Malicious PDF — malware analysis report

Static analysis result for SHA-256 92011b705023c923…

MALICIOUS

PDF

58.4 KB Created: 2020-11-10 05:42:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2747bd8cd2c496cb31ed6e1e498784f3 SHA-1: 9e9dfdb58ee10fd64145f51928f1fe5f122336a9 SHA-256: 92011b705023c9237bfb4dd9ef3f55426a0ce0de3a7a7f3bdeb0c7e5dd2ea03b
212 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded links, with one specifically identified as a malicious redirector pointing to 'https://gettraff.ru/strik?keyword=xfinity+channel+guide+sarasota+florida'. The presence of a large number of external PDF links, coupled with a critical ClamAV detection for 'Pdf.Phishing.Trojan-d2568dad23a94d95', strongly indicates a phishing or malware distribution attempt. The ML classifier also flagged this PDF with a high score.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8553

Heuristics 4

  • 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.
  • 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
  • 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://gettraff.ru/strik?keyword=xfinity+channel+guide+sarasota+florida
    • https://cdn-cms.f-static.net/uploads/4369504/normal_5f8b612f124b4.pdf
    • https://cdn-cms.f-static.net/uploads/4366374/normal_5f878566714a8.pdf
    • https://gewupokisata.weebly.com/uploads/1/3/4/6/134606569/3448116.pdf
    • https://damijuvik.weebly.com/uploads/1/3/1/3/131381376/wivorajum-segugosivupor-jojiwakunulubob-ridituva.pdf
    • https://cdn-cms.f-static.net/uploads/4421969/normal_5f9d2bfdedda6.pdf
    • https://cdn-cms.f-static.net/uploads/4366357/normal_5f9e5662adc1e.pdf
    • https://cdn-cms.f-static.net/uploads/4408001/normal_5fa0749e40951.pdf
    • https://uploads.strikinglycdn.com/files/a4a03115-536c-428b-8e7f-5c9e40c2279c/62163765621.pdf
    • https://uploads.strikinglycdn.com/files/a9f372a2-cb1c-4ad6-badf-3c8bebc36bcf/assamite_vampire_masquerade.pdf
    • https://s3.amazonaws.com/fovezewi/diseo_de_bases_de_datos_relacionales_adoracion_de_miguel.pdf
    • https://uploads.strikinglycdn.com/files/fcf90f3d-9c1c-44ee-9a4e-6e55d6af4163/5638587108.pdf
    • https://uploads.strikinglycdn.com/files/4ee240dc-8623-41f9-a726-5c3e7463ccc9/dakogamigolomumobufut.pdf
    • https://s3.amazonaws.com/dixaleko/femokitit.pdf

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