MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, indicating it functions as a link farm. Several heuristics, including 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM', confirm this behavior. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to direct users to phishing or malware-hosting sites. No scripts were extracted, but the primary attack pattern involves redirecting users via embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://druttle.ru/award?keyword=hp+2530+48g+poe+switch+j9772a+pdf PDF link annotation
- https://cdn.sqhk.co/widiroje/euFjfK2/sededunomuxugogeboju.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481839/normal_6026a1c02fb63.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369304/normal_60186d9766590.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390068/normal_603d32621fe0d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379377/normal_60628f92b940c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4409998/normal_5fff29de5d5ce.pdfIn PDF document text
- https://cdn.sqhk.co/rotuzuwibi/Ficgi7O/vuzenerisukig.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/a86bc7c4-dfe8-4d58-8237-984b82a982dc/runavevij.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/55ba4c16-c3d5-415b-ae3f-4b2dc012f1fe/nubufumamolupisilog.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/14ad509d-98ea-410d-ab09-48c8a9a4b170/guided_reading_and_study_workbook_chapter_2_the_chemistry_of_life_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/79b1e7e7-768e-4ce0-96bb-9fe8e450952e/37731031120.pdfIn PDF document text
- https://s3.amazonaws.com/kotenu/grade_9_math_textbook_ontario.pdfIn PDF document text
- https://dfabac9c-3a78-4d86-b112-ccf1750024e9.filesusr.com/ugd/b46e2f_7d845d225442496ab025e045714f9c40.pdf?index=trueIn PDF document text
- https://2aa89031-56ac-4de1-b828-aabe99840ec8.filesusr.com/ugd/cf14a4_6e7c270e464c4849b631378109bae9f1.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zolerazowubow/ultimate_combat_tk_dodge.pdfIn PDF document text
- https://s3.amazonaws.com/bipepezuwed/logic_grid_puzzles_answer_key.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/01a2e9ee-9917-4527-b560-d02776f3b834/dawavipusifelir.pdfIn PDF document text
- https://s3.amazonaws.com/risisipajole/what_does_down_a_rabbit_hole_mean.pdfIn PDF document text
- https://e29a9437-b0a5-48a6-9afa-908397ce514a.filesusr.com/ugd/16a9c1_0d3c35168345446da4b521aa28e8a007.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ef34f468-e1c4-4b2c-a81b-2d6cc45ac783/good_writing_prompts_for_6th_graders.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fb75e4dd-7030-498e-b21e-0fbf81cbb94b/xavizinoj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/81163fad-b14a-4720-8cb7-f3f7176f28fd/vinamogotemoje.pdfIn PDF document text
- https://ac734925-007a-49fa-9a6b-2340142042ec.filesusr.com/ugd/ea78e0_c58c635c7c4146678cf7177483eb4ade.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/301800fb-61d6-4081-a477-bdbb6fafbd0c/rmv_drivers_permit_application.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_off000136bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136BF | 6500 bytes |
SHA-256: eb49a7f9c428c82b181359e29ac100ff8e15c0a39a95ecd4c4d2095f32317376 |
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font_01_sfnt_off00014d03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D03 | 12396 bytes |
SHA-256: 1b45f8c424bf876615f1068d7f2530f89ce476dd849d11150290740aaa656bdd |
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