Malicious PDF — malware analysis report

Static analysis result for SHA-256 a23bbed884f493a6…

MALICIOUS

PDF

35.9 KB Created: 2021-03-10 16:52:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-21
MD5: 1e3d40e07b9bdf70da68a46100fcb476 SHA-1: 8d9c1e27a2fafe0dc39c97e76effeb36b7df25fb SHA-256: a23bbed884f493a665b4d8a6b7b7800eeb8bc89117a8e983d9f498286d30d4a6
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF is identified as a phishing lure due to its image-only nature and a single clickable action. The embedded URL, https://fokemale.ru/award?keyword=html+attributes+cheat+sheet+pdf, is the primary indicator of malicious intent, likely directing users to a phishing page or a download. ClamAV also detected this file as a phishing trojan.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6347

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
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 35 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://fokemale.ru/award?keyword=html+attributes+cheat+sheet+pdf PDF link annotation
    • https://papukelub.weebly.com/uploads/1/3/4/6/134666119/lorepuv.pdfIn PDF document text
    • http://pizeval.iblogger.org/89963473875.pdfIn PDF document text
    • https://lepoboniw.weebly.com/uploads/1/3/0/9/130969744/lubaguzam_tidezasagok.pdfIn PDF document text

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