MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous external links, many pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. No scripts were extracted, but the structure and URL patterns are consistent with a link farm designed to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 6
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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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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://archism.ru/uplcv?utm_term=letter+of+authorization+to+remove+property
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606caa6eab27a---17827550785.pdf
- http://cphs1970.net/clients/877309/File/22195458121.pdf
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/cd58ba51ce6b3da9ce04ee882d7a75fc/60052469581.pdf
- http://alltechsro.cz/files/rugasapipenikebidijagevo.pdf
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8b9e8da70c---48052609956.pdf
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/39142d3db88b9134a1d28088d317ea69/rusokije.pdf
- https://toskov-yordanov.com/userfiles/file/nijubipajivobo.pdf
- https://arzhosting.com/calisma2/files/uploads/pilenurogizobitesevoko.pdf
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d009e889a6---kobox.pdf
- http://richmore.kr/uploadfile/fckeditor/file/jotipuvuwazideguju.pdf
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/ce4cda51b9c674c70b4b5a05dd2a4681/zinom.pdf
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a357d7977ee---deratudo.pdf
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/3340bc1dbf9bea9a418f7c09bb6a1008/39224078641.pdf
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/1b255ab200c59af98b8ea2799e035306/kejixaberunewaweru.pdf
- http://rana-international.com/userfiles/files/rolobatojer.pdf
- http://drkoopman.nl/cmsimages/file/pefimedasegowil.pdf
- https://mmagame.com/userfiles/file/letimoruxetugejat.pdf
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/n1fm2sei79c23n9c2gk3dm4edg/detelazan.pdf
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/d3gsd548etbpq13si6d5o14gvn/95085274235.pdf
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/27caadca11e481f5c27dc4c71d64f020/pisozakuxelesitidobozeko.pdf
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/2f41039e5420d3976ed5ffb595335981/tefivi.pdf
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607c4ce7f262e---35328265583.pdf
- http://m3hotels.com/userfiles/file/31765360868.pdf
- http://edu-family72.ru/content/images/uploads/file/kudunenesenib.pdf
- http://humanitool.ru/userfiles/file/70407196266.pdf
- http://bonsaichik.ru/images_uploads/files/75424134078.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_off0000f626.binc434e4e476cf4fc449b9fb3aeeb9575624de7e85b39c85024f1d889841a6118f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF626 | 16356 bytes |
font_01_sfnt_off00012089.bina4d163f9e84476f606687922fa36cce846bf3c1d536740528d564cff776acadf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12089 | 10708 bytes |
font_02_sfnt_off000138f8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138F8 | 16792 bytes |
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