MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs that point to various websites, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly indicate a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection further confirm the malicious nature of the file, suggesting it's a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://medvor.ru/uplcv?utm_term=phone+ki+ringtone+kaise+lagaen
- http://enotecagaribaldi.it/userfiles/files/73384584483.pdf
- https://majubesar.net/contents/files/66942114134.pdf
- http://irpuyesh.com/cache/fck_files/file/35028669363.pdf
- http://shamayachts.com/upload/file/mexanije.pdf
- http://clinicaveterinariasangiacomo.it/userfiles/files/wunikatarazezalogisudus.pdf
- https://saigonservices.vn/images/uploads/files/xulowijizemudemonogu.pdf
- http://www.uc-kushiro.net/images/library/File/50048579753.pdf
- https://biroestarsa.hu/uploads/file/70377623527.pdf
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613a48da00c78---vebet.pdf
- https://huanghecables.com/d/files/74890387035.pdf
- http://yuli-china.ru/d/files/ludodu.pdf
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161436e315f52e---joronafa.pdf
- http://nbc.ua/design/pic/file/48930668266.pdf
- https://condominiovillage.com/userfiles/file/67775679187.pdf
- http://balone.net/_upload/file///riximozurilidel.pdf
- http://mmckno2010.zkosuchdol.info/files/xasijovone.pdf
- http://www.bargiel.com.pl/ckfinder/userfiles/files/lifazenuwovepufusi.pdf
- http://cleanyachts.it/writable/public/userfiles/file/56096771492.pdf
- http://neapol-m.ru/usr/file/89061404201.pdf
- http://fantasymusic.it/userfiles/files/70873502752.pdf
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/349366456bde778eb8e9e859621e68c9/39998336015.pdf
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613c96bad253f---gofisagexuxazogeve.pdf
- http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/36723874930.pdf
- https://ikansambel.com/contents/files/vogaburisarolupiraxejanev.pdf
- http://ttmm.co.jp/ckfinder/userfiles/files/1675263579.pdf
- http://louisiana-arts.org.s150269.gridserver.com/siteuploads/editorimg/file/50200956696.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_off0000bb16.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB16 | 16792 bytes |
font_01_sfnt_off0000d328.bin46ff35f4745595e5a403fc674c766ea0e03f30a8b9ec425f3c1b7c56fefe7a6d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD328 | 18432 bytes |
font_02_sfnt_off0001029e.bin50892cfb4239f5bccff4444934ede11c9476910856bf8e1eb6f681056e49ced8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1029E | 10480 bytes |
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