MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript and a large number of external URIs, many of which point to compromised websites or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is designed as a link farm, likely to direct users to malicious sites. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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=hacking+with+android+no+root PDF link annotation
- http://flightshop.jp/images/blog/file/7223861581.pdfIn PDF document text
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/800c2f6b0cff7af02574e6d8b9aac29b/sorosepuvokedido.pdfIn PDF document text
- https://www.vek-bg.com/app/templates/js/ckfinder/userfiles/files/mejov.pdfIn PDF document text
- http://studio5r.com/userfiles/files/jefofibuxil.pdfIn PDF document text
- http://lyzph.com/userfiles/file/Fl202109050302097961.pdfIn PDF document text
- https://manage3.realtourvision.com/rtv/ckfinder/userfiles/images/files/ziduzufewod.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613b62925282b---95456295217.pdfIn PDF document text
- http://www.morrisjones.co.uk/EditorImages/file/zevubexegijufi.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/5df6d02170bd2140a38b34b432c7401a/dikudoxidawugilopoju.pdfIn PDF document text
- https://soechi.net/userfiles/file/166586464.pdfIn PDF document text
- https://legouic-peinture.fr/userfiles/file/vegududulafozulakegukewal.pdfIn PDF document text
- https://amoslodge10-org.alljobsinliberia.com/ckfinder/userfiles/files/9645197816.pdfIn PDF document text
- http://villa-carlshorst.de/sites/default/files/file/lefup.pdfIn PDF document text
- https://rizecanreklam.com/images/file/vidiwusemoturolakezije.pdfIn PDF document text
- http://lideparts.com/userfiles/file/1630623052.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614811881e269---79561708933.pdfIn PDF document text
- http://greenmodels.ru/uploads/files/pibezajuwumalop.pdfIn PDF document text
- https://yomadesign.com/userfiles/Proj_Name/files/1395379163.pdfIn PDF document text
- https://3visiontech.com/piceditor/file/88888054692.pdfIn PDF document text
- https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/3s07oq55jvbbjamqa5ie7kuqk2/xiwunifutomukapot.pdfIn PDF document text
- https://vjlabor.pitscovn.com/uploads/Upload/files/3633356434.pdfIn PDF document text
- http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lufisasifu.pdfIn PDF document text
- http://arnoldbolingbroke.com/ckfinder/userfiles/files/32423355338.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b23f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB23F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ca51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA51 | 15196 bytes |
SHA-256: 95ed3f2ffbee9c19011aa65e3af1908196bc161741dd59f5b93c941594ed464a |
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font_02_sfnt_off0000f077.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF077 | 10472 bytes |
SHA-256: 2415b063ec8e512650ac79ee2a04951cec8f1dc1263cf7b49fe2c704a875f978 |
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