MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs that point to compromised WordPress sites and disposable domains, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or distributing further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' confirms the nature of the links as being on disposable hosting and potentially used for SEO manipulation or traffic redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://coretry.ru/uplcv?utm_term=phrases+commonly+said+wrong
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160cbeda1a94dc---73728900448.pdf
- https://bonpetsupply.com/wp-content/plugins/formcraft/file-upload/server/content/files/160872ad70f176---xanaf.pdf
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/bcmsbaahp0eeom2mnlq43p0311/penepobazobavup.pdf
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609861f2963f6---71074066688.pdf
- https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/f69b14e5lttl9a9omj3pge46fe/wokovaka.pdf
- http://learningkey.org/userfiles/dorujifiwadodel.pdf
- https://mayurherbal.com/userfiles/file/28690530442.pdf
- https://bonafideonline.com.ar/wp-content/plugins/super-forms/uploads/php/files/fcf9164e063f68db7e38fb1936cefca1/libetofetozaf.pdf
- https://balustrady-metalik.pl/files/zugilenuni.pdf
- https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/a7c322b8f58c3c8bfa270ed6209a493f/sekozopupotojeponudomi.pdf
- https://noticky.net/akce/fotky/file/kunubaw.pdf
- http://vhs1962.com/clients/b/b9/b967f936f519796c2a696a6ed1da67f9/File/xexumosoporizapeleruded.pdf
- https://cambodiadriverservice.com/userfiles/file/lelukejitene.pdf
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607b7e357fe8d---fuxaliv.pdf
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b76c4761da---bepovedorevaduwivugukujo.pdf
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16090c8a539a51---puwipo.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed7dd75e91---78146918540.pdf
- http://eko-inwest.eu/upload/file/niluzomug.pdf
- https://acronimocostanzo.com/userfiles/file/suraperavujigazapope.pdf
- http://bukhatirhomes.com/userfiles/file/mepavejukilenudulisojav.pdf
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/bc5utcl5hnb2c74p05pm8urvco/gizefatabepaxosofelup.pdf
- https://bhiringisamsankalimandir.org/ckfinder/userfiles/files/51211162020.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_off0001066a.bind932c5792f8deb3a05fdfd98264d7610883c24bfed19165dcc1b897ad7f61427 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1066A | 10920 bytes |
font_01_sfnt_off00011f59.bin4ef656b6bf009bf4fab28df2a7038e5ba43ba3ad4f879f8aa29f3012e70367dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F59 | 16864 bytes |
font_02_sfnt_off00014b08.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B08 | 16792 bytes |
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