MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous URLs pointing to compromised WordPress upload directories, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The file's structure and embedded links are consistent with a phishing lure designed to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/16086ec50a304f---30631977276.pdf
- http://k-souz.com/userfiles/file/15814243675.pdf
- https://mimpiindah1.com/contents//files/18929773419.pdf
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/c47aae1493805fc11f77cd01ef573ee9/64225623412.pdf
- http://pizzeriadevita.it/userfiles/files/54927945654.pdf
- http://hud101.vn/webroot/img/posts/files/3073444360.pdf
- https://waroproject.com/file/bugawedorodujarelex.pdf
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e43f5cdabf---79904186271.pdf
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085502a28183---8545015712.pdf
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160861871073c7---1747009358.pdf
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609699eb4b211---mubugona.pdf
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e6cabe43de---53890279071.pdf
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16079c40722fb2---75864654812.pdf
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/10c1c618a2e5190dc5042055c3da64ef/46700354328.pdf
- http://bmsorganica.com/userfiles/file/bupijiwinuribiraxot.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/8kb4no4epq441l1ofa5skpra00/zuzubufibej.pdf
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/3f461597870214de237783aaceb38d37/9893877681.pdf
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c69dd556ec0---wasiwipewazatesok.pdf
- http://spoanalyze.com/wp-content/plugins/super-forms/uploads/php/files/d43363c7f7cac3c4a309244e44949dcc/99464948896.pdf
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5860ea4c80---buzoxobuxuv.pdf
- http://arredamentoambienti.it/img/file/63584477197.pdf
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b84b393000b---dezivafoxenekoniwaxe.pdf
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/upc5ijmoiu3bsm4dpdcpj1c7rr/jatodofejalipuporuwubar.pdf
- http://sinhorelli.com/userfiles/file/gisozesixawiga.pdf
- https://torbay.ru/images/uploads/file/78226506728.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=hotel+management+system+project+report+in+php+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_off0000ea55.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA55 | 16792 bytes |
font_01_sfnt_off00010267.bina7a655818c5a988d7302dc865497d03442c2fe4125fdaf03bf9a8071ff8b3d7a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10267 | 17196 bytes |
font_02_sfnt_off00012f2d.bin83a1060591cd393132f540445ab20f928a3dfbddae8519e7912863fc0814a83a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F2D | 11300 bytes |
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