch.pl/files/file/86220589488.pdf In PDF document text
    • http://debden.org/userfiles/file/44060236141.pdfIn PDF document text
    • http://stellamaris.cz/userfiles/zunobisawegosij.pdfIn PDF document text
    • https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/be667a9a5dc17f9745d054d99cc1aacd/44557726114.pdfIn PDF document text
    • http://davidlbrooks.com/clients/868292/File/sajijevapolarowomepo.pdfIn PDF document text
    • https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b505155555---19389815159.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=clone+hero+custom+songsPDF link annotation

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