Malicious PDF — malware analysis report

Static analysis result for SHA-256 49102515d9893aaa…

MALICIOUS

PDF

71.5 KB Created: 2020-12-27 01:49:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-31
MD5: c981ed3a72b4f36aaa9de36b02a309d2 SHA-1: 33bce215f36f4f025b7079e9a865d42f3b30f6b9 SHA-256: 49102515d9893aaa3766dda37d65e81511e90fde7e7ac2985de830a9ca7a4bef
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The ML classifier also flagged the PDF with high confidence. The embedded URL 'https://traffine.ru/strik?utm_term=dungeons+and+dragons+diamonds' is the primary indicator of malicious intent, likely serving as a lure to a phishing site or a download host for further payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9389

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://traffine.ru/strik?utm_term=dungeons+and+dragons+diamonds In PDF document text
    • https://cdn-cms.f-static.net/uploads/4426571/normal_5f9d17b83b6cc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379736/normal_5f8b5b0dae7d2.pdfIn PDF document text
    • https://cdn.sqhk.co/sorifalemuj/rhagnDx/sisters_tv_show_1991_streaming.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375890/normal_5f8c690647d38.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373998/normal_5f9a43ee33618.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4485702/normal_5fcd08a36944b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4484365/normal_5fd6469e9459c.pdfIn PDF document text
    • https://s3.amazonaws.com/fedufiporara/growth_of_indian_stock_market.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5d5785a9-012e-48b2-914c-346c290861c3/923_area_code_united_states.pdfIn PDF document text
    • https://s3.amazonaws.com/kisagoz/mammography_guidelines_american_cancer_society.pdfIn PDF document text
    • https://s3.amazonaws.com/muvojugejoxip/westminster_chime_mantel_clock_manual.pdfIn PDF document text

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