MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to redirect users to malicious websites or exploit vulnerabilities. Several heuristics indicate the document is part of a link farm hosted on compromised or disposable infrastructure, aiming to distribute further malicious content. The ClamAV detection as 'Pdf.Phishing.Trojan' strongly suggests a phishing or trojan distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://coretry.ru/uplcv?utm_term=book+learning+german+pdf
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ad5690ef49b---delefamorolel.pdf
- http://meijialx.com/ckfinder/userfiles/files/duvilizusabilodowo.pdf
- http://auto4-spb.ru/public/images/ckfinder/files/75834523235.pdf
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/fuflshdm0ilkfuhgbnjh6pehf6/24159114134.pdf
- http://fixmyhelicopter.com/project-new/christianbook/upload_images/file/62740597271.pdf
- http://accessiblevehicleservices.com/userfiles/file/14192183267.pdf
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608aacb108d47---6382462174.pdf
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d47052128df---kefapenaguzaxolugizodi.pdf
- http://www.aportecnica.com/imagenes/editor/file/bidadikugimizo.pdf
- https://lotteppta.com/beta/assets/file/sukotalukabiboworut.pdf
- http://blesk-stroy.ru/userfiles/files/41144165146.pdf
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160826d6d2d3de---73378646196.pdf
- http://gunjanjain.com/app/webroot/js/uploads/files/nejuwikuwadamomegukewefaz.pdf
- https://blokhol.com/upload/files/1806209086.pdf
- http://www.rify.us/cms-uploads/files/35774547054.pdf
- http://campfirewtx.org/userfiles/file/vopora.pdf
- http://4998horo.gmmwireless.com/contents/files/kewelabafox.pdf
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160830b6e3964d---39266582183.pdf
- http://spbmedax.ru/sites/default/files/uploads/zabapep.pdf
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1607919b361bba---zemekixuvuduforokonoteru.pdf
- http://bayernglobal.de/userVZ//file/falezomenunukon.pdf
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/601cc8ec7941e6abe0cdd3390a557df6/didewotomojazadoligu.pdf
- http://ilovegabal.net/fckeditor/_upload/file/komig.pdf
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/8i0js965r2la8aqo92orj5hn61/10953156811.pdf
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/2089ce567b3729589cca6dd4e4408eea/1341048764.pdf
- http://tc-muehlacker.de/data/tcmuehlacker/userfiles/file/9093645629.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_off00010507.bine0ba8dec64bac211f51c3bd7ef4ae572a7233abdfc0cf72f0576a59fe7575e7e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10507 | 18900 bytes |
font_01_sfnt_off00013604.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13604 | 16792 bytes |
font_02_sfnt_off00014e1b.binb798d4e0ef6e4d7d8f495c64945c879e3511b5939c85e02b2dd8008c495ee9a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E1B | 10720 bytes |
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