MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous URLs, many of which are hosted on compromised or disposable domains, suggesting a link farm or phishing lure. The presence of PDF-specific heuristics like 'PDF_URI' and 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports the conclusion that this document is designed to redirect users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://crewmak.ru/uplcv?utm_term=pediatric+emergency+medicine+secrets+3rd+edition+pdf PDF link annotation
- http://valsadindustries.com/userfiles/file/38642844151.pdfIn PDF document text
- http://yourhealthyanswer.com/ckfinder/userfiles/files/95840561718.pdfIn PDF document text
- https://mk-sito.it/uploads/file/tatilame.pdfIn PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/gsh99kebanckl3tfch4g1v8fpk/50467789563.pdfIn PDF document text
- https://monamifrance.com/FileData/ckfinder/files/20210718_92768DF3B2D0DF1C.pdfIn PDF document text
- http://www.valathors.com/ckfinder/userfiles/files/velazumo.pdfIn PDF document text
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/14d88cff909fd18c4647ecf9def2ee4b/9128809822.pdfIn PDF document text
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/c1416ceb573a68687ac4fb2e8677f55a/78366395706.pdfIn PDF document text
- https://mylodge-naoshima.com/wiguvorowowubejadu.pdfIn PDF document text
- http://kowel.com/ckfinder/userfiles/files/1625025681.pdfIn PDF document text
- http://eventcompany.org/clients/e/e3/e30ef11cf4efe639fe6592aa37b9cb94/File/kijatu.pdfIn PDF document text
- https://renesens21.com/ressources/upload/files/17743516833.pdfIn PDF document text
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081c21569d9b---30202750017.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/912480bff565887fc929541fe3f7bca5/57914605121.pdfIn PDF document text
- https://pezenasenchantee.fr/userfiles/file/zobuzosoz.pdfIn PDF document text
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/fc57f77e45c40c405eda25b80a07c902/58495653611.pdfIn PDF document text
- http://fashioneducation.ru/userfiles/file/86292571905.pdfIn PDF document text
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/a728fba8d9cc1653d9ad367a3dc05431/jesosusof.pdfIn PDF document text
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/m32ov4tvph7cakgnqmg544fgpq/34678328946.pdfIn PDF document text
- http://tort-art.ru/userfiles/file/57683384978.pdfIn PDF document text
- http://kalkulacka-hypo.cz/userfiles/files/ruregekud.pdfIn PDF document text
- http://www.annaleehuber.com/content_files/file/7591658882.pdfIn PDF document text
- https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160a5877831801---mibutenozavevuta.pdfIn PDF document text
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160848135948b2---6138657317.pdfIn PDF document text
- 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_off0000d71c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD71C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF2E | 17920 bytes |
SHA-256: 4c1db17e68037e8d19b54b7e5917032281646768f42eda9ece1de568835c7f7a |
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font_02_sfnt_off00011da1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DA1 | 11204 bytes |
SHA-256: 19267b83269fe62c154ee7e53bedfca3ad0dc434199a2e631029b561b6f2b072 |
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