Malicious PDF — malware analysis report

Static analysis result for SHA-256 535af5b568b84ae3…

MALICIOUS

PDF

36.7 KB Created: 2021-03-16 11:00:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 853ed02e5f0fb57d145bfd64f63e8953 SHA-1: a2977ba067600e06cf410ea22b62a3291188c15a SHA-256: 535af5b568b84ae3f70269607bc5f2c82f2a2b40405208f62028ffc979551a0d
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 0.6329

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://xezojetit.ru/award?keyword=accountancy+comprehensive+project+for+class+12+cbse+pdf+with+gst PDF link annotation
    • http://vogudikomi.getenjoyment.net/gypsy_woman_aadhi_guitar_chords.pdfIn PDF document text
    • http://jonariz.22web.org/66965195986.pdfIn PDF document text
    • http://tebapewulodafe.getenjoyment.net/87090978428.pdfIn PDF document text
    • https://9cf93ecd-64ee-4ad6-afcc-f350577a7522.filesusr.com/ugd/c4dbd3_91ade84e05914fedbdeba6d6e1324c22.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/jamuluvuvava/vufafopixugubaled.pdfIn PDF document text

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