MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains multiple heuristics indicating it's a link farm pointing to compromised WordPress sites, with a high ML classifier score and ClamAV detection confirming maliciousness. The embedded URLs suggest a phishing or malware distribution attempt by directing users to potentially compromised domains. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/ede3da070b06d5ddab6ced1e1d475b0e/zifiraragisitisexanukuge.pdf In PDF document text
- http://irvine.songhakbbq.com/uploads/files/sigofogitadiva.pdfIn PDF document text
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/40e34a0511dc6eb4f931af7443c9b984/75283540679.pdfIn PDF document text
- http://jlsxjy.com/right/UploadFile/file///2021090600391073499.pdfIn PDF document text
- https://inwestorfinanse.pl/userfiles/file/81360334508.pdfIn PDF document text
- http://ingegneriarossi.it/userfiles/files/pifezosugoki.pdfIn PDF document text
- http://7seapharmtech.com/Uploadfiles/files/takefomawi.pdfIn PDF document text
- http://moretonassets.net/userfiles/rulereweropejosegitutaj.pdfIn PDF document text
- http://nbmounts.com/userfiles/file/1631495062.pdfIn PDF document text
- http://artvideo74.ru/upfiles/files/51366149153.pdfIn PDF document text
- http://greddy.com/admin/common/ckfinder/userfiles/File/xonagolamom.pdfIn PDF document text
- http://a-b-i-s.net/layout/bilder/file/76876054438.pdfIn PDF document text
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/imvq5qr7nchhciedaakurkn79e/zugagur.pdfIn PDF document text
- https://wineuniverse.us/userfiles/file/buzoxivapet.pdfIn PDF document text
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/16136479e34936---88460824839.pdfIn PDF document text
- https://www.dooleysnaturalgas.com/ckfinder/userfiles/files/gelufewovuvulosafedilir.pdfIn PDF document text
- http://narnivet.com/userfiles/files/51662350088.pdfIn PDF document text
- http://graviroz.hu/ckfinder/userfiles/files/4812488532.pdfIn PDF document text
- http://zeminyerkaplama.com/upload/ckfinder/files/ribugawinelesuf.pdfIn PDF document text
- http://esteticka-stomatologie.cz/files/content/file/74094041943.pdfIn PDF document text
- http://scouttautomotive.com/editor_uploads/system/files/tupupopamidizodovenaxe.pdfIn PDF document text
- http://imcborivali.org/userfiles/file/69873321926.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=android+textbook+appPDF 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_off0000ec9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC9F | 17180 bytes |
SHA-256: 2307059e0b2e52bb44396c526cf5107d6f02f60d4667584a83dbb1762a3381f0 |
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font_01_sfnt_off000118f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118F2 | 10484 bytes |
SHA-256: c2dc9c5651c6807e6d20597ec5c9f7b425c2a218bb9f0d2aba0c33f1a9a88baa |
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font_02_sfnt_off000130ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130AD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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