MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded URLs, with a primary focus on a link to 'pelibifir.ru' which is associated with a lure for downloading media content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is part of a link farm on disposable hosting, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to a phishing site or download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://pelibifir.ru/strik?utm_term=bahubali+mp3+song+download+2018+tamil PDF link annotation
- https://mumerigowijegap.weebly.com/uploads/1/3/4/7/134771458/pasewuwu.pdfIn PDF document text
- https://kekuxepepave.weebly.com/uploads/1/3/0/7/130739312/nigakofi_zebimapaz_zosanufakobas_sibebikeze.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4377377/normal_60064825476d0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408463/normal_6052b45d28766.pdfIn PDF document text
- https://xigujevaw.weebly.com/uploads/1/3/4/7/134701692/zofinexapiware-sufevobomona-dukiwumakewozag.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4498376/normal_601faecfd5423.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417213/normal_5fff94d01f1e5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450870/normal_6019d6cd0d9c2.pdfIn PDF document text
- https://jarajegixam.weebly.com/uploads/1/3/1/4/131437089/b1f8225132a22a3.pdfIn PDF document text
- https://pizazolumugi.weebly.com/uploads/1/3/4/0/134016987/zitajumoludobe.pdfIn PDF document text
- https://dumetokewip.weebly.com/uploads/1/3/4/3/134394823/penexidiv.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4473375/normal_5ff61b7d847b2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413563/normal_603d38f471f21.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/megodipewukitoj/how_to_start_up_my_gas_fireplace.pdfIn PDF document text
- https://s3.amazonaws.com/vezumobigodub/how_to_pair_freightliner_bluetooth.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8ab69858-86aa-42f8-9719-df620471f3d2/the_blade_itself_spoiler_free_review.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9d764312-09c4-433d-9330-dea44f2dd119/mogebobubane.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/53a017af-6d22-476e-a27d-6bf779273ad0/what_does_the_constitution_say_about_a_state_of_emergency.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fc75d976-a6bc-4c32-9fb1-4d39f2a2577d/pokemon_adventures_manga_ruby_and_sapphire.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7cb77399-2552-47df-b22a-540f4d0b51c1/mad_libs_books_target.pdfIn PDF document text
- https://s3.amazonaws.com/ziwuvijevo/juxixidefedamak.pdfIn PDF document text
- https://s3.amazonaws.com/jimugivos/ardor_definicion.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_off00011fa7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FA7 | 6240 bytes |
SHA-256: 464a8bb789693ea045be0b251ab97d26cd0aa35a9dec4ca6453aca8f42c3606d |
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font_01_sfnt_off000134c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134C5 | 11028 bytes |
SHA-256: 9a187f4639b96a28cc9a47d487d79046d415024189cfe85c6e6ed2b9abc80b1e |
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