Malicious PDF — malware analysis report

Static analysis result for SHA-256 c8d5013f51d19350…

MALICIOUS

PDF

36.6 KB Created: 2021-06-28 03:21:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-24
MD5: 2ed74e617eac21868560ca9b2c1967ac SHA-1: 332e9bebc20350619ee66b6fd4f03f3272784062 SHA-256: c8d5013f51d19350f602567a38395d134f24d7b4c3c96da75b3e4f4a01c9a88b
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 0.7134

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 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 http://biotop-zamosc.pl/userfiles/file/18306791359.pdf In PDF document text
    • https://baxsporthorses.nl/userfiles/file/86908567657.pdfIn PDF document text
    • https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3c3e68830---xonugelomamaguvekapin.pdfIn PDF document text
    • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/97f86ab54a2661b2b359616145794e73/52015908668.pdfIn PDF document text
    • https://hotelindigha.com/FCKeditor/file/94499288762.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=write+a+paragraph+on+my+hobbyPDF link annotation

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