Malicious PDF — malware analysis report

Static analysis result for SHA-256 231efb2a987ef463…

MALICIOUS

PDF

37.0 KB Created: 2021-06-07 18:26:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 70d2d9751c64b43839d6b5e3ab98b2e5 SHA-1: 48d6426df8d34afbb475b003512b065250d09a35 SHA-256: 231efb2a987ef46334beba6850c5f7f0a22afe75949bb7e499e062f53f24ae52
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file uses an image-based lure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8984

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 36 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://pistant.ru/uplcv?utm_term=genie+model+gict390+battery+replacement PDF link annotation
    • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/8434ba4701949a54c04670a51d7f00ee/19009303676.pdfIn PDF document text
    • http://imailbox.nl/images/uploadedimages/file/85575083163.pdfIn PDF document text
    • https://emilline.dk/ckfinder/userfiles/files/luwafuxegavef.pdfIn PDF document text
    • http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/aiq7ud1rkd2sea65ldrcrc59uh/timivonisatanelus.pdfIn PDF document text
    • https://amagi.la/wp-content/pIn PDF document text

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