Malicious PDF — malware analysis report

Static analysis result for SHA-256 c56b0289d711aba6…

MALICIOUS

PDF

67.0 KB Created: 2021-09-07 13:23:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-22
MD5: 49cf6da7f2c875e359c9a01b7363c250 SHA-1: bdff73dfd0599846026cb51fdf205d4e95069e27 SHA-256: c56b0289d711aba65ac85b960b5781fd3f2f3e1fa342edbe589b9bb7a0accee7
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ML classifiers and ClamAV, indicating a phishing attempt. The embedded URL, though initially flagged as benign, likely serves as a lure to redirect users to malicious PDFs hosted on other domains. The presence of PDF_URI and EMBEDDED_URL heuristics further supports the phishing vector.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7488

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://senhewood.com/d/files/30654692034.pdf In PDF document text
    • http://ehs1958.org/clients/73155/File/49146748125.pdfIn PDF document text
    • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/890d78b3a64f62caa1dcddf0256caf7d/376337In PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=makalah+katarak+pdfPDF link annotation

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