MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV and an ML classifier as malicious, with heuristics indicating it functions as a link farm. Multiple external URIs were extracted, pointing to various domains that likely host further malicious content or phishing pages. The presence of PDF_SEO_DISPOSABLE_LINK_FARM suggests a deliberate attempt to obscure the true destination or distribute malware through a network of seemingly unrelated sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 5
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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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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://medvor.ru/uplcv?utm_term=best+writing+apps+android PDF link annotation
- http://lev-steklo.ru/userfiles/file/xulidef.pdfIn PDF document text
- http://motovelo-nmsk.ru/userfiles/file/danakiwulojewuvotu.pdfIn PDF document text
- http://knauto.com/upload/file///zegomepadenazipix.pdfIn PDF document text
- https://uzmanwebci.com/calisma2/files/uploads/835471664.pdfIn PDF document text
- http://vinhthuan.com/upload/files/vameninikupixeso.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/nuwepuzo.pdfIn PDF document text
- http://soc-in.com/data/media/files/xalupurog.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/16137659f93f72---7083764399.pdfIn PDF document text
- https://venus-forever.com/image/files/xotukavisavanuxobefopil.pdfIn PDF document text
- https://qeyeoptical.com/ckeditor/ckfinder/userfiles/files/dididowekoditosodaj.pdfIn PDF document text
- http://fpole.ru/sadm_files/5065912748.pdfIn PDF document text
- http://www.coverseg.com/uploads/ckfinder/files/zivuvilumovugojuxemuxad.pdfIn PDF document text
- https://nbcmedia.vn/ckfinder/userfiles/files/ruvepujexamibare.pdfIn PDF document text
- http://santamariamikado.com/uploads/files/niwujepixomaxikuloga.pdfIn PDF document text
- http://goldsunjsc.com/upload/files/78609943564.pdfIn PDF document text
- http://scuderieverdina.it/scuderia/userfiles/file/28262307259.pdfIn PDF document text
- http://dija.lv/public/userfiles/file/20765397406.pdfIn PDF document text
- http://sarica.com.tr/ckfinder/userfiles/files/22781945208.pdfIn PDF document text
- http://goodlife88.com/uploads/files/fowowijovodega.pdfIn PDF document text
- https://aiwcecckolkata.org/FCKeditor/file/4498266705.pdfIn PDF document text
- https://ambalatender.com/upload/files/loraxiwogivawazosisawu.pdfIn PDF document text
- http://dailitara.lt/bites/uploads/file/wegebofopujudine.pdfIn PDF document text
- http://grandinhr.eu/images/user/file/94092845110.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_off0000ec94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC94 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000104ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104AB | 10660 bytes |
SHA-256: 377458324488238542ab8cd93fd8ed1688d1c0063cb6ad7acea400cf2bd25ec5 |
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font_02_sfnt_off00011d19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D19 | 17180 bytes |
SHA-256: d5026e8b006eb8743398015552c7b4893cb9a0d8e6cd961b56089fb75932302f |
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