MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external links, many pointing to compromised WordPress sites or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' indicate a strong attempt to create a link farm for SEO manipulation or to host malicious files. The embedded JavaScript likely facilitates the redirection or download process, contributing to a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://ketchas.ru/uplcv?utm_term=aos+tv+app+download+for+android
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1613e4b5fa2f4f---27770193617.pdf
- http://mweb.cz/images/file/putenizigajugekenisumu.pdf
- http://cisseo.net/userfiles/files/40432242295.pdf
- http://architettotoma.it/userfiles/files/fugokap.pdf
- http://strategie-online.net/catalogue_dynamique/file/ropamimugab.pdf
- http://sithome.com/upfiles/file/20210911145107.pdf
- https://cometgroupinternational.com/ckeditor/ckfinder/userfiles/files/76982420884.pdf
- https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/m84e938tkf8hb3o5u93bh03td5/bevulibuwapu.pdf
- https://fotobolfestmeny.hu/mvc/userfiles/file/valibamasopekutuzaguda.pdf
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/jetgpvoi0ffdo6j1gt02ja0crn/nanamurolekolesusuluvipex.pdf
- http://studioiulianella.it/userfiles/files/23390495488.pdf
- https://hophamthaibinh.com/upload/files/xologovipunukubamop.pdf
- http://hanasushimenifee.com/uploads/files/48879305433.pdf
- http://humansharehouse.com/userData/board/file/wofubuzomegovogewafanu.pdf
- http://ahzycw.com/upload_fck/file/2021-9-2/20210902212327164597.pdf
- http://gayaarchi.com/userfiles/file/20210902160652.pdf
- http://architettorobertafasola.eu/userfiles/files/9179583496.pdf
- http://dooroc.com/tk/upload/file/mutafiworobawax.pdf
- http://www.palmettoexpresslanes.com/system/js/back/ckfinder/userfiles/files/61174419409.pdf
- http://theponghop.com/upload/files/nafafigelopepenaneguned.pdf
- http://kurumakaitori-one.com/js/upload/files/vazurawefo.pdf
- http://guides2alpes.fr/uploads/file/96120202145.pdf
- http://np-laser.com/upload_fck/file/2021-9-16/20210916103311420820.pdf
- https://artinterior.bg/userfiles/file/vegezevixawubusotujapan.pdf
- https://mavibusiness.it/file/69812301677.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dd79.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD79 | 16792 bytes |
font_01_sfnt_off0000f58b.bine451c9e1692714467f5a2558e395e1554bbd476eba0fb0bd5fd55f680332026f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF58B | 17572 bytes |
font_02_sfnt_off000122ba.binfa0b2875faf069fb03734504edaa05d146da3532c646f25740ec354fd1f9341b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122BA | 10492 bytes |
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