MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous embedded URLs, many pointing to disposable hosting, suggests a link farm designed to redirect users to malicious sites. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://garglob.ru/uplcv?utm_term=a+brief+history+of+vice+pdf PDF link annotation
- http://paliukenas.lt/i/File/70899891497.pdfIn PDF document text
- http://magendans.com/imagefiles/file/90680556429.pdfIn PDF document text
- http://mmckno2010.zkosuchdol.info/files/99451096016.pdfIn PDF document text
- https://em.heephong.org/ethnicminorities/cmsadmin/ckfinder/files/80549207494.pdfIn PDF document text
- http://quaretti.it/userfiles/files/livipemoxoboxowa.pdfIn PDF document text
- http://sbkf.org/files/files/tefuwosab.pdfIn PDF document text
- https://imihwa.com/uploads/image/20210902/files/20210902002749.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/16141ff696f2f9---fesexonake.pdfIn PDF document text
- http://silesiacapital.eu/data/file/bixitubopexajuduse.pdfIn PDF document text
- http://xn--9w3b270a7kf.kr/data/editor/file/81654194030.pdfIn PDF document text
- https://chungangroup.com/uploads/files/202109011252047662.pdfIn PDF document text
- http://dostavkaturov.ru/files/file/53405610031.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139de1451e77---gigizon.pdfIn PDF document text
- http://fewo-spreewald-schoetzigk.de/brandenburgtag/img/editor/file/78060074667.pdfIn PDF document text
- http://pspectr.ru/userfiles/file/xozudob.pdfIn PDF document text
- https://attackworkoutprogram.com/app/webroot/files/ckfinder/userfiles/files/zezuzulegubadizufuzuxegan.pdfIn PDF document text
- http://oletrans.sk/editor_uploads/files/tobizaxafopam.pdfIn PDF document text
- http://ortopediaszombathely.hu/editor_up/labaxuxavujikufoj.pdfIn PDF document text
- https://elesud.it/img_pagine/file/bimabotemobazitanidag.pdfIn PDF document text
- https://nabsangram.com/userfiles/file/lamikituwofejadebutuja.pdfIn PDF document text
- http://poledance-chrudim.cz/files/file/vapulememudidubedefotef.pdfIn PDF document text
- https://jordan.si/dokumenti/file/52640098648.pdfIn PDF document text
- https://manenshop.com/upload/files/nujolododuwepu.pdfIn PDF document text
- https://www.mppoa.cloudlinesystems.com/assets/ckfinder/userfiles/files/nudoxuze.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_off0000b8e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8E7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d0fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0FE | 10704 bytes |
SHA-256: 8f40e688227357fdbe3f96f3e394147c5d0a2d6a522211bdde3e27e5e98a104e |
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font_02_sfnt_off0000e98c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE98C | 16860 bytes |
SHA-256: 4ff8542fba27addbaee43d6c8ad0d53dbdb2f4ac5e51e6cf633f9fccc3ffd845 |
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