MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous links pointing to compromised websites and disposable hosting, suggesting it functions as a link farm to distribute malicious content or conduct phishing. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics indicates a deliberate effort to obscure the true destination of the links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://daimarconstrucciones.com/images/admin/file/23096689948.pdf
- http://canigrup.com/userfiles/file/99053932304.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/3a10a7715d62e67c92225e11c23a83dc/33703273069.pdf
- https://denizlihorozu.com/resimler/files/nonitalogikow.pdf
- http://arunimaflavours.com/userfiles/file/mutoxesazuvifurozurog.pdf
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/335008510e88cecc659715aa79a16c8e/didokigezuwudu.pdf
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bf379b2c2f---weginovijirugekexeratikor.pdf
- https://kham.vn/userfiles/file/samoxexipaliwevodoki.pdf
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16078e016c16a3---sorabotuvizowisemo.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160894cdbc453b---kobodosoguxax.pdf
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/6f28572915db06817f16292892c9f632/tatajurujuzevafuzaxufose.pdf
- http://simonhoirup.dk/userfiles/file/13284071778.pdf
- http://ahcxdq.com/uploads/file/290815144649.pdf
- https://anmimar.com/royal/userfiles/file/sawujefonuxoxupeladodujex.pdf
- https://hkbca.org/UploadFiles/file/20210624052532124.pdf
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/ccc0a8gg9g6ngdnk683ao5mes1/19719377061.pdf
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/03676ebb3d4c1180311ce91e74f81f52/34787344463.pdf
- https://bibliotheque-des-arts.com/ckfinder/userfiles/files/dawaruxanonejofebugumifo.pdf
- https://diaspoassur.com/wp-content/plugins/super-forms/uploads/php/files/dbfe1b9403c86f5a75af0f1a5039095c/pigemob.pdf
- http://vtvxm.vn/userfiles/file/57676027813.pdf
- http://icmasistemas.com/userfiles/files/gamokip.pdf
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d010e0506a---gerupalubebonikixi.pdf
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/1gpp0n6vo7ouqmh5sj7r92t12n/munogimugosiwatavoze.pdf
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/u0hmflmlo9omblukhgv17eknnk/zigibokijibujoxag.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=money+is+no+object
- 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_off0000d705.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD705 | 16792 bytes |
font_01_sfnt_off0000ef1c.bin5a9f62e6fb122e30572fb1332588ea729767057f959350d26e86098463ba0083 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF1C | 10292 bytes |
font_02_sfnt_off00010675.binb80b24bdf551699a5495c7f49c81cee133a9a8d0a13f11fc47d457dc061be659 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10675 | 16380 bytes |
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