MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by a machine learning classifier and ClamAV. It contains numerous external URIs, many of which point to compromised WordPress upload directories or disposable hosting, suggesting a link farm or phishing lure. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM heuristics indicates a pattern of using search terms to redirect users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://smidgel.ru/uplcv?utm_term=mbbs+first+year+physiology+book+pdf
- https://footballsod.com/images/ck-uploads/files/nekozonetar.pdf
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaa6f269dae---73382614845.pdf
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/tpobh862tva05v00s581t1mnq2/69114052478.pdf
- http://bfr-bialapodlaska.pl/userfiles/file/sexenowop.pdf
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b26fdf60100---fotivinira.pdf
- https://poolpoint.be/uploads/file/wirifatigasavuwuwedodemim.pdf
- https://people11people.gr/uploads/File/kuximewedofomaz.pdf
- http://ccspatti.org/userfiles/file/zinifovivisikuvoveke.pdf
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b230e51ff4a---96545191623.pdf
- https://airshow-bg.com/file/biwuvekawi.pdf
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/2sp9b0cvo401j9oeoc3elacoh7/2446645811.pdf
- http://lws-realestate.com/userfiles/files/tuzixu.pdf
- https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/ltrcdhldlqqnthrepucmnhktp2/91590979027.pdf
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607faa7d3cc97---dorazemefokadetazum.pdf
- https://mldom.xyz/web/img/podborky/files/82584401104.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/40bef12e243eadae61170a0e6a3daaf5/xenuzarigafiw.pdf
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b091cdc16ec---2893762245.pdf
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c921fb4ad6f---femufokuf.pdf
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16089935c6b709---76723031982.pdf
- http://best-infosystems.com/userfiles/file/pozemijevutuw.pdf
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/4b5147aa9825f1fb02a5a9556bfdecad/famef.pdf
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091e63b5924e---vosoruvev.pdf
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/6llb9h1msgj3oedfhofvao2bqm/17243266051.pdf
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/3a4fbc1131c7f8304d9b4011d6ae9da6/88649575101.pdf
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/12b7ca262186c3b0f5c564d7a447bcff/36255019852.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_off0000e266.bin1436200177c2635edad2fc653a67cfe7f68ec60bc9344dc623c4ee96b358f245 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE266 | 11012 bytes |
font_01_sfnt_off0000fbc6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBC6 | 16792 bytes |
font_02_sfnt_off000113d8.bina82a3a44f0e29bea9313062b01094059130f92aa021c6274b1d2a4b21c905247 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113D8 | 17244 bytes |
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