Malicious PDF — malware analysis report

Static analysis result for SHA-256 48d1b6e7eb9231e3…

MALICIOUS

PDF

36.3 KB Created: 2021-09-07 09:46:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-04
MD5: b6f9fcabf0b54669b461ed71728015fc SHA-1: 35a519d88658e3faadb6b145b937428b4dea1747 SHA-256: 48d1b6e7eb9231e31e3b43129b59036a8537146cdfcd1f1f889c78b68e3bf337
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 0.7131

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://pixomot.ru/uplcv?utm_term=astronomy+free+pdf+books PDF link annotation
    • http://sgrappresentanze.eu/userfiles/files/81250187797.pdfIn PDF document text
    • http://fotografieindex.nl/images/uploads/23557147058.pdfIn PDF document text
    • https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/kgik87q1q8m9qc6ujarlvtco4g/zaxuzatikujumupafek.pdfIn PDF document text
    • https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/c5031e0abcef11ea7b7957826c6e9d6d/zozedomulara.pdfIn PDF document text

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