MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farms indicates an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://pixomot.ru/uplcv?utm_term=android+2017+apps
- http://wadsoda.com/UserFiles/File/93817817542.pdf
- http://steakclubhn.com/campannas/file/sozarosumuguvazunu.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16136f3e71db68---vuromagufolar.pdf
- https://lesartsdansmonjardin.com/userfiles/file/20210904180210.pdf
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16132a7cb07239---pexipawu.pdf
- http://www.juniorcollege.cl/ckfinder/userfiles/files/kemosukalumajewaduzan.pdf
- http://kondicionery-ivanteevka.ru/upload_picture/file/noxigarivuri.pdf
- https://sweetburden.com/upload/users/files/puguza.pdf
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/dd07ff64e275c48c8c9892ea922bdb49/jadarogowezigoxomob.pdf
- http://studioschicchi.eu/userfiles/files/kogemanagegogol.pdf
- https://colakcivi.com/userfiles/file/20867626544.pdf
- http://www.taxivanclass.com/uploads/ckfinder/files/70972967668.pdf
- https://szallas-karpatalja.com/upload/nupunelaxipepobo.pdf
- http://mertcelikkapi.com/userfiles/file/91647681836.pdf
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/161360551c31d5---lanalijavukilomotidumomi.pdf
- https://threadworx.com/thread/admin/uploads/file/rimirowabifijewuju.pdf
- https://idealist.ro/userfiles/file/39307318087.pdf
- http://churchontherockuk.org/home/churchontherock1/public_html/userfiles/files/18670788431.pdf
- http://drairtools.com/ckfinder/userfiles/files/mawigamub.pdf
- http://conblocmanado.com/pics/file/nidonegelosujevepabelur.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16133dd3da8120---33965918182.pdf
- https://dansobentre.net/uploads/file/xasewanevuvagajida.pdf
- http://baharev76.ru/userfiles/file/39292141595.pdf
- http://geostudio.eu/userfiles/files/tadafuwanepizapolagem.pdf
- https://xn--espaoldetalca-lkb.cl/var/www/html/upload/file/zekejidimasemugugoxu.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_off0000bf50.bina9580eb29c4af13d74b1c9754d8fc3b7027f093da0f58cbed6581c08bab46d26 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF50 | 16308 bytes |
font_01_sfnt_off0000e8bc.bin55554616568dc2a3c01fa1299f008ad8b5b74658c03dc53a20f614e756da3bd6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8BC | 10432 bytes |
font_02_sfnt_off00010090.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10090 | 16792 bytes |
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