MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF file identified as malicious by multiple heuristics and an ML classifier. It functions as a link farm, containing numerous external links, with a primary malicious URL being https://pelibifir.ru/strik?utm_term=mr.+coffee+iced+tea+maker+3+quart. The presence of a link farm on disposable hosting suggests an attempt to distribute malicious content or phish users. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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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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://pelibifir.ru/strik?utm_term=mr.+coffee+iced+tea+maker+3+quart PDF link annotation
- http://igclienteam.com/121473852120zdrr.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490265/normal_603097457168e.pdfIn PDF document text
- https://cdn.sqhk.co/lasukojizix/hbGmoYR/fiwasawogenumalupelito.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4388608/normal_60031ec544b75.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4460966/normal_60069db9108b9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414342/normal_5fda2a947456f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379032/normal_5fdc6c19bdd7f.pdfIn PDF document text
- http://prognoz-football.club/65450374785588as.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415937/normal_5fe759c846851.pdfIn PDF document text
- http://moymagazin.xyz/medekoverogerilizufavua3eaz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451755/normal_6019985a7f263.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427085/normal_600aace6887e0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390641/normal_60609803ed80b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462075/normal_605f6bb1a47e6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413865/normal_5fd2de9b6fba2.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4384650/normal_5fe39e2458f56.pdfIn PDF document text
- https://cdn.sqhk.co/tokarikadez/fzVihhf/castle_crashers_2_unblocked.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://32cf4326-ba62-484c-a3ca-05d02c2dd2e5.filesusr.com/ugd/0b46e6_d8f4b9e15be842ebb761a154739d5c8c.pdf?index=trueIn PDF document text
- https://37523d11-79cf-4eb3-ada4-f05de57c71ee.filesusr.com/ugd/275374_7a574cb0d9894cd1b23d00913953a9c9.pdf?index=trueIn PDF document text
- https://86cafecd-0af7-43e6-b578-14605c742a6c.filesusr.com/ugd/c4ddd0_4b0501352077475db14ba24b3bd9023b.pdf?index=trueIn PDF document text
- https://53574e97-2f73-44d5-b1dd-a05639022729.filesusr.com/ugd/6c313a_64176b5838ee451fa2ab51875c23bce7.pdf?index=trueIn PDF document text
- https://6c8027e1-9878-41b3-a9ef-32ba2b6bcd02.filesusr.com/ugd/185811_f6c9fd2efaef455aadb7756229c017e7.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_off00011f92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F92 | 5348 bytes |
SHA-256: 3fae5008331d823d65c9ea1e7a61e99e4497182a45953b701bd182decf68622f |
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font_01_sfnt_off000131c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131C5 | 11420 bytes |
SHA-256: 03aa4bfefba220f96dd0cd4406be0549e7d462ce1bc86b5accdfcbeb20c70e11 |
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