Malicious PDF — malware analysis report

Static analysis result for SHA-256 a906a8d252210c53…

MALICIOUS

PDF

53.3 KB Created: 2020-11-09 19:23:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2a1a53c08d2151923ca73ebd584c47c6 SHA-1: aab6721921b825c54846e47174bc6b257cf93708 SHA-256: a906a8d252210c53c575e5dc582735ac93004e3b00d545d10393376a45e8e857
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of external links, many of which are embedded within the document body and appear to be part of a link farm. The primary URL points to a search query related to Omegle, suggesting a phishing or scam attempt. ClamAV detection and ML classification further indicate malicious intent, likely related to phishing or trojan distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6428

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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 https://trafffe.ru/strik?keyword=how+to+get+omegle+to+work+on+mac
    • https://cdn-cms.f-static.net/uploads/4369901/normal_5f8eeb1567c77.pdf
    • https://lemefinafotujux.weebly.com/uploads/1/3/4/6/134606632/35132e4476.pdf
    • https://cdn-cms.f-static.net/uploads/4470532/normal_5fa964e114aed.pdf
    • https://cdn-cms.f-static.net/uploads/4375200/normal_5f9ebdd662d04.pdf
    • https://cdn-cms.f-static.net/uploads/4421960/normal_5f9b289eae3e9.pdf
    • https://cdn-cms.f-static.net/uploads/4373997/normal_5f98881c9d94f.pdf
    • https://cdn-cms.f-static.net/uploads/4450727/normal_5fa6f0b233c34.pdf
    • https://cdn-cms.f-static.net/uploads/4369772/normal_5f90084b7e035.pdf
    • https://cdn-cms.f-static.net/uploads/4392861/normal_5f9cef313e295.pdf
    • https://uploads.strikinglycdn.com/files/58bac7d3-ee33-4a9c-a2d2-5308be50a576/viragatuwuridim.pdf
    • https://uploads.strikinglycdn.com/files/987726ab-c4d2-4d26-bc44-3bfe1333cb27/62315298250.pdf
    • https://uploads.strikinglycdn.com/files/be6445d9-3ff8-4b3f-8ce2-f7286fd681e2/89845934849.pdf
    • https://uploads.strikinglycdn.com/files/b503acbb-9514-4c9e-ae4c-69ac4f212fa4/65317052062.pdf
    • https://uploads.strikinglycdn.com/files/0b7c2e56-e744-40b0-839a-947d1bd00aea/62684479132.pdf
    • https://uploads.strikinglycdn.com/files/2cd95a9e-c7e5-42c9-8210-b181f57304b0/relenod.pdf