Malicious PDF — malware analysis report

Static analysis result for SHA-256 9be4843f8509d8ed…

MALICIOUS

PDF

35.9 KB Created: 2021-06-07 04:35:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02
MD5: bec0fe821c4bc033b04bc8a702bf462e SHA-1: 63363b6dc19640e4e6ddccae391dcdf3b55cdc17 SHA-256: 9be4843f8509d8ed0431585ab122bce0b95dd8a5f644cae69e2fa4cafa008bee
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 0.7036

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://wastran.ru/uplcv?utm_term=collected+works+of+kahlil+gibran+book+pdf+free+download PDF link annotation
    • http://www.dramayaramendes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607811a7af81b---wuvutolosinadobubofe.pdfIn PDF document text
    • https://cvsc.co/userfiles/file/36609673579.pdfIn PDF document text

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