Malicious PDF — malware analysis report

Static analysis result for SHA-256 a27737bf60be8f84…

MALICIOUS

PDF

41.5 KB Created: 2021-08-28 04:49:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-29
MD5: b00f6bdceaa4f04d193515ccc0140290 SHA-1: 2b2493398c10e326fb0556b421853af236863562 SHA-256: a27737bf60be8f84ccec44b9cb6710633bdcd7372fa584e8c122b75475e23229
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The ClamAV heuristic identified this PDF as a phishing trojan. The PDF contains embedded URIs that point to external websites, likely for phishing purposes. The presence of these external links suggests an attempt to redirect the user to a malicious site, aligning with a spearphishing attachment attack pattern.

Machine Learning

  • Nyx PDF Classifier clean score 0.2480

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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 https://krisoc.ru/uplcv?utm_term=harry+potter+and+goblet+of+fire+pc+game+download PDF link annotation
    • http://lncxjzxxw.com/upload_fck/file/2021-5-15/20210515231200876575.pdfIn PDF document text
    • http://airfa.it/userfiles/file/movafof.pdfIn PDF document text
    • http://dfwsedan.com/nbloom/fckuploads/file/kesawoguturidikokaseju.pdfIn PDF document text
    • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e7ed6b0fce7---44603383758.pdfIn PDF document text
    • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/55652892efb1eab7169f848ffa9ed7ff/59399729711.pdfIn PDF document text
    • http://auto-rad.pl/userfiles/file/nevojaporivuvuvalakosej.pdfIn PDF document text
    • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8c03b7c8c---resibIn PDF document text

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