MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document's purpose is to act as a link farm, likely to distribute malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://irlanc.ru/uplcv?utm_term=innovation+and+creativity+self+appraisal+comments PDF link annotation
- https://www.kuwaitpolyurethane.com/ckfinder/userfiles/files/46868389345.pdfIn PDF document text
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/1a5h92fhv6h7gl5ps3ht9urma3/sexalupazigonodawuxijojud.pdfIn PDF document text
- http://jiuxingchaoshi.com/uploads/file/052210387696.pdfIn PDF document text
- http://domadoma.cz/userfiles/file/43879767760.pdfIn PDF document text
- https://tonicsuitemusic.com/userfiles/files/86177545866.pdfIn PDF document text
- http://hingliltd.com/userfiles/36972189198.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/34d1974b93e56b09bde94c1aaea178ea/29075889375.pdfIn PDF document text
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614c9c431143f---63816236328.pdfIn PDF document text
- http://p-energo.ru/content/file/tokoxowi.pdfIn PDF document text
- https://arab-hams.com/Ups/files/fepotexetimokuzerod.pdfIn PDF document text
- http://dallard.fr/ressource/site-image/files/60103368073.pdfIn PDF document text
- http://amsaneeraus.fi/userfiles/files/fobasedekudaja.pdfIn PDF document text
- https://thuanxuongmonmb.com/admin/webroot/upload/image/files/53598258478.pdfIn PDF document text
- https://synersys.fr/contenu/file/rejixedodidimorewe.pdfIn PDF document text
- http://abwcoliseum.com/uploads/files/98364598523.pdfIn PDF document text
- http://kanomax-nsk.ru/images/webumilasoba.pdfIn PDF document text
- http://tdsns.ru/userfiles/file/diponewekadevoto.pdfIn PDF document text
- http://mauchlineware.com/html/chapelstreet/web/userfiles/files/mimimumen.pdfIn PDF document text
- https://moveo-sport.pl/userfiles/file/zulakubakikivifulet.pdfIn PDF document text
- http://narcisse.sk/editor_uploads/files/gexigibejiwemosem.pdfIn PDF document text
- https://mygoaltv.com/ipp/images/uploads/files/pewibedomuvoga.pdfIn PDF document text
- http://www.badischer-kunstverein.de/ckfinder/userfiles/files/76772668397.pdfIn PDF document text
- https://deesudcoolingtower.com/userfiles/file/68246959043.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_off0000b146.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB146 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c95d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC95D | 10912 bytes |
SHA-256: 364ec8560f75cf316b6c6b0b73a2cb28a1dc04ee7dbdd8a003f1691d08231bc1 |
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font_02_sfnt_off0000e2a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2A1 | 15476 bytes |
SHA-256: d1c5442d7401fb90d3ebc048cb786995879ed3c0607b50ce5ed426ae35b68121 |
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