MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable domains, suggesting it functions as a link farm for phishing or malware distribution. The embedded content, though heavily obfuscated, likely serves to disguise the true nature of these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://dafemum.ru/strik?utm_term=vism+by+ncstar+vtaruvb+upper+receiver+vise+block+for+ar-15 PDF link annotation
- https://static.s123-cdn-static.com/uploads/4481665/normal_5ff396ca5ada5.pdfIn PDF document text
- http://alexsaf.ru/drawing_software_for_windows_10_freelzt74.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452593/normal_603526294b652.pdfIn PDF document text
- https://cdn.sqhk.co/doxanusubomo/pzjgjje/fodavaz.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4501503/normal_5ff4bd6ec66ef.pdfIn PDF document text
- http://contarinihome.com/vewukibofaviwilojunubote34lkp.pdfIn PDF document text
- http://trening-ekaterinodar.ru/legepenafojinawulirotijimxdiv.pdfIn PDF document text
- https://cdn.sqhk.co/tawavumazo/jhjjj44/monster_truck_destruction_pc_game.pdfIn PDF document text
- https://cdn.sqhk.co/gefimiwotux/ALC5hcO/tewipafo.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://ee60c613-3dd1-430d-b711-08e3dcbf0273.filesusr.com/ugd/19ce5d_b6e06548d11a4ce8b4a43feb383b0d40.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/bd94f0ee-3b98-4420-b781-b11264053031/reznor_unit_heater_parts_canada.pdfIn PDF document text
- https://f4b9ed98-44c1-44e6-9966-d9817cd43de7.filesusr.com/ugd/9ced5d_f9288f0f2a9c42dc85ca4160e794a694.pdf?index=trueIn PDF document text
- https://a6132035-7465-4fe4-be4e-2faa96c22dab.filesusr.com/ugd/cf950b_8b9040af77564f74b694c037797a77d3.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7d0aadb2-66df-4542-aa08-95dec4c390da/40617264703.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/19673811-f8df-42d6-b9c0-f27e31698d80/1782729757.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/08d70a9b-c0bf-4daa-ba12-e171fb38d1a2/bogudovekud.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/29634032-72dd-441c-ba96-5fd2aae5c865/85418661416.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d540.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD540 | 5584 bytes |
SHA-256: bf98187359ef42b99b4a4a832b2c936603ade0dd5c91d9d381959d7dd62256cf |
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font_01_sfnt_off0000e834.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE834 | 9824 bytes |
SHA-256: 5fe9e5db301738fa4c05ea4e595ce82c5c986a00b10a04d530f2089463d8056d |
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font_02_sfnt_off000109cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109CD | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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