MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as a malicious PDF by ClamAV and an ML classifier. Static analysis revealed it functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting. These links likely lead to phishing pages or further malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://123podkrovie.sk/editor_uploads/files/wonelerixatikuwinegubopub.pdf
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6dfd39d5f6---nekidabotewudid.pdf
- http://maydangson.com/vietkiendo/upload/file/84201916457.pdf
- https://daquin-ferriere.fr/userfiles/file/83206723964.pdf
- http://banphimchuot.com/userfiles/file/bijibokajagekoxe.pdf
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b40cef5593a---mokenamadezepukifamekepa.pdf
- http://cgl.lu/userfiles/files/bufovuwesejujaneta.pdf
- http://stilistspb.online/public/files/uploads/files/busavorafeto.pdf
- http://www.corazondelsol.es/ckfinder/userfiles/files/65881435048.pdf
- http://www.deco-interieure.com/userfiles/file/82678238329.pdf
- http://hotelborgodeipoeti.com/userfiles/files/22955068598.pdf
- http://langeline.com/ckeditor/upload/files/5110663040.pdf
- https://cavalier-hundezucht.ch/userfiles/file/xerokuwejedetitakusosi.pdf
- https://anglarill.net/userfiles/file/24456184692.pdf
- https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/a296db156a5e233e98336328643b89ad/sajupen.pdf
- https://familienbilstrup.dk/userfiles/file/roferanavaminulikukik.pdf
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/gj7tlj7csi9o9rhgb40lan2ofs/34684115582.pdf
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16128def272d66---nabasuvibexo.pdf
- http://pizzeriadevita.it/userfiles/files/464585873.pdf
- https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/d25efe110a099d1f22e78487e0a82b7b/42688003105.pdf
- http://kadh.kr/bobod/upload/file/2413055159.pdf
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1609a019f6c742---pafeguvibigarujozusi.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=we+took+it+for+granted
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d46f17252c---lajamovopubero.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_off0000e305.bin2caf2d76636ac806f7eca5787e967954fa2ff0279d3da8bb8e979333ea3e4d80 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE305 | 17928 bytes |
font_01_sfnt_off00011178.binb813057dcf47797727d953cebceb6e1b2ca6a08f48ce0a68388431372f63c0e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11178 | 10400 bytes |
font_02_sfnt_off000128f5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128F5 | 16792 bytes |
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