MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate maliciousness. The PDF contains numerous external links, many pointing to compromised WordPress sites, and a visual download button lure. The presence of embedded URLs and the nature of the heuristics suggest the document is designed to trick users into downloading a secondary payload, likely through a phishing or social engineering pretext.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://synerhu.ru/uplcv?utm_term=download+stickman+warriors+super+dragon+shadow+fight+hack
- http://szpital-sulecin.pl/images/fckfiles/file/gamawinixu.pdf
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160c88b624f514---91401977378.pdf
- http://akcompany.vn/uploads/userfiles/file/83088890660.pdf
- http://keralabiblesociety.com/fck_uploads/file/20851735628.pdf
- http://alotercuman.com/ckfinder/userfiles/files/nusujemilegovaxidofarule.pdf
- http://mutitar.com/user_img/files/pekalagudazadulamubaw.pdf
- http://worthingtonpark101.com/userimages/gajolarezibinemozamo.pdf
- https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/6239b180cd61ae45effe3df31c22f8fe/wikaxitezilaxes.pdf
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/a88aa01cb2a126f7afd99fa66ad013ac/setemakoleka.pdf
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081dae82ebcc---tawap.pdf
- http://almar-bus.pl/userfiles/file/xatezanomowagu.pdf
- https://colakcivi.com/userfiles/file/37056464467.pdf
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074180f67307---74638246847.pdf
- http://j-club.eu/userfiles/file/rexexinorarate.pdf
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/m8rva1pnif851hnkigrlq01d9a/liwufavusisexajugavanetaj.pdf
- http://marketherballize.com/ckfinder/userfiles/files/josenapovufowoselewujo.pdf
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/cfde4da155bf7db1b78746b5be782e9d/63757613871.pdf
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16075d57fc9dfc---83340856315.pdf
- https://digireg.ch/upload/wejonipezeg.pdf
- http://sylvianapoles.com/clients/e/e6/e63d90d46a840f0b3195f531cec11f6e/File/62466565963.pdf
- http://projecthouse.bg/uploads/CKfinder/files/mogakupegapolulo.pdf
- http://plafondchauffant.fr//img/user/file/fomunakenoxa.pdf
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1610d91736e369---datimomi.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_off0000ebd1.bin26d42b5e154c0468c845aad41d71319397ac34e1fb3f2c9543d60d94a295a402 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBD1 | 16556 bytes |
font_01_sfnt_off00011685.bin3da049c5a8e1558ad5f50b14f503caac73debd1540922b5629c864cd248142a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11685 | 11348 bytes |
font_02_sfnt_off000130e3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130E3 | 16792 bytes |
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