MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains multiple heuristics indicating it is a link farm hosted on compromised CMS uploads and disposable hosting, designed to redirect users to other sites. ClamAV and ML classifiers confirm its malicious nature, flagging it as a phishing trojan. The embedded URLs and the nature of the heuristics suggest an attempt to direct users to malicious content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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://bursakaynak.com/userfiles/file/dubesopafabasabulew.pdf In PDF document text
- http://mirandatutoringcentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160832090674c8---logimixevaziforufaluro.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d7167d2fe18---godezaximuvosubu.pdfIn PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/ed0da46e581fc4b9adabe8c8d47e14ad/mabizajowozol.pdfIn PDF document text
- http://monkeytailranchdonation.org/clients/e/e8/e82116dd0b5861b0917add2a69208af2/File/nivigotijiwaju.pdfIn PDF document text
- https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/3cpsjhrb3h8stnrmmijo1bt45i/javavozazo.pdfIn PDF document text
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/0f2043daea0f93e57528e911d93d4016/95293706721.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/2304fd92c36018bc072ea72965489e6b/89990860403.pdfIn PDF document text
- http://angelojrobles.com/admin_initial_test/userfiles/file/13899571325.pdfIn PDF document text
- https://amitadevnani.com/userfiles/file/12531672811.pdfIn PDF document text
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/06e1nrohrpjaphkv9sdjvqfkbh/13780513805.pdfIn PDF document text
- http://guides2alpes.fr/uploads/file/vowusukuxatir.pdfIn PDF document text
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/cbecc20d44e8d7b2061b8d37a6588f18/zogisu.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d7a83ed55aa---76361847393.pdfIn PDF document text
- http://wingprocess.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bugofupuforejoburenak.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad4c74375dd---dedobowatafezolal.pdfIn PDF document text
- http://ceskylakros.cz/userfiles/file/80451141650.pdfIn PDF document text
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1609bfd41b16e5---35175733506.pdfIn PDF document text
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a6d293ce322---9042035457.pdfIn PDF document text
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/96e63a3f4b8dae00ae9e5dfe72252ac1/lawekalidadinebamurolujus.pdfIn PDF document text
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/fe1f0cb4e0d5a7671a5d2995fa5b9c04/62990622248.pdfIn PDF document text
- http://asesorgubernamental.com/images/file/nijojesawonafixevavipav.pdfIn PDF document text
- http://jandenzobv.com/image_uploads/file/luvinepagafufen.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=birds+of+prey+and+the+fantabulous+full+moviePDF link annotation
- 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_off0001200a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1200A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001381c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1381C | 17936 bytes |
SHA-256: f007e43e44814ffca43d97c299470c1318b5de1ee08baadcfbd9c9542ae5626b |
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font_02_sfnt_off00016637.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16637 | 11236 bytes |
SHA-256: d41e70b45de92df131d0b2c36f54c71ecafad41aaded429a69ca4c4d42ec828e |
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