MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The presence of multiple PDF-specific heuristics related to URI and link farms supports this conclusion.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://chcial.ru/uplcv?utm_term=eggplant+scientific+name+and+family
- https://cryptoshift.be/anaeter_capital/siteadmin/userfiles/files/xanaxifipu.pdf
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/160c94bf364b31---31001870390.pdf
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/iqtp5hfbenga2fmi7qvsn2oo9h/mujiterel.pdf
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1606d19bf0f462---besavaxeka.pdf
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606efb3353a1f---pepexezitukufo.pdf
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072a382cad04---rufulisawurorejotume.pdf
- http://exclusivelimoservice.com/ckfinder/userfiles/files/22880105941.pdf
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/16080317a219da---lupofakuto.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dc759e17a86---81237916875.pdf
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077420206d8c---gifemekurutajakal.pdf
- http://resetimpianti.it/reset/public/file/movima.pdf
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/16080a97e12f47---bepamofexuwiv.pdf
- http://e-kva.ru/admin/ckfinder/userfiles/files/fikodoruwisimumobuwo.pdf
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd971dc460a---5972610773.pdf
- http://xn--2-140-swe8h.xn--p1ai/files/5311335362.pdf
- https://wendi101.com/userfiles/file/40895847843.pdf
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/597d01426bca6853093658e4ece1be59/16588523484.pdf
- https://circolodelpistone.ch/userfiles/file/8950897102.pdf
- http://hrzservices.com/uploadfiles/file/milukuvexudidigez.pdf
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609e5588f0f1b---95923598597.pdf
- https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/bde7fb98a24908098aa3f0fe0104e309/sonipilomafam.pdf
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085dc7607dfa---gezuzisup.pdf
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608872772a61c---luxeminazowanipuno.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_off0000ebb0.bina682d90492d4fa2a25630197315ca0ddc89ad1865b18e8b1fbb45d00494a1e1e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBB0 | 17520 bytes |
font_01_sfnt_off0001199e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1199E | 16792 bytes |
font_02_sfnt_off000131b5.bind96fba33c2d20d18c0c9c9de15b1ecc5a95f28955b2f965abbb92449422379fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131B5 | 10840 bytes |
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