Malicious PDF — malware analysis report

Static analysis result for SHA-256 f9c6e4f775217b29…

MALICIOUS

PDF

83.6 KB Created: 2021-01-11 07:41:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 67cad792d55a8a0593403436406c2e27 SHA-1: cd2ca652352730d5648db2f908b0470658ac4e09 SHA-256: f9c6e4f775217b29f4ae9bcedb8c07c45cebaeb4473b703b4c8335228f09df3d
152 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://cctraff.ru/aws?utm_term=geometry+chapter+2+proofs+worksheet'. This indicates the document's primary purpose is to lure the user to a potentially harmful external site. While no scripts were explicitly extracted, the nature of the redirector suggests a phishing or malware delivery attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9377

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://cctraff.ru/aws?utm_term=geometry+chapter+2+proofs+worksheet In PDF document text
    • https://static.s123-cdn-static.com/uploads/4467571/normal_5fce10aaf120f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4376856/normal_5f8fd02195e14.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379720/normal_5f8ec0f9c33ac.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4407793/normal_5fa16f95bfd83.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4476578/normal_5fe9622d18a9a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4424024/normal_5fada00ad4cdc.pdfIn PDF document text
    • https://s3.amazonaws.com/besafefaf/driver_toolkit_crack_4shared.pdfIn PDF document text
    • https://s3.amazonaws.com/vazisi/96647805489.pdfIn PDF document text
    • https://s3.amazonaws.com/kisimujuk/13600908702.pdfIn PDF document text
    • https://s3.amazonaws.com/xapijifas/sapedegubibinizogi.pdfIn PDF document text
    • https://s3.amazonaws.com/lodazojamuva/wuvelolam.pdfIn PDF document text
    • https://s3.amazonaws.com/godewumazek/lookout_app_download.pdfIn PDF document text
    • https://s3.amazonaws.com/pezofut/2020_lotus_elise_pics.pdfIn PDF document text
    • https://s3.amazonaws.com/fezenur/juviki.pdfIn PDF document text
    • https://s3.amazonaws.com/sabegokek/puribozupukizetolufiw.pdfIn PDF document text

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