MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a non-clustered link farm on disposable hosting, further supporting the phishing or malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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 https://catamma.ru/uplcv?utm_term=paraiso+travel+libro+pdf+gratis PDF link annotation
- https://livres-arts.com/ckfinder/userfiles/files/30071216089.pdfIn PDF document text
- http://caudafotografia.com/userfiles/files/zezesare.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cf940533d91---silebik.pdfIn PDF document text
- http://tajeer.co/userfiles/file/pifotebodov.pdfIn PDF document text
- http://hasici-pristroje-eshop.cz/files/file/1181924543.pdfIn PDF document text
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160928d11c2890---1342615396.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080d8eb3c45d---nesujonugutegoxo.pdfIn PDF document text
- http://abwrosedale.com/uploads/files/vegoxaletokametulukuxase.pdfIn PDF document text
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/6ddd8f4d588cb04ca9987b3171cb1031/87521701682.pdfIn PDF document text
- http://www.nena-artspace.com/ckfinder/userfiles/files/74493489880.pdfIn PDF document text
- http://xn--h1aaebajlcgx.xn--p1ai/sadm_files/piwexepuvuvu.pdfIn PDF document text
- http://jan-fotografie.nl/upload/files/65872767244.pdfIn PDF document text
- https://tepihtrava.rs//files/21301029009.pdfIn PDF document text
- http://roseeskin.com/userfiles/file/20210829184855.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/l9bd8g2bqlh2v0i8lg3b1ppvh4/fazepimune.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f9329abd0d6---15503620248.pdfIn PDF document text
- http://hondaototanan.com/upload/files/66402271013.pdfIn PDF document text
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/16080d2599663d---pizumajulowomesedujelav.pdfIn PDF document text
- http://fbchitchcock.org/clients/8/8b/8bdff38a390027835eb24981312b950c/File/zadomogegarafejonizanu.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_off0000ac72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC72 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c484.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC484 | 15420 bytes |
SHA-256: 318a7dcb2820ef2c7ce0547625f859320561c00c108f3da2d246613a4c6b43bd |
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font_02_sfnt_off0000eb8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB8E | 10776 bytes |
SHA-256: 1a1ed88e691cecdb2f1a3b5ad396a3999fce95fdf4c5d0d29f09e21356a16809 |
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