MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised WordPress sites or disposable hosting. While no scripts were explicitly extracted, the nature of PDF-based link farms often involves embedded JavaScript to facilitate redirects, hence the inclusion of T1059.007.
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 http://j1medical.com/uploaded/file/19553398132.pdf In PDF document text
- http://lnianemarzenie.pl/userfiles/file/bixesagefovulevutekelevor.pdfIn PDF document text
- https://numen-wow.com/userfiles/cloud//files/banuzatisefab.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f6b88b9ac07---76245465794.pdfIn PDF document text
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608f80775028c---92579688821.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dba7481c83---towadegaxesezemi.pdfIn PDF document text
- https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/82a9a0723286d11f2508f019a71058c4/nilekedarafunikoporori.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16082219d5c30e---sirukos.pdfIn PDF document text
- https://beauty-full.ru/uploads/files/xulunutulipi.pdfIn PDF document text
- https://fallsplat.se/file/denogugigulaxavere.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/5cb4b12e240ed8ea4ea46236835dd6d1/2427427228.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a8071ce208b---bukokanonafer.pdfIn PDF document text
- http://bigband-ulm.de/userfiles/files/xipunubugelotod.pdfIn PDF document text
- http://pwmtqatar.net/userfiles/file/87325717484.pdfIn PDF document text
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607328fdae3a6---51212364383.pdfIn PDF document text
- https://ildiko-szepsegszalon.hu/userfiles/file/sozitasabedemariduveg.pdfIn PDF document text
- https://suacuasathcm.com/uploads/files/70128123773.pdfIn PDF document text
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160b45b23ede55---suwomazexivesomesadiwesuk.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/a52c9d728b10f3441348c58f8acf9e75/lagipusomunafarabubevis.pdfIn PDF document text
- https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/a5ca1d2f37c8421de39b80923f4008c7/7829554847.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/57d28082212f62d2fbafd2afdea4fd7d/48935614887.pdfIn PDF document text
- http://atenngo.com/admin/sites/site/documents/monokesukorekesafux.pdfIn PDF document text
- http://e-motyle.natura2000.pl/imgturysta/files/gowowesaferewiref.pdfIn PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a9c0f9859b5---sosejilugokonosix.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=virtue+ethics+definition+pdfPDF link annotation
- 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_off0000f159.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF159 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010970.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10970 | 10580 bytes |
SHA-256: fd9c096d4d0c4725136141bb7475b7641590dc15c05cd372848ec821d1cbfd21 |
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font_02_sfnt_off00012192.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12192 | 17812 bytes |
SHA-256: 55ec9d5081b1ef857d4f1a681238174e70fbd968eb030d8ed1e04c22dd565581 |
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