MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains numerous embedded URLs, many of which point to disposable domains and are structured as link farms. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to create a large number of links on low-reputation hosting. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution by directing users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 5
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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 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://coretry.ru/uplcv?utm_term=best+android+app+not+on+play+store PDF link annotation
- https://begili.com/uploads/image/files/wupuzev.pdfIn PDF document text
- http://ketoanaca.com/uploads/image/files/fogiwojilitasol.pdfIn PDF document text
- http://propertiesforrent.com/userfiles/file///babaverefit.pdfIn PDF document text
- http://expertworker.paraleumarian.ro/app/webroot/files/userfiles/files/14480686886.pdfIn PDF document text
- http://massintech.ru/img/outer/files/5753776641.pdfIn PDF document text
- https://malashealthcare.com/userfiles/files/zipijogi.pdfIn PDF document text
- https://fibra-optica.ro/ckfinder/userfiles/files/misikeromeritoru.pdfIn PDF document text
- https://cribpointonline.org/cribpointonline/userimages/file/viwapij.pdfIn PDF document text
- http://dedanskecasinoer.dk/userfiles/file/poxelofobusabi.pdfIn PDF document text
- https://mk-sito.it/uploads/file/90955126846.pdfIn PDF document text
- http://toroisg.com/public/images/files/marala.pdfIn PDF document text
- http://casms.org/atts/news-files/file/suxepazozolax.pdfIn PDF document text
- http://movesearchesuk.com/userfiles/file/84855861260.pdfIn PDF document text
- http://24x7taazasamachar.com/assets/ckfinder/core/connector/php/uploads/files/73977233811.pdfIn PDF document text
- http://sherwoodonionfestival.com/ckfinder/userfiles/files/witugeladedarofesuxeka.pdfIn PDF document text
- http://qianshunqs.com/admin/upload/kowurinadime.pdfIn PDF document text
- http://shukokai-voves.fr/userfiles/file/metemanomikusenizuge.pdfIn PDF document text
- https://euronuts2009.ge/files/files/migemuwazaked.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/e02f0d327d7ab5fbdf059ca25d92db80/7270953889.pdfIn PDF document text
- https://clubforeducation.com/FCKeditor/userfiles/file/28309818384.pdfIn PDF document text
- http://makinsushi.com/uploads/files/jidigofigipowax.pdfIn PDF document text
- https://liho.cz/UserFiles/File/87908458458.pdfIn PDF document text
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc19a6bf7f---binuretipavosuzitobomelun.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_off0000d908.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD908 | 18304 bytes |
SHA-256: e84dda01ad1d36dfd17e81025835c761815909953660907cb1a69d1b6e220c1b |
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font_01_sfnt_off00010907.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10907 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001211e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1211E | 10552 bytes |
SHA-256: d891dab47f7dd88b9043fc16feb4160776c63db64a2d7231a0161d31c4406f26 |
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