Malicious PDF — malware analysis report

Static analysis result for SHA-256 a5cb2c9769b548be…

MALICIOUS

PDF

48.0 KB Created: 2021-09-01 10:46:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-02
MD5: 57cde26f9c4ea8be0e8aa6930bb993f9 SHA-1: 60ad15f3b19d498ae8b5040c9f26d4dacdbfd70a SHA-256: a5cb2c9769b548be6eecdd95e112ee3880c81c9bccf560989003462a96106478
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 pointing to other PDF files, suggesting a chain of redirection or a phishing lure. The document body is heavily obfuscated, but the presence of embedded URLs and the ClamAV detection strongly indicate a malicious intent, likely to deliver a phishing page or download further malicious content.

Machine Learning

  • Nyx PDF Classifier clean score 0.2293

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 http://accessiblevehicleservices.com/userfiles/file/89105685709.pdf In PDF document text
    • https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/95787826b5b1e5aa9b3dd74a0caacf42/13962208784.pdfIn PDF document text
    • http://quaint-house.com/images/blog//file/beguwasidisipuxesedeli.pdfIn PDF document text
    • https://atpl.aero/ckfinder/userfiles/files/8000208502.pdfIn PDF document text
    • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4b64a29bd0---96973627834.pdfIn PDF document text
    • https://kompaspt1.com/contents//files/bevop.pdfIn PDF document text
    • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/c2u4jbrlv0fg78shkpqn7mevdv/muwusoIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=how+many+ounces+is+50+millilitersPDF link annotation

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