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 0.9993
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://leonvi.ru/strik?utm_term=what+is+critical+coronary+artery+stenosis PDF link annotation
- http://copyrightsafetyhelps.com/virajenokevoxukinadfk6x.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369336/normal_5fe9cc4101271.pdfIn PDF document text
- http://bionatur.space/sunazefopaxesenomagidup0zrt.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427519/normal_60240ba5c793e.pdfIn PDF document text
- http://pressit.fun/jewoxiroocrw6.pdfIn PDF document text
- http://appletopshop.ru/kimufatou5x02.pdfIn PDF document text
- http://okrasote.info/davukemovalinojepxcjh.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://9fb0fece-6c2a-4f8b-8ff1-5d9ea67f5ee7.filesusr.com/ugd/f6a907_37a232bd85f4464d89966edb866583f2.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fizaxo/devexpress_reporting_angular.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7ecf3aa9-9750-436a-9bbb-6972114fe9ad/maytag_bravos_dryer_will_not_start.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3eab448f-52ee-4e39-87c9-09c9fd037ead/what_happened_when_war_of_the_worlds_was_first_broadcast.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/befb2be0-c545-41c5-86cf-4881a84277f3/38648027360.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b53bf137-b4ef-4d3f-bbe4-097ed0d68a15/best_baby_and_dog_gates.pdfIn PDF document text
- https://s3.amazonaws.com/tokatefozude/differential_and_integral_calculus_by_feliciano_and_uy_complete_solution_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/83c7eedb-b358-41bf-84dd-3f56c8e0b0a6/xixugok.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6e0ff7e8-56c4-4fc8-a513-9b6ee3f4aa97/island_of_dr_moreau_documentary_netflix.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/348580e5-9e01-47f4-816b-1ceb23184f04/what_is_the_best_breathing_technique_in_ro_slayer.pdfIn PDF document text
- https://6a8c3f3f-5248-4e80-80e0-4bf2c04f72bc.filesusr.com/ugd/8b2c09_399675f796ad417f827c187123337b2a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/fa2e908e-83d8-48bc-b498-a792dcb820ed/most_aggressive_stihl_chain.pdfIn PDF document text
- https://s3.amazonaws.com/lefemijip/voratidodadurisalevitel.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ef74c426-bc2f-46c4-9290-1c8057c40b7d/2013_toyota_highlander_factory_service_manual.pdfIn PDF document text
- https://4bf641bf-117a-4913-931f-55e49063997f.filesusr.com/ugd/5befcb_403ed4f477e94b699bf3cac0d99251a2.pdf?index=trueIn PDF document text
- https://b6f97e74-198a-461d-a312-d71b9712332b.filesusr.com/ugd/a2d007_faf5dde81ee94e57805d1b998c3ce927.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_off0000ebf8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBF8 | 5000 bytes |
SHA-256: b2b338889c7b71473778ded82b057a1dce75955a1469f2145b683619c95dc7c7 |
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font_01_sfnt_off0000fd06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD06 | 10456 bytes |
SHA-256: 68b113773163de8342973b85d4d3b527ea515830b568dd374552c861d7df98ab |
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