Malicious PDF — malware analysis report

Static analysis result for SHA-256 8baacf7c1491842a…

MALICIOUS

PDF

35.7 KB Created: 2021-06-30 21:34:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-22
MD5: eda3b60bff8e2d98d380d1e3ffe59db4 SHA-1: 9706b3bd93ff5ae36be7587ef2e732caa9d91c1c SHA-256: 8baacf7c1491842ada1d2b2a191af98d353bf0c7a1eb4cf11a73a942e1739ac8
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 0.7807

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://ketchas.ru/uplcv?utm_term=how+to+play+a+playlist+on+rythm+bot PDF link annotation
    • https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/tbpt4lsfqv3i3kjli27qn2otu7/tezujagis.pdfIn PDF document text

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