Malicious PDF — malware analysis report

Static analysis result for SHA-256 1717387ca5a7a9ee…

MALICIOUS

PDF

36.6 KB Created: 2021-06-15 15:24:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 627a05899c567cf8639aa231cd382eb8 SHA-1: 3b8890aaa23c22fdf77e85c7023f42ac68d83ca0 SHA-256: 1717387ca5a7a9ee92d0fc41e51d5c458f14827691e92a8fc20f68604e201c96
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 0.5416

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 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://laborke.ru/uplcv?utm_term=in+box+v4+8.0+icloud+remover+download PDF link annotation
    • http://thaoduocquyhiem.com/userfiles/image/file/50402805165.pdfIn PDF document text
    • https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/2190197eff210fc3c79502772891cfbc/bilidugerudotalexijulav.pdfIn PDF document text
    • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160814ac12a94a---xoxiloz.pdfIn PDF document text
    • https://chicagoportIn PDF document text

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