Malicious PDF — malware analysis report

Static analysis result for SHA-256 a37191d476bf5bb6…

MALICIOUS

PDF

58.6 KB Created: 2020-11-11 18:03:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 256c463c800be42bf86aafb52be7a8ed SHA-1: a5f3f55cdd3a7c9eb063cc5956fc1f26627f7922 SHA-256: a37191d476bf5bb643edf417f8e30e76914a3fe90543092f55c9681cd8cc2b9d
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by multiple heuristics, including a critical ClamAV detection and an ML classifier. The embedded URL points to a domain associated with malicious activity, and the document body, though heavily obfuscated, suggests a lure related to 'Java choose the correct answer questions'. The presence of PDF_URI and EMBEDDED_URL heuristics indicates the document attempts to redirect the user to external content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8355

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 https://trafftec.ru/aws?utm_term=java+choose+the+correct+answer+questions
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