MALICIOUS
186
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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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://mezovuduw.ru/123?utm_term=last+names+for+book+characters+yahoo+answers PDF link annotation
- https://cdn-cms.f-static.net/uploads/4367268/normal_6049c06075e93.pdfIn PDF document text
- https://cdn.sqhk.co/woledowo/gjgfiaU/cowichan_river_fishing_report_2019.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4470981/normal_5febb13c22d31.pdfIn PDF document text
- https://cdn.sqhk.co/wojipezusax/i8q9746/dupufibiwikanekato.pdfIn PDF document text
- https://cdn.sqhk.co/viwiratoposu/e00Rhhl/25321508299.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4472186/normal_5fdcb27791764.pdfIn PDF document text
- https://cdn.sqhk.co/fefowofuk/iyihXgh/character_design_generator_anime.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368731/normal_5fd915a3d97e1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4499329/normal_603d7c7f943f0.pdfIn PDF document text
- http://jirusulixozome.scienceontheweb.net/xesetirudegimikuwo.pdfIn PDF document text
- https://cdn.sqhk.co/nikajovefer/ghJSjsQ/vimibabafemim.pdfIn PDF document text
- http://podarokinsta.site/what_is_the_punctuated_equilibrium_model_of_group_developmentg4ntd.pdfIn PDF document text
- http://datab.vip/zusatidefejuzimametinistq9p.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://3633ae4e-9acc-45df-885e-1bfa1481cb44.filesusr.com/ugd/e73054_c969d94a0967440da7399b33dc2c1754.pdf?index=trueIn PDF document text
- https://e8dc5420-792a-4861-90db-09cfc8d8a7d1.filesusr.com/ugd/1378f5_4393a84e29894e6fb990d761185bfe14.pdf?index=trueIn PDF document text
- https://8ee4d174-735f-4cd7-9396-c3a65dbcc337.filesusr.com/ugd/5ac313_d8de37ba5c18457e8e5bc657dd3cc0cc.pdf?index=trueIn PDF document text
- https://77701ba7-c5ad-4750-ab17-5b03548f7fc0.filesusr.com/ugd/9a242c_333ba763a9b84da79408f52edb000ce3.pdf?index=trueIn PDF document text
- https://f18b8dc1-3ce9-44bd-8712-01435d039869.filesusr.com/ugd/b97cba_3eae876e1cef467590089b90707ecb9a.pdf?index=trueIn PDF document text
- https://45f91bdd-2b68-4e60-ae2c-b14373ae5332.filesusr.com/ugd/0d089b_4c99e2d589474a2aa862d12c98e13595.pdf?index=trueIn PDF document text
- http://sisufovofow.atwebpages.com/20406636877.pdfIn PDF document text
- https://d5fd0048-bb8d-45a1-ba21-28d1cb0b7162.filesusr.com/ugd/5e8de6_2269aa87c5384fe88ce3e8dce3a5447b.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f5d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5D7 | 5168 bytes |
SHA-256: 08371804dc623178a08574be6bde2e6c38080099338e8faac2c69cc7d04b588e |
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font_01_sfnt_off0001074b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1074B | 11072 bytes |
SHA-256: 781d6612152df576ee8b64fd2ddcfaf2713fd705dab9cf272e7f0f8c9ea58150 |
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font_02_sfnt_off00012d03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D03 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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