Malicious PDF — malware analysis report

Static analysis result for SHA-256 10632f117bb11ba5…

MALICIOUS

PDF

35.9 KB Created: 2021-07-02 19:01:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-11
MD5: 1e0c6aa72486550fdb35414cbe9e032e SHA-1: 5d15e72d10411e32c38faa5d83cc7026738c587c SHA-256: 10632f117bb11ba5fbc5953b2f94008a4f5e8be653291e4781c07ecb9c308626
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF that employs an image-only lure, a common tactic for phishing or malware distribution. It contains an embedded URI that points to a potentially malicious URL, and ClamAV detection confirms its malicious nature. The PDF structure and heuristic firings suggest it's designed to trick users into clicking through to an external resource.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7689

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://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/7b33dd8aa4380e098282c4ce7f1b8e38/91919846233.pdf In PDF document text
    • https://www.cir.cloud/wIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=getting+to+yes+pdf+full+book+free+downloadPDF link annotation

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