Malicious PDF — malware analysis report

Static analysis result for SHA-256 5899145c6a0fff06…

MALICIOUS

PDF

47.6 KB Created: 2021-09-17 19:46:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-02
MD5: c18cd5ba8af38d9a7871a357bfdbc392 SHA-1: 9889e87388b047052e7790afe65c41bcc35bbb2c SHA-256: 5899145c6a0fff062798825751390e02e624d89cbd66746017601850849abf97
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, suggesting it is designed to redirect users to a potentially harmful website. The PDF structure and embedded URLs are consistent with phishing or malware delivery attempts.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5214

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://chcial.ru/uplcv?utm_term=antutu+benchmark+ios+vs+android PDF link annotation
    • https://attackworkoutprogram.com/app/webroot/files/ckfinder/userfiles/files/1490338713.pdfIn PDF document text
    • https://terracell.pt/images/file/631346909In PDF document text

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