MALICIOUS
194
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 and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=california+5th+grade+math+textbook+pdf PDF link annotation
- http://bosemefawixuwov.mypressonline.com/93964952821.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413696/normal_5fdd37c09b1e9.pdfIn PDF document text
- http://vodabutopidaru.getenjoyment.net/vegetarian_diet_plan.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408863/normal_60164a65b1faf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386365/normal_5fdc5216a4fa8.pdfIn PDF document text
- https://wojopegoguw.weebly.com/uploads/1/3/4/6/134690206/gegebejadomokomuner.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386366/normal_601281200a797.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387061/normal_604b4f6901411.pdfIn PDF document text
- http://lorewipa.scienceontheweb.net/other_blood_groups.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4496585/normal_6068c9a4b65ed.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4453551/normal_6001205a631be.pdfIn PDF document text
- https://xufiridib.weebly.com/uploads/1/3/5/3/135346556/f7462575013.pdfIn PDF document text
- http://wumewil.sportsontheweb.net/electrical_engineering_course_outline_knust.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381105/normal_600b1ff4b2e73.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4481397/normal_5ff1bb0f4059e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485826/normal_60516ede4f1e8.pdfIn PDF document text
- http://sitizinudex.getenjoyment.net/gonexinif.pdfIn PDF document text
- http://sevezor.scienceontheweb.net/sevusobugefugupixuguli.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4370744/normal_5feb0bb0eb161.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
- http://marurutefa.atwebpages.com/vacuna_neumococica_conjugada.pdfIn PDF document text
- http://tebuwawezizafes.onlinewebshop.net/chefschoice_trizor_xv_edgeselect_professional_electric_knife_sharpener.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_off0000ee93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE93 | 5484 bytes |
SHA-256: 6014752f729a91e1d2a367984b10233854c3891f957755a6c2c6fa2402207909 |
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font_01_sfnt_off0001010f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1010F | 10804 bytes |
SHA-256: 45b91b84a81df1285a117204c8c5517d69f0f7940da1fb8fe7453b6845a91b08 |
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font_02_sfnt_off000125e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125E2 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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