MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for malicious PDFs to execute actions. This script likely redirects the user to external URLs, as indicated by the PDF_URI heuristic and the numerous external URLs found. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggests these URLs are part of a link farm, potentially for SEO manipulation or to host further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent.
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://infrive.ru/uplcv?utm_term=naruto+ultimate+senki+3 PDF link annotation
- http://apisicul.com/userfiles/files/zaxiwozanimixoluv.pdfIn PDF document text
- http://geostudio.eu/userfiles/files/zaxaxufulomo.pdfIn PDF document text
- http://dakmet.pl/upload/58978946285.pdfIn PDF document text
- http://rfinshaat.az/userfiles/file/86847370174.pdfIn PDF document text
- http://cppzone.ru/users/blogs/file/wajefuwepukuv.pdfIn PDF document text
- https://accounting789.com/ThImg/file/97121101950.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/pivokider.pdfIn PDF document text
- http://euro520.net/userfiles/file/1630588653402424267.pdfIn PDF document text
- https://www.prshots.com/ckfinder/userfiles/files/85387724587.pdfIn PDF document text
- https://groupekheidri.com/ckfinder/userfiles/files/11938700181.pdfIn PDF document text
- https://mn-lawfirm.com/box/userfiles/file/lunevedotosafozararo.pdfIn PDF document text
- https://www.ventisilva.com.br/ckfinder/userfiles/files/mofolesesuvika.pdfIn PDF document text
- http://e-cluny.cz/UserFiles/file/xavirakakur.pdfIn PDF document text
- http://s13cf5ef.alojamientovirtual.com/ropadefutbolbarata/userfiles/file/38241051951.pdfIn PDF document text
- https://maribon.net/app/webroot/files/userfiles/files/98227396555.pdfIn PDF document text
- http://arebiatours.com/uploads/files/29169238581.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16152ce3387566---41309162628.pdfIn PDF document text
- http://montpellier-business-plan.eu/mbp/upload/images/images/upload/ckfinder/tagijupopufeso.pdfIn PDF document text
- https://bgg.pirkitpadangas.lt/ckfinder/userfiles/files/pikoveze.pdfIn PDF document text
- http://honderhotel.com/UploadFiles/FCKeditor/20210909015952.pdfIn PDF document text
- http://apexibd.com/uploads/fck_uploads/file/4532642267.pdfIn PDF document text
- http://idealthailand.com/file_media/file_image/file/dorakidexufuluxugelujalof.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16134e64035911---kodogazetudu.pdfIn PDF document text
- http://kyea.org/imageuploads/dorefotalotadimidofa.pdfIn PDF document text
- http://park-seversk.ru/other/js/ckfinder/userfiles/files/musinekajuzude.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_off0000c2c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2C1 | 10612 bytes |
SHA-256: 548347e3055aa0ecd077e6e0797b7ac996aaa0d8be9df59f1a5e191af9360d34 |
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font_01_sfnt_off0000db0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB0D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f31f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF31F | 20864 bytes |
SHA-256: b47f40ef36e0a688c6c74b34e99404b3b7e55192016333d7335b1c02fe7dbfb2 |
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