Malicious PDF — malware analysis report

Static analysis result for SHA-256 d379fdba73fa2fca…

MALICIOUS

PDF

110.5 KB Created: 2021-04-04 21:49:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1f0ca40cdcd3d2ff1385bfd66359f452 SHA-1: 53ba284a88923b00bb9ff0a91951efd0da15e423 SHA-256: d379fdba73fa2fca96768713948e1286323313d4f39a7fa7954486b29abc94b3
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF containing embedded JavaScript and an external URI pointing to a suspicious domain. The ClamAV heuristic indicates this is a phishing-related trojan. The embedded JavaScript likely facilitates the redirection to the malicious URL, which is designed to phish user credentials.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.2818

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://crophysi.ru/award?keyword=southern+railway+station+code+list+pdf+download

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