MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF that contains numerous embedded URLs, many of which are part of a link farm on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically phishing. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the PDF is designed to redirect users to various external sites, likely for malicious purposes such as credential harvesting or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 5
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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 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://pistant.ru/uplcv?utm_term=sensation+and+perception+bruce+goldstein+pdf PDF link annotation
- http://dvarenda.ru/upload/file/binowizepuva.pdfIn PDF document text
- http://zdrowejaja.com/Upload/file/pilukujuzozofo.pdfIn PDF document text
- http://dbcasagayathottam.org/assets/uploads/cms_images/files/falefebotexuj.pdfIn PDF document text
- http://balletpanov.com/uploads/files/jafafola.pdfIn PDF document text
- http://urduhadith.org/survey/userfiles/files/64086217722.pdfIn PDF document text
- http://archive-2014.humandoc.pl/attachments/file/noluzelem.pdfIn PDF document text
- http://telegid.tv/userfiles/file/ludude.pdfIn PDF document text
- http://ecoaga.com/documentos/file/61067133586.pdfIn PDF document text
- http://studiotecnicopinto.it/userfiles/files/27200773562.pdfIn PDF document text
- https://easresidence.ro/app/webroot/files/userfiles/files/juxawanoniwalu.pdfIn PDF document text
- http://networkinglikepro.com/ckfinder/userfiles/files/rolonobimojove.pdfIn PDF document text
- https://indicaperu.com/userfiles/file/38271631808.pdfIn PDF document text
- http://xn--90aoj0agf7cq.xn--p1ai/uploads/files/sibelewemetuk.pdfIn PDF document text
- https://eltonltd.ru/sites/default/files/uploads/23566783859.pdfIn PDF document text
- https://koltoztetes-szallitas-lomtalanitas.excore.hu/ckfinder/userfiles/files/ruwapemenasimo.pdfIn PDF document text
- http://paraleumarian.ro/app/webroot/files/userfiles/files/30759099633.pdfIn PDF document text
- http://sumosushingrill.com/uploads/files/razezanom.pdfIn PDF document text
- http://stonebreaker.at/76480245322.pdfIn PDF document text
- http://chaitraglaze.com/uploads/zojowixovunafirizukiwu.pdfIn PDF document text
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613b838930d9e---jamuforunovomisofa.pdfIn PDF document text
- https://www.mmgrowersg.com/ckfinder/userfiles/files/89404835024.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16138358c0be04---bifezebafusafonip.pdfIn PDF document text
- http://dymenahealthcare.com/upload/fckeditor/file/zogisakebad.pdfIn PDF document text
- https://9ja-bet.com/userfiles/file/46428273251.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b4e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4E7 | 16328 bytes |
SHA-256: 5288bfdc6ab9c7c1c5266508682b3c87a5ba605a30778a8116d520463ec9524a |
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font_01_sfnt_off0000deca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDECA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f6e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6E1 | 11108 bytes |
SHA-256: d61b0aff35265a789668a94a4076a26c3e3eb2d4f47907296659809158cfdc64 |
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