Malicious PDF — malware analysis report

Static analysis result for SHA-256 a0c2e6eeba4a4407…

MALICIOUS

PDF

48.2 KB Created: 2021-09-05 05:13:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-02
MD5: cde6be22a7f7ecf5dac06a8398b1a93c SHA-1: ff0e232fa10f1843fe6195245039013e3fd889d3 SHA-256: a0c2e6eeba4a4407b326cbabe2350919b51f6da4059268cc6e1f28c0be3e0cf3
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF containing embedded JavaScript, which is a common technique for executing malicious code. The ClamAV heuristic identified it as a phishing trojan. The embedded URI points to a suspicious domain, likely serving as a lure for phishing or to download a secondary payload. The document body was unreadable, but the presence of JavaScript and the external URI strongly suggest malicious intent.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4879

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://pixomot.ru/uplcv?utm_term=conductor+vs+insulator+worksheet PDF link annotation
    • http://wernersuarez.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/52515502534.pdfIn PDF document text
    • http://carneiro-sa.pnh.pt/js/ckfinder/userfiles/files/fokuzesagitojimufololamag.pdfIn PDF document text
    • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b00cf81f4c7---81595532044.pdfIn PDF document text
    • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8e8f606bc-In PDF document text

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