Malicious PDF — malware analysis report

Static analysis result for SHA-256 19215ff0cfb7cb22…

MALICIOUS

PDF

69.6 KB Created: 2021-04-05 09:10:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 968cd5082c5376a2ab04e80ab32f8676 SHA-1: 3693bc76ff577d288e090a8ecc45233e214b9b2d SHA-256: 19215ff0cfb7cb22f5fb5cc6a50d2dcd564c871e9a671a6f5eb0df96b5304912
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The embedded URL, https://yafferge.ru/aws?utm_term=this+blessed+house+jhumpa+lahiri+pdf, is known to be associated with malicious activity. Although no scripts were extracted, the presence of a malicious URL strongly suggests an attempt to lure the user to a compromised site, likely for phishing or to download further malicious content.

Machine Learning

  • Nyx PDF Classifier clean score 0.1727

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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://yafferge.ru/aws?utm_term=this+blessed+house+jhumpa+lahiri+pdf In PDF document text

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