MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and numerous external URIs, many of which point to disposable domains, indicating a link farm designed to obscure the final destination. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery. The embedded JavaScript is a common technique for exploiting PDF vulnerabilities or redirecting users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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://101doctor.com/uploads/ckfiles/files/6138e29201489.pdf In PDF document text
- https://dukeofmarshall.com/ckfinder/userfiles/files/fomemosef.pdfIn PDF document text
- http://air-con.ru/upload/files/donosidobawade.pdfIn PDF document text
- http://aotwcasino.com/ckfinder/userfiles/files/rotadoxozetazivenupusakov.pdfIn PDF document text
- http://vesimport.ru/userfiles/file/52975454904.pdfIn PDF document text
- https://www.singaporemedicalclinic.com/ckfinder/userfiles/files/97178003102.pdfIn PDF document text
- http://madmojo.com/fckupload/file/94392604004.pdfIn PDF document text
- http://happyland-nsk.net/ckfinder/userfiles/files/beveseladin.pdfIn PDF document text
- http://pneusmarene.it/images/file/bodowap.pdfIn PDF document text
- https://pikhospital.com/ck_uploads/uploads/files/keves.pdfIn PDF document text
- https://excellencetogether.com/img/files/file/53632452345.pdfIn PDF document text
- http://markone-tools.com/upload/files/88651007980.pdfIn PDF document text
- http://fuyu.010bi.com/ckfinder/userfiles/files/buzepunadadukewusixiwu.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/0ab8e616b823bb2882635123abb4b547/27338951789.pdfIn PDF document text
- https://agriplan-rs.com/dados/ckfinder/files/xatemowusasisemavef.pdfIn PDF document text
- http://wksystems.net/HotelEstimator/userfiles/file/lilibumekirogosiburoxibat.pdfIn PDF document text
- https://hanomanberjaya.com/contents/files/debajix.pdfIn PDF document text
- http://gidromall.ru/img/uploads/file/nuwojixejujewaru.pdfIn PDF document text
- https://semut73.com/contents/files/45318377869.pdfIn PDF document text
- http://ppogrimall.com/upload/editor_image/file/13008261674.pdfIn PDF document text
- http://esrafisek.com/images_upload/files/25413146836.pdfIn PDF document text
- http://sinostandards.net/upload/files/konozub.pdfIn PDF document text
- http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/felopizerabubo.pdfIn PDF document text
- https://ezgoe.com/10005001208290177/ckfinder/userfiles/files/jelewig.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=name+of+jungle+book+snakePDF link annotation
- 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_off0000b560.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB560 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cd72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD72 | 15432 bytes |
SHA-256: dd5bbc473f595fc03381841184d451c8402f7333e5bbc76df442f6c0112a01d8 |
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font_02_sfnt_off0000f482.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF482 | 10708 bytes |
SHA-256: f5ae1a888ebe3826b6a14d33155d5d31dededf2f9ae4740a2cfb2dd32f9e0bb0 |
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font_03_sfnt_off00010d18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D18 | 17096 bytes |
SHA-256: 31a1b081fa3088af171d603d66ab1f93d34d89b78e3469ad0e62ede2194a29fb |
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