MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous external URIs, with a significant number pointing to disposable hosting, suggesting it functions as a link farm. The primary URL, https://vilenefex.ru/strik, is likely used to redirect users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
Heuristics 5
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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 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=learn+html+and+css+online+reddit PDF link annotation
- https://cdn-cms.f-static.net/uploads/4407060/normal_5fd1fbefaf8dd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413975/normal_6038cb01e896e.pdfIn PDF document text
- http://vezukugijisepo.scienceontheweb.net/waluxogebage.pdfIn PDF document text
- http://vifezitenof.getenjoyment.net/carding_tutorial_espaol.pdfIn PDF document text
- https://rofikilidoxomuk.weebly.com/uploads/1/3/4/0/134017179/1143820.pdfIn PDF document text
- https://bezamefiparafu.weebly.com/uploads/1/3/4/6/134665790/gizadiwirawugo_zivot_wupawunozewixo_vebofitefevod.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486363/normal_6069ee82c57c7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4480155/normal_5ffaca30f3eee.pdfIn PDF document text
- http://bewewafip.scienceontheweb.net/the_night_manager_movie_cast.pdfIn PDF document text
- https://bejolikide.weebly.com/uploads/1/3/1/4/131437094/2110178.pdfIn PDF document text
- http://papawugamajube.mygamesonline.org/2020_ags_beers_criteria.pdfIn PDF document text
- https://tolutewegudef.weebly.com/uploads/1/3/4/0/134097468/c9551.pdfIn PDF document text
- http://mibijuzorifif.getenjoyment.net/63706678698.pdfIn PDF document text
- http://mufutekuson.getenjoyment.net/zigezow.pdfIn PDF document text
- http://lomigakorak.getenjoyment.net/gimogikufuxavukumeze.pdfIn PDF document text
- http://jigikujed.scienceontheweb.net/wunujamivagadulemasomiba.pdfIn PDF document text
- https://tosofeguwus.weebly.com/uploads/1/3/4/3/134321705/wozuvafanonom.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408319/normal_601c6f179b703.pdfIn PDF document text
- http://mojadejazisapa.sportsontheweb.net/lord_of_the_flies_piggy_name_meaning.pdfIn PDF document text
- http://tarigutese.mygamesonline.org/snake_encyclopedia_download.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/ef9a95ac-6549-4e3d-97a6-3c7efb89def7/63280029352.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/29802c7d-eda2-4a20-8aac-d9a1bc18c8e4/english_book_store_berlin.pdfIn PDF document text
- http://dolanuvusipegu.myartsonline.com/givokifapewu.pdfIn PDF document text
- http://rinimodosejowuf.myartsonline.com/civil_war_amendments.pdfIn PDF document text
- http://rofuvawitarul.atwebpages.com/possessive_adjectives_worksheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e406b851-f132-4d4c-8a96-ad12c619009b/10869583573.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6f2dcaaf-1cf8-4a7b-9db4-7d878b035630/vuduresenunof.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000100d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100D4 | 4908 bytes |
SHA-256: bc4680e3165741da2bd53881779b8fc6aec207d0e9a2ba507d1b63b6064c9863 |
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font_01_sfnt_off00011140.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11140 | 11084 bytes |
SHA-256: 1009bf13724918a93d8070ed8d5ce3e121f9f3b06c5b2a8d8936372234e32e9c |
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font_02_sfnt_off000136e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136E4 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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