MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users. The PDF's structure and the presence of these links strongly suggest it's used in a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9924
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://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d4a7b6afbfa---dalatebubowefe.pdf In PDF document text
- http://4grd.com/cmsimages/file/xojakugi.pdfIn PDF document text
- https://www.temsilcifirsatlari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086945364b27---87994356099.pdfIn PDF document text
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/q62e88jviotmgvaq5luqf3942f/20684138582.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/gp5kuj9prnmhdlv8p39jej7ob5/51210707205.pdfIn PDF document text
- http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160861596c005a---pedasovarevariwubukalexev.pdfIn PDF document text
- http://abbwingslynnhaven.com/uploads/files/dijiwu.pdfIn PDF document text
- https://lawrenceyezersky.com/userfiles/file/74344314567.pdfIn PDF document text
- http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6b12a8d01---3543973754.pdfIn PDF document text
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d188cccdb79---34672643773.pdfIn PDF document text
- https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/beae12f00300e6512d2cdd2d9d8fed0f/93849175600.pdfIn PDF document text
- http://sam-global.info/files/file/mejizufofi.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/8p3vssur4iirs2si9nlbjofns3/73475801958.pdfIn PDF document text
- http://nikacarpet.com/My_Project/Hamishe_bahar/ahar_img/files/dubarenidebajokewaxajisiz.pdfIn PDF document text
- http://www.logomarcanet.com/userfiles/file/mefipasigididodudus.pdfIn PDF document text
- http://vcelari.naceradec.cz/includes/ckfinder/userfiles/files/lanujog.pdfIn PDF document text
- http://theofficeplus.com/userfiles/file/pevudopepibubenu.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160e8d42fcfdd4---39955729543.pdfIn PDF document text
- https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/c134009e41c3e18bfea323af61e5e930/77552339348.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/4052c08bb7622439103734d10c2450f3/70858355698.pdfIn PDF document text
- https://dalycity.com/wysiwygfiles/file/wipuvapusovezaxukarozaza.pdfIn PDF document text
- https://paperland.bg/uploads/file/62444481526.pdfIn PDF document text
- http://pdww.ru/ckfinder/userfiles/files/jibifipiriludikidojevinod.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16089f90cbd6c5---xodekumezepufov.pdfIn PDF document text
- http://yakutiaprime.ru/SITE/files/editor/file/sakotiremajafixonojepes.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=chess+rules+in+tamil+pdfPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e310.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE310 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fb22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB22 | 25316 bytes |
SHA-256: cef0d8592d9cdb11e2b6173c28f914e551acdd7183619e82529e87a2158d6746 |
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font_02_sfnt_off00013bab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BAB | 16416 bytes |
SHA-256: 7d08e1d0ad0fccf0db34989b3c15b8142814363e18df2bb78d91528aa4339ea8 |
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font_03_sfnt_off00015256.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15256 | 10772 bytes |
SHA-256: 0d2e787e109c3e1eb8aeb778bcfc59e2227f4083074490886e3c357668b3b633 |
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