MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting it functions as a link farm to redirect users to malicious content. The presence of external URI heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9932
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://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/15551c7c72732d67485485d2d7194efd/jolalif.pdf
- https://suma.ca/upload/editor/file/84479123290.pdf
- https://zanhotel.ro/beficientconsultingFiles/file/87180796632.pdf
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/160d850fdb9e9f---71870892357.pdf
- https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/d181bda2ab1a3e945390435c2f36726c/95643502643.pdf
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/e463bbd7cabd0a68d8b30c7fd1f5ffe2/kidogoguna.pdf
- http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/160710cdb4b000---nuzireginavovasasoxa.pdf
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16081602356bf2---mazadelerovojozi.pdf
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/gd459tkbroohdvs7lte7qa09sq/77687506176.pdf
- https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/2b4f976fb57058d5fa264a90756467d5/nibovakas.pdf
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ae8cc58b03---tabaf.pdf
- http://liyangah.com/Upload/file/70795275083.pdf
- http://pileshoppen.dk/userfiles/file/devasezoximaxujemuxor.pdf
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160904518c0900---jusuvokuz.pdf
- http://creativeindustries.ru/uploads/userfiles/file/37337223623.pdf
- https://xn--interpeas-r6a.es/upload/files/pizabagizege.pdf
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/6ca53a489650237b1cc062164e764a00/27525859205.pdf
- https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/98f1c1a09ebab5bea057bacc4c3c1a0c/suwux.pdf
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cbf1840bd03---68682115529.pdf
- http://interwork.sk/userfiles/file/34629312799.pdf
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160bf3c540b4c0---zaperagigagukanugafavo.pdf
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d21aaddf485---gorisap.pdf
- http://aiswaryamatrimonials.com/fck_uploads/file/kelejemazabafifusaxa.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=donghan+produce+101
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dfc1.bin16834f4e65e521e0f950cd35a4e9a1c4c0ab510cd7b805b5ee3df80c96dad5e5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFC1 | 2148 bytes |
font_01_sfnt_off0000e974.binda0463ab26a4deeb52936a3dd94338d0cfd89b7e4efd25395725b642167f7539 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE974 | 10664 bytes |
font_02_sfnt_off0001019b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1019B | 16792 bytes |
font_03_sfnt_off000119ad.bin977394a62fde2be4300b1665adf0384a46ff36c5ab6b0ce342309473fd5e336a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119AD | 24708 bytes |
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