MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised websites, suggesting it is used to redirect users to phishing sites or download further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically highlights its nature as a link farm on disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://matras-devison.com/upload/file/26655110691.pdf
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608d32af2a7c0---33951187076.pdf
- https://immo-cjeanpaul.lu/userfiles/files/doberixusaritubelugamowe.pdf
- http://gpmpoolandspa.com/ckfinder/userfiles/files/33599255853.pdf
- https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/6d939851d600b127bc1e5364714580ef/jagosiwabizafelelifage.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/ovbprr4imdp6oa39cchj3dtqi7/nowujijapopesuduwili.pdf
- https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1992c608d---51937718516.pdf
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/bp1oq1e5bd9giokg6cebli9r2q/kipoxuge.pdf
- https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/i4bl1jkqe2qvi7cubi8hqbvcmh/gagafirajajibasof.pdf
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607298a7f2961---zimiximabofelutowar.pdf
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c392767fd9c---werisilutimepixo.pdf
- http://banglatalkies.com/dynamic-images/cms/file/84031272321.pdf
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/4ae1700ac79199450069b4bbeebb6dc5/pazagaxepos.pdf
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/d2d144b89f6fbd90db2dfd2327acac30/91563996464.pdf
- https://ms01bet.net/contents//files/36017307629.pdf
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/154661bfb7becbf760def75b3ea82c31/telujedisosijodawazuv.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d42954bded7---8811597029.pdf
- http://jeyadhurgatemple.com/userfiles/file/nuzuvunulijisakusune.pdf
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f020aa49da---32278428995.pdf
- https://mokhalasati.com/userfiles/files/vajanejagobupozunode.pdf
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8efd4f71a---jepovovudafasi.pdf
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/aae81b37b156fda171f3b6bd4be79532/57203789546.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/p5jarlcrojdr6sjqgeucicus62/176444146.pdf
- https://wisserarm.nl/app/webroot/files/userfiles/files/puzonuxaval.pdf
- http://abwcoliseum.com/uploads/files/74160622249.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=industrial+relations+pdf+notes
- 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_off000117b2.binfa167b878df59cebec06fa572fcec2a9f8c725048d2203c508331db3e975582d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117B2 | 17136 bytes |
font_01_sfnt_off0001448a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1448A | 16792 bytes |
font_02_sfnt_off00015ca1.bin99bf1c817196e2c352e04b986f221bd435679b36a976ed85aae5d8273187fe4e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15CA1 | 10544 bytes |
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