MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple compromised or disposable hosting sites. The presence of external URIs and a high ML score suggest an intent to redirect users to malicious content, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://thanuyentea.com/ckfinder/userfiles/files/wolinux.pdf
- http://myredm.ru/uploads/file/20272149321.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/2ojrnha7a88dlvqsqqoc3456a5/33987988037.pdf
- https://mariellatriolo.it/public/file/19036737414.pdf
- https://tsafar.ir/basefile/tsafarir/files/lovavowijalogi.pdf
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607f505383363---fexipojarizubatez.pdf
- http://bjjiffy.com/upload/jedolixefofo.pdf
- http://tomaszfilipczak.pl/userfiles/file/29732464239.pdf
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b4f9d44540---dufexarifelig.pdf
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa3f22276a---wetojaxopevapejuk.pdf
- https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/99edl1doagh3c5c2oelovu61md/27641761076.pdf
- https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/2f307ac40efbd81ab1d15f8e17f47718/kimudolilolikejirujosil.pdf
- https://egca.fr/userfiles/file/depoluri.pdf
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/3a12d773cf701e0fb657f024a5539411/67553409302.pdf
- https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/3a8b7c32a3f735b300714fa8ca303b93/4744496082.pdf
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/d42ccd381fcab671d1e4e0c92644889c/zibokuzobazobavozo.pdf
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a7cdd6ebbbd---60879072600.pdf
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/0c8gq411uee2tmk7m8vmdhetib/fiporodikosorufififu.pdf
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/0357b3e53f8c5aab94e3a0b479366ce3/dudalevigefusutuse.pdf
- https://condominiovillage.com/userfiles/file/nibemabesebusineditixen.pdf
- http://ottotech.center/userfiles/file/71434764421.pdf
- https://an-professional.ru/img/files/file/38973693858.pdf
- http://abwingsde.com/uploads/files/86047231672.pdf
- http://xn----dtbsgbucafmmaf.xn--p1ai/servimages/editor/files/nejifalipezitasitogo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=unsolicited+bulk+email
- 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_off000146b9.bin5b2d4c1f64a743478c12008db4520ccd6008687a9b859ca2f7743e8031fc91d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146B9 | 20660 bytes |
font_01_sfnt_off00017bcf.bin6585299a54d010c367cb4ca8ed51684f8c9241fb2182e2c0b73d13b2ed1ad412 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17BCF | 10768 bytes |
font_02_sfnt_off00019496.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19496 | 16792 bytes |
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