MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://gimoguvi.ru/strik?utm_term=what+is+the+definition+of+a+nerve+palsy PDF link annotation
- https://static.s123-cdn-static.com/uploads/4405202/normal_5fc6305deff9f.pdfIn PDF document text
- http://midopan.iblogger.org/vapawek.pdfIn PDF document text
- http://dektesheff.xyz/95091832961lal3i.pdfIn PDF document text
- http://stepka2016.xyz/bricks_n_balls_cheetah_mobilef75s5.pdfIn PDF document text
- http://devgame.design/49479909339dit7f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368487/normal_5fcc459caa8c3.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4407996/normal_5ff2fb2ddeec1.pdfIn PDF document text
- http://thecet.xyz/34590944917q3teh.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447497/normal_6024234eb533b.pdfIn PDF document text
- http://profaudit32.ru/how_to_adjust_quartz_clock_movementg6q1z.pdfIn PDF document text
- http://chelobaka.space/bokitisavulikemotezumozaxszeef.pdfIn PDF document text
- http://teksalon.xyz/18856254493lrwyv.pdfIn PDF document text
- http://crysety.xyz/2360100175a6ptm.pdfIn PDF document text
- http://wei-nmvc.com/cisco_ise_2._4_license_ordering_guidefzah8.pdfIn PDF document text
- http://de-bewertung-id-q2e5t23.top/tokubotojiwuposorolbwt3d.pdfIn PDF document text
- http://italia-doc.fun/kufiradalufofui1dgn.pdfIn PDF document text
- http://pokemonrivals.online/romuzibdcx8m.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://229c3593-bb94-4e5d-9b9f-ca3747df48ef.filesusr.com/ugd/145364_b8dec5402daa457bb8eb791fe69f3f30.pdf?index=trueIn PDF document text
- http://weralawubuzeg.epizy.com/laxukugutiwupo.pdfIn PDF document text
- https://ab60d57a-1f92-408f-9079-0b325776b613.filesusr.com/ugd/724fb5_5aa56fdcadff45fcafca42cea7c86a93.pdf?index=trueIn PDF document text
- https://75a697d3-84f0-44cf-bab9-f05e37020c50.filesusr.com/ugd/7c3584_c93a056e12384ed3b194738c391a07b6.pdf?index=trueIn PDF document text
- http://fonobufusig.rf.gd/camera_360_lite_free.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_off0000f58f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF58F | 5304 bytes |
SHA-256: d65e1d4b726f821028682d3a6ad3658a2163e2a864e9e6f3a798acbdb126a974 |
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font_01_sfnt_off000107ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107AB | 10692 bytes |
SHA-256: 4e0a5db8ba1c77b5dbd5e61daa0160af4859b0f555998076351490af0a9761a2 |
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