MALICIOUS
66
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many pointing to disposable domains, suggesting a link farm designed to redirect users to malicious content. The ML classifier strongly indicated maliciousness, and the PDF structure itself is flagged for containing a high number of links on disposable hosting. No scripts were extracted, but the primary attack pattern involves luring users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9939
Heuristics 4
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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://studioconcept-stand.com/fck_userfiles/file/lekakubedivezazumovore.pdf In PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136d2d794a6d---fuwonewaxixine.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/ig0c1u1tkflu639m71nd2fgn6s/45957097344.pdfIn PDF document text
- https://franchiseinnovations.org/broker-site/files/files/48885620887.pdfIn PDF document text
- http://apsara.ru/userfiles/file/fomaxudibopenilok.pdfIn PDF document text
- https://rougezenekar.hu/files/file/xubut.pdfIn PDF document text
- http://studio5r.com/userfiles/files/dezofabanalejukiniwof.pdfIn PDF document text
- https://herfection.herfection.tw/upload/ckfinder_temp/files/20210907011128.pdfIn PDF document text
- https://eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/lulaneneziruwi.pdfIn PDF document text
- https://estudiowebcolombia.com/ckfinder/userfiles/files/milolovowirofan.pdfIn PDF document text
- https://flomogroup.com/upload/files/bogafiwufizuzabujenef.pdfIn PDF document text
- http://webbyshoe.com/fckeditor/userfiles/file/sakodo.pdfIn PDF document text
- https://uroci-kursove.com/userfiles/file/41950882031.pdfIn PDF document text
- http://safetyassessmentsolutions.co.uk/ckfinder/userfiles/files/xabezoresutiporakekoviwaf.pdfIn PDF document text
- https://biomisszio.hu/tmp/fifof.pdfIn PDF document text
- http://domgr11.ru/uploads/files/68651009516.pdfIn PDF document text
- http://savoie-outils-coupants.com/ckfinder/userfiles/files/petuxami.pdfIn PDF document text
- http://erbamedica.org/userfiles/files/89133459635.pdfIn PDF document text
- http://apart1day.ru/file/xozurapi.pdfIn PDF document text
- http://motopujcovnateplice.cz/userfiles/file/fiwal.pdfIn PDF document text
- http://lev-steklo.ru/userfiles/file/vozunupategez.pdfIn PDF document text
- https://pensiuneaselina.ro/userfiles/file/rorejebirab.pdfIn PDF document text
- http://pusheng168.com/uploadfiles/20210903142352.pdfIn PDF document text
- http://banquat.com/userfiles/files/33206438340.pdfIn PDF document text
- http://apartamentykunickiego.pl/architekci/public/upload/ckfinder/userfiles/files/29820118166.pdfIn PDF document text
- http://maymaygiaydachidang.com/upload/files/6564282321.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=westlife+i+wanna+grow+old+with+you+lyricsPDF link annotation
- 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_off0000bd19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD19 | 16448 bytes |
SHA-256: 4c4b364634e08c4debb440003250e669f79ad87d7fa2ffe7b80edbed42341f42 |
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font_01_sfnt_off0000e793.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE793 | 11048 bytes |
SHA-256: 8ad614a2f222a3107f902c0e3d5db477ac1a3ffa40e507489afdc92ef7bdd3b5 |
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font_02_sfnt_off0001011d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1011D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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