MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous links, many pointing to compromised WordPress upload storage and other disposable hosting, suggesting a link farm designed to redirect users. The presence of these links indicates an attempt to lead users to malicious sites, likely for phishing or to download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://alt-1c.ru/userfiles/file/kipuwamutifu.pdf
- https://whatproperty.ng/ckfinder/userfiles/files/doweduzox.pdf
- http://ardechetendancebrut.fr/userfiles/ardechetendancebrut.fr/file/xugetavivonidojitidixewoz.pdf
- https://clubforeducation.com/FCKeditor/userfiles/file/jinumafe.pdf
- http://ristoranteyuri2.com/userfiles/file/kajojipasepekibijade.pdf
- http://longearedhounds.com/clients/65743/File/sigifadaxujuteb.pdf
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/b75013f191d76c9f4978d5c1ad3b4c17/86812748844.pdf
- http://duhochmis.com/files/uploaded/files/22003541238.pdf
- http://bbpcosmetics.com/admin/upFiles/2021-5/file/sovoliw.pdf
- https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/fc217490fa67cf5fed8a7e2244f47204/12096350189.pdf
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607adf25c657a---lekopekapiposu.pdf
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/d7c1v9h8l68g8u41lcm7deb7ol/kavofejek.pdf
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d721b47c7b4---xikisixorineporunaz.pdf
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/8a1d4afe0a39241ddfb1cfd40f627b90/45308173809.pdf
- https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/cnmvgk3jjcstps7fvja89sfa0v/tibibotamo.pdf
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/4a881e0dc5c178276564f85f6e155a54/15874257322.pdf
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/b2f7cdedbe643af8cf7a305cb196e2e5/vokadukudetefanapasurut.pdf
- http://vtvxm.vn/userfiles/file/98791923914.pdf
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b762f3ec0a9---21339400419.pdf
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/5f9b75f478c5468a2f07b2c7dcebbfda/60166912294.pdf
- https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/d74374f0e2fd07184878a5e1d6da778d/pozevoranatunu.pdf
- http://prodottoitalia.eu/userfiles/files/99795686301.pdf
- http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609464e0815e3---26559281261.pdf
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8ef7d9fbf---babutefeponu.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075ab0e206fb---20118583753.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=download+engineering+books+free
- 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_off0000fb42.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB42 | 16792 bytes |
font_01_sfnt_off00011354.bin227f9490d3ffef09b96049db311ae58bfc61a03f39b5a5bcdd265780393f2be7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11354 | 17732 bytes |
font_02_sfnt_off00014260.bin2f4506f1b321a011dafe06aa87fb7798b374643659bc72602f92869650f3d373 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14260 | 10748 bytes |
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