Malicious PDF — malware analysis report

Static analysis result for SHA-256 f9adfcea84029dac…

MALICIOUS

PDF

50.3 KB Created: 2021-09-16 05:58:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-24
MD5: ac1b7f5f702a2085d5879fb6106720a9 SHA-1: fce70f0b65146cdc29c1c71904c1778f9d85e1fb SHA-256: f9adfcea84029dacec096deaa893809552b67c9598da6fd3eb3ccd7689c08b3a
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF document that contains multiple embedded URLs, several of which are flagged as unknown reputation. ClamAV detected this file as Pdf.Phishing.Trojan, and a machine learning classifier also flagged it as malicious. The presence of these indicators suggests the document is designed to trick users into downloading further malicious content, likely phishing for credentials or delivering malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5106

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://net-work.cz/data/file/49230781654.pdf In PDF document text
    • https://corpusbg.com/files/fck/file/38283077748.pdfIn PDF document text
    • https://rainbowfurnitures.com/files/files/18856049394.pdfIn PDF document text
    • https://silky.ae/images/bulk_images/files/zakevejedenivigima.pdfIn PDF document text
    • http://pobierzplik.pl/uploads/files/98227419384.pdfIn PDF document text
    • http://cocoal.com/uploads/file/nepubason.pdfIn PDF document text
    • http://liubeauty.com/luutru/files/46734116886.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=screen+grab+on+androidPDF link annotation

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