Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb365388d16b75e2…

MALICIOUS

PDF

36.6 KB Created: 2021-06-23 14:33:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02
MD5: cc6ff1f28a7733e934e3fbe91c85fffc SHA-1: 836294b06c7e15f84626877af558e16741c9f2e5 SHA-256: fb365388d16b75e242c637845f76ace5c04fbb9c5875724b2dfddc266d9737e6
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 0.6106

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 https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160aba8c7ded71---kerimokaze.pdf In PDF document text
    • http://immobilieninvestors.eu/userfiles/file/4753390049.pdfIn PDF document text
    • http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075883aaeb07---movetopife.pdfIn PDF document text
    • https://balajitutorial.com/admin/userfiles/file/bekazunuleduzubagadam.pdfIn PDF document text
    • http://mattstergamer.cIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=cute+baby+boy+dpPDF link annotation

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