MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to disposable hosting, suggesting a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent. The primary URL, 'https://soxebez.ru/wix?keyword=prep+procedure+for+colonoscopy', appears to be a lure for a medical procedure, likely leading to a phishing or malware download.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://soxebez.ru/wix?keyword=prep+procedure+for+colonoscopy PDF link annotation
- https://static.s123-cdn-static.com/uploads/4407782/normal_6007ec3d25fcb.pdfIn PDF document text
- https://cdn.sqhk.co/pumibavi/6ifjcM3/roxutupej.pdfIn PDF document text
- https://cdn.sqhk.co/finulepaf/ahcigjd/48601985268.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366381/normal_5fc69180f02e4.pdfIn PDF document text
- https://cdn.sqhk.co/zetoreli/bZET0QL/fifa_brazil_world_cup_2014_game.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369524/normal_5fd85bef17160.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410952/normal_6038cfe47e376.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384152/normal_5fe7b8b99f093.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/79c08566-dfca-4ea7-851c-535f5f2bff80/52792867299.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9414b8cf-3674-4c69-bd99-b2d6eb9342be/what_is_the_order_of_the_warrior_books_by_erin_hunter.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5f0e934f-1fbe-4ba8-a2f4-7ab780208649/6281955108.pdfIn PDF document text
- https://78905da9-dd21-4190-abaa-c894c042e703.filesusr.com/ugd/851c7c_38855cd3299247c395d09f8eace9fd73.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/24130420-f156-40aa-bcbb-f47206df8d9d/how_much_does_a_heat_pump_cost_for_a_mobile_home.pdfIn PDF document text
- https://7e005a1c-fb68-43c1-af83-b854b6a2d282.filesusr.com/ugd/dcfb95_12dfd8e216144033b3b50505a095713a.pdf?index=trueIn PDF document text
- https://caa91486-5fcc-43b7-8b2b-5b817ae85bbe.filesusr.com/ugd/26bbcf_cd88b2591c0a4b41bcc99d434273d98f.pdf?index=trueIn PDF document text
- https://734e8db3-b9db-457c-abaa-08c06218e7ae.filesusr.com/ugd/f6bb82_8440bb7257a34e7e91ba75b9ae871be7.pdf?index=trueIn PDF document text
- https://2a403a33-5f6e-4534-96f9-742aa7325afc.filesusr.com/ugd/d2da83_3cb246a8402d4c26a33696fa392b3f4d.pdf?index=trueIn PDF document text
- https://ac614e2c-2e00-43e4-a80f-2c6bce9fb64b.filesusr.com/ugd/f103bb_f01a312943d241e1bde1e2814194acac.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/0caf3921-f589-49bc-b942-bde43dfb8dcf/95831660268.pdfIn PDF document text
- https://a694a867-b0fa-45cd-b082-7f9abf80b1a7.filesusr.com/ugd/430cb2_bf22121822a945f7b7e9a6bcc7e2b87a.pdf?index=trueIn PDF document text
- https://14da0a27-f261-4d4b-8668-3a369f5c966d.filesusr.com/ugd/46429b_3df2774e7ff64534a9db938f42b5ec83.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_off0000f332.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF332 | 5044 bytes |
SHA-256: 4b35a21e330d2c2301b844094f5a9cd31a4cc7d80b4b5ad013721cacfe726557 |
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font_01_sfnt_off00010478.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10478 | 10412 bytes |
SHA-256: 8b1463619ddb56b3db3a9365a69a1ebfd0dd93d6e08a5ace997839191a6381f4 |
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