MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as a link farm, with many URLs pointing to disposable or compromised hosting. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing trojan. The embedded URLs suggest an attempt to redirect users to malicious content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://medvor.ru/uplcv?utm_term=new+serials+in+zee+tamil PDF link annotation
- http://xn--elementy-zczne-kwb98g.pl/media/file/ruzijuzazoxusewo.pdfIn PDF document text
- http://www.memoriahistoricamalaga.org/ckfinder/userfiles/files/87998608323.pdfIn PDF document text
- https://bruceautoservice.com/files/file/zupigorevex.pdfIn PDF document text
- http://geasit.it/userfiles/files/51502147876.pdfIn PDF document text
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/d6f883012115aa94fc09ecffad84aa4b/1906272300.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/7f366eefb4246c54a259ffe9f3ff7258/99241606596.pdfIn PDF document text
- http://rudolphalexander.com/uploads/files/56343298305.pdfIn PDF document text
- http://xn--80aiddhbkcq5bcaz.xn--p1ai/upload/files/94279492444.pdfIn PDF document text
- http://generaltubi.com/container/ckfiles/files/gebizaxakewetuvumobeli.pdfIn PDF document text
- https://ruxthai.com/ckfinder/userfiles/files/45216281799.pdfIn PDF document text
- http://serdceprirody.ru/userfiles/file/wupamutizosifimujodasuzef.pdfIn PDF document text
- https://dintek.eu/uploads/file/87839641931.pdfIn PDF document text
- http://firesystem.ro/imagini_ws/tolijedoweloji.pdfIn PDF document text
- http://csc020.com/userfiles/file/20210916062810_40xjvp.pdfIn PDF document text
- http://novafish.it/userfiles/files/85324534158.pdfIn PDF document text
- http://dighakanchaninternational.com/FCKeditor/file/59370442184.pdfIn PDF document text
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/06922cb6e4c328c1b89c93ad6658bbe6/35320473825.pdfIn PDF document text
- https://bibliothequedesarts.ch/ckfinder/userfiles/files/xekufazepiragedalowatuxe.pdfIn PDF document text
- http://splogservice.ru/content/file/73809286660.pdfIn PDF document text
- https://esperanzadeavila.com/fotos/file/tanizipexevezepumepu.pdfIn PDF document text
- https://oilbasaro.com/web/images/ckfinder/files/20210912012719.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16142c21d4c9d0---21046091576.pdfIn PDF document text
- http://nuocmambason.com/upload/fckimagesfile/28a6e6214ec5b8d650845301de0ec35a.pdfIn PDF document text
- http://hrudolf.com/userfiles/gubaxeman.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_off0000bbb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBB2 | 17160 bytes |
SHA-256: f9717c0e224784cccfae7f0ac32b4b7312a3ab68db98bc3db54d0bfbbb3e538e |
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font_01_sfnt_off0000e886.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE886 | 10272 bytes |
SHA-256: cfc9e25ae23999b4d7adfd59aca58d4599ee8da973cffac2187f2727fdbeebe8 |
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font_02_sfnt_off0000ffae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFAE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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