MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The file contains numerous links, many pointing to compromised CMS upload storage and disposable hosting, suggesting it functions as a link farm to distribute malicious content or conduct phishing. No scripts were extracted, but the structure and URL patterns indicate a likely attempt to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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 http://vhs1962.com/clients/b/b9/b967f936f519796c2a696a6ed1da67f9/File/fumad.pdf
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e69cfb3de1---36817443288.pdf
- https://bbu.vn/Images_upload/files/didaxewidanemanalir.pdf
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f066459cc7---4726650215.pdf
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9c18412439---butijetuf.pdf
- http://globaltruthmediagroup.com/clients/a/aa/aa8380eac451876ae6ab993bf3a720d6/File/31355787653.pdf
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f2551b7268---jobewirelako.pdf
- http://agnieszkapawlik.com/userfiles/file/49495277157.pdf
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607fabc3993ea---xesosodowitowobugokowefat.pdf
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/26bb67a00c222eb82468a7b3d310ea82/98435468116.pdf
- https://hospvetcentral.pt/site/upload/file/durawenezamimuliforafigu.pdf
- http://kondicionery-vidnoe.ru/upload_picture/file/22489299626.pdf
- https://cr2tek.com/userfiles/Proj_Name//files/gijuzokudupelosesonumisex.pdf
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608fbdd4764b1---79145234126.pdf
- http://odpadykj.cz/UserFiles/File/faxoganixadojezem.pdf
- http://driscollandgibson.com/images/edit_images/file/71561726231.pdf
- http://architects-desk.com/uploadsfile/48379550037.pdf
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/3d381b94175f83461ef39d58428f46ca/89932123025.pdf
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/51985045b945243279804b454fb6bcd4/39574362521.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/24f41151957b000744a15e050e7ee653/jisakajarumakogofukow.pdf
- http://progfin.pl/userfiles/file/43839689167.pdf
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/920fea4f57707fa190cfa7676b3cc071/28148600212.pdf
- http://atdawnwelift.com/userfiles/file/fumolubobofoma.pdf
- https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/8cd881d7c29bfa5bf7807ae4d6a8c821/60020491537.pdf
- http://americanewbie.com/userfiles/file/63292709517.pdf
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607df252e0581---rovaxuxuwipudatob.pdf
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160e275eb9f99a---70107623622.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=the+haves+and+the+have+nots+season+2+episode+3
- 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_off0000ce1b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE1B | 16792 bytes |
font_01_sfnt_off0000e632.bin103cf350c2df5b34c5088dc3f56bed92b24cd70c6881f83d79c5d5a63af9eeef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE632 | 10664 bytes |
font_02_sfnt_off0000feab.bin82547fa5c7dc8e981c2a9df5f2bc25a84de4fa795215a0baf440932ccf139b6e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEAB | 16736 bytes |
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