MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm and an embedded URL pointing to 'trafffi.ru', suggesting a phishing or scam campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically identified as a phishing trojan. The document body, though heavily obfuscated, contains text related to a download lure, reinforcing the phishing attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne 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://trafffi.ru/strik?utm_term=lady+popular+fashion+arena+download+for+pc
- https://cdn-cms.f-static.net/uploads/4480886/normal_5fb5001d91da4.pdf
- https://cdn-cms.f-static.net/uploads/4372723/normal_5f9772f57d303.pdf
- https://cdn-cms.f-static.net/uploads/4455660/normal_5fbf414da7aaa.pdf
- https://cdn-cms.f-static.net/uploads/4366637/normal_5f8b5ed2808e1.pdf
- https://cdn-cms.f-static.net/uploads/4373983/normal_5f94af555a357.pdf
- https://zuziraluxir.weebly.com/uploads/1/3/4/8/134899121/7c3fca.pdf
- https://jesemokomu.weebly.com/uploads/1/3/4/6/134687046/86e9642b5b9ff2.pdf
- https://static.s123-cdn-static.com/uploads/4470223/normal_5fc7016c56e2e.pdf
- https://vixagukire.weebly.com/uploads/1/3/4/3/134364056/wumogowal.pdf
- https://cdn-cms.f-static.net/uploads/4382960/normal_5f9244185fd8d.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/4f4c8c77-462c-4b24-b683-710beb92deba/39940673403.pdf
- https://uploads.strikinglycdn.com/files/81925abb-bad8-4fad-8667-f4eb91e002b4/aqui_estoy_hillsong_acordes.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d07f.bin87a15d26b91a71965ff160f5c93f897dc12cd31bb06237c070d443f95b5ada21 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD07F | 5376 bytes |
font_01_sfnt_off0000e2e6.bin131a612bd528415e2ef5ddeb1437a07f2a830e994394a043b9522aea0b5336e2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2E6 | 10580 bytes |
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