MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to disposable hosting, suggesting a link farm or phishing lure. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely provides instructions to decrypt a password-protected archive, a common tactic to bypass gateway security. While no scripts were explicitly extracted, the ML classifier and ClamAV detection strongly suggest malicious intent, likely involving the download of a second-stage payload via one of the embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9927
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://drafthe.ru/uplcv?utm_term=contre+sainte+beuve+pdf+gratuit PDF link annotation
- https://millersexpress.com/userfiles/file/muzep.pdfIn PDF document text
- https://chorland-dining.com/webroot/editor-uploads/files/povip.pdfIn PDF document text
- http://dlzhrjd.com/images/uploadfile/files/daxegekipizunuziwiru.pdfIn PDF document text
- https://gotoko.com/cmsv2/upload/files/17809988164.pdfIn PDF document text
- http://stfurnimart.com/file_media/file_image/file/medugasipu.pdfIn PDF document text
- http://beverleyannes.net/home/beverley/public_html/ckfinder/userfiles/files/xezozim.pdfIn PDF document text
- http://www.bufolari.com/public/immagini/file/gesosumuva.pdfIn PDF document text
- http://bjerkelunden.org/content/files/userfiles/file///nigebuzuvulipuju.pdfIn PDF document text
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/308852ef31a43a8f0e8866d4f3fb1ee2/3068785517.pdfIn PDF document text
- https://www.iieng.org/editor/ckfinder/userfiles/files/69766530641.pdfIn PDF document text
- http://geredekombiservisi.com/userfiles/file/vidibuwelibijumeporusa.pdfIn PDF document text
- http://yuhao-tech.com/userfiles/file/babitozokibipazup.pdfIn PDF document text
- https://suacuachuyennghiep.com/uploads/files/67930714555.pdfIn PDF document text
- http://lapenya.cat/imgjovesnaves/file/lanapufaroxitekiza.pdfIn PDF document text
- http://ddservice-bmw.pl/userfiles/file/dibejibuvod.pdfIn PDF document text
- http://vatlieubaooncachnhiet.com/userfiles/file/95348883601.pdfIn PDF document text
- http://xn--90aoa5aj.xn--p1ai/ckfinder/userfiles/files/kifunalojobojokemovag.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16137ddcd7682d---zefifugejelivawiziga.pdfIn PDF document text
- http://kommunikator.nu/demo/userfiles/file///bebegirumiparabufuzixus.pdfIn PDF document text
- https://globaldreamindia.com/webcms/file/rarugumefatujenevunugipo.pdfIn PDF document text
- http://www.ags-sib.ru/ckfinder/userfiles/files/naselizadavelegifin.pdfIn PDF document text
- http://idroter.org/userfiles/files/48353353591.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011b73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B73 | 24824 bytes |
SHA-256: c0fae74628b831f9c0bf8bf776ef5bfdafed663f37ca0649d9cd15005980d3dc |
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font_01_sfnt_off000158bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x158BD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000170d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x170D4 | 10964 bytes |
SHA-256: 3ca055ef54c2b5c892c0aa78cfd39ead191f0fa94e7900dec7806cbd1ee45021 |
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font_03_sfnt_off00018a08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18A08 | 16796 bytes |
SHA-256: bbc011e3b67b11f38d42847520d39e13ab427c53dde8d7d64c7807392334bc18 |
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