MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many of which point to disposable hosting and are designed to appear as SEO-optimized content. The primary URL, 'https://vilenefex.ru/strik?utm_term=classic+human+anatomy+in+motion+pdf+free+download', suggests a lure for a document download. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://vilenefex.ru/strik?utm_term=classic+human+anatomy+in+motion+pdf+free+download PDF link annotation
- http://xinumazujo.iblogger.org/astronomy_worksheets_high_school.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425483/normal_6041987444427.pdfIn PDF document text
- http://wewixonup.iblogger.org/gumivusamoluxekakitaxota.pdfIn PDF document text
- http://borezopesane.22web.org/calendario_2019_con_semanas_mexico.pdfIn PDF document text
- https://xafadefuvabajil.weebly.com/uploads/1/3/0/7/130776308/jozated.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373248/normal_603c6d33477e5.pdfIn PDF document text
- https://nubapatis.weebly.com/uploads/1/3/4/0/134095887/9746768.pdfIn PDF document text
- https://xafusotegemuwif.weebly.com/uploads/1/3/5/3/135304795/gonuriladun_gujufawepojoji.pdfIn PDF document text
- http://surevixa.22web.org/case_study_questions_and_answers_in_marketing.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://c1d61d78-9bae-425c-b347-ee91470fe4f1.filesusr.com/ugd/60933b_27a9ebf758a04dffa18d715a6d1af3a9.pdf?index=trueIn PDF document text
- https://e4034479-4ead-418b-af8c-5be8dc72bdbe.filesusr.com/ugd/1e8759_24604acb55e24495ab0d7d3fbe3dcee8.pdf?index=trueIn PDF document text
- http://gizexagivet.rf.gd/xebifutu.pdfIn PDF document text
- https://9a60fab3-6fb0-4be7-9305-b2e3cc44d963.filesusr.com/ugd/811c4f_427c5bf10fb54086be2e1a3bdea2bfd8.pdf?index=trueIn PDF document text
- http://wudobepazu.rf.gd/57218533615.pdfIn PDF document text
- http://madulok.epizy.com/xugebelafira.pdfIn PDF document text
- http://kuwixogup.rf.gd/36564978143.pdfIn PDF document text
- http://rakikazava.rf.gd/63796300521.pdfIn PDF document text
- https://eee7329a-c4d5-4508-a8fd-a8ba515f7d9f.filesusr.com/ugd/5ed802_8cf7f26ea1c44fb5a188d3be41e9ccd2.pdf?index=trueIn PDF document text
- http://vekoxoke.epizy.com/norewigofukomafelu.pdfIn PDF document text
- https://e691ad07-92dc-45fa-af10-8929b4045ede.filesusr.com/ugd/87b9a8_db913c5e9dcf4a50bcf799a20d46e3e8.pdf?index=trueIn PDF document text
- http://nopizapokife.epizy.com/online_chess_game_apk.pdfIn PDF document text
- http://liwubujuwu.epizy.com/40923704793.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA82 | 5492 bytes |
SHA-256: eca6618bc5b3974651637cf4cd4c3b36bb5602937f3bcb0fe575fd4418c4ab88 |
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font_01_sfnt_off0000fd18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD18 | 11120 bytes |
SHA-256: 7158212538b60eeb7baebf72d2665bc04e747fc28b39b34e66eee13a4fdd8095 |
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