Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad7e016385ad7a45…

MALICIOUS

PDF

47.7 KB Created: 2021-09-12 08:04:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-26
MD5: c91cd1e6f9d5aa3aa9dc57d434cd84af SHA-1: 57381cd3e0c0a25db0278e8bf6c250da1390d1a6 SHA-256: ad7e016385ad7a45b0b0a1da6dbbea33a6e5bf85ded5521800bbe36072ff81ec
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a signature indicating phishing and trojan activity. It contains embedded URLs, one of which is confirmed benign, but others point to potentially malicious PDF files. The document body is heavily obfuscated, but the presence of external URIs suggests an attempt to redirect the user to malicious content, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4435

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://ozhelalikram.de/resimler/files/80506225584.pdf In PDF document text
    • https://www.igescanada.com/ckfinder/userfiles/files/bepifavuw.pdfIn PDF document text
    • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/ocu86b643l7r855gsvpr6d5vnh/dexagepedine.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=problems+with+google+calendar+sync+androidPDF link annotation