MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing campaign. The primary URL, 'https://vilenefex.ru/strik?utm_term=private+practice+cast+season+1+episode+4', is presented in a way that mimics search results, likely to trick users into clicking. ClamAV detection and ML classification further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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=private+practice+cast+season+1+episode+4 PDF link annotation
- http://negurosivaz.iblogger.org/south_movie_2018_love_story_hd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421224/normal_600b34029407d.pdfIn PDF document text
- http://vomamafawib.scienceontheweb.net/xowabadajixo.pdfIn PDF document text
- http://samafutanub.mypressonline.com/civil_engineer_work_experience_certificate_sample.pdfIn PDF document text
- http://pifadopagel.scienceontheweb.net/gosozadudijo.pdfIn PDF document text
- http://medebupima.sportsontheweb.net/is_a_link_between_worlds_a_remake_of_a_link_to_the_past.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383797/normal_602bdcf1bf584.pdfIn PDF document text
- http://bifovasux.22web.org/kunus.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://0404cab7-c021-4537-be79-420bcb2f88cc.filesusr.com/ugd/52c240_25f988ae93864fa798b0179e35c73036.pdf?index=trueIn PDF document text
- http://gojetovumivet.epizy.com/antigen_antibody_interaction_ppt.pdfIn PDF document text
- https://c504e2ef-f928-4e80-b5b1-fc05046f432e.filesusr.com/ugd/247f25_3f741eff9f7d4d24b5f6bf32496315b6.pdf?index=trueIn PDF document text
- http://jegusimiluf.epizy.com/99625456264.pdfIn PDF document text
- https://92fbd7ca-8480-4723-bb2c-19523f9dca15.filesusr.com/ugd/29946e_9b7fcd1062eb40528e2256c3e4277a04.pdf?index=trueIn PDF document text
- https://9eb5ee95-128e-4115-bcd6-d8db8525ce49.filesusr.com/ugd/9904c2_3ec755b670864a0fb15f72ef2642b99b.pdf?index=trueIn PDF document text
- https://a54de82d-0003-4787-801b-d7ee719c780a.filesusr.com/ugd/8d57bd_6f3c51f0b7e942e5b2afd913b0e20514.pdf?index=trueIn PDF document text
- https://ef4b221f-cfb4-47e8-bf1d-3b5092770df7.filesusr.com/ugd/4948da_6258606157bc44c780cedeceb961dae5.pdf?index=trueIn PDF document text
- https://3edbbcf3-b5b1-446e-9630-835d38fa79e0.filesusr.com/ugd/6908d7_f32da6db15ce42d9aa1217fa5589a869.pdf?index=trueIn 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_off0000e290.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE290 | 5236 bytes |
SHA-256: 906b6e509ba0d1f4be72aae05ce80d9a8b3b563d4dec82d9e5ebec16ee6e0522 |
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font_01_sfnt_off0000f480.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF480 | 11260 bytes |
SHA-256: 10f6ed611c61bdd84f2c5c565a0fa4ec134fb5cc853a172b02b8366bbd99d1b4 |
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