MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it uses a browser extension installation lure to deceive users. The document contains numerous embedded URLs, likely serving as download locations for malicious payloads or phishing pages, and the presence of PDF_URI and EMBEDDED_URL firings suggest these are actively used. While no scripts were directly extracted, the nature of the lure and the detection suggest it likely facilitates the download and execution of a second-stage payload, potentially via embedded JavaScript.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://coretry.ru/uplcv?utm_term=how+to+recover+bookmarks+in+chrome+android PDF link annotation
- https://jiu-hang.com/upfiles/editor/files/vesetudovunuzegigewe.pdfIn PDF document text
- http://itps-group.com/uploadfiles/file/xazokixititulaginitiba.pdfIn PDF document text
- http://erainbowrealty.com/userfiles/file/55132541037.pdfIn PDF document text
- http://rana-international.com/userfiles/files/javerilafoxedujivunavar.pdfIn PDF document text
- https://jamurgoreng.net/contents/files/39526234512.pdfIn PDF document text
- http://rubella2.integra-sh.com/userfiles/file/56834307240.pdfIn PDF document text
- http://darangyi.com/userData/board/file/59034222668.pdfIn PDF document text
- https://belitour.ir/basefile/belitourir/files/gozaseletej.pdfIn PDF document text
- http://www.painters-restaurant.com/userfiles/file/13534560374.pdfIn PDF document text
- http://chinastom.ru/userfiles/file/sisobilavunorelavar.pdfIn PDF document text
- http://www.beautyvogue.ch/Files/file/87818587760.pdfIn PDF document text
- https://j26clean.com/upload/files/gezifofune.pdfIn PDF document text
- https://aymfly.com/aym_image/files/11501969271.pdfIn PDF document text
- https://eliteplacementagency.com/uploads/files/97899462195.pdfIn PDF document text
- https://praktijk.zorglink.nl/ckfinder/userfiles/files/sifidozipudupejokul.pdfIn PDF document text
- https://artistprasanna.com/userfiles/file/57878958247.pdfIn PDF document text
- https://crownprolaw.com/userfiles/Proj_Name/files/jamexufa.pdfIn PDF document text
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/003237f41ee9485f6d2cb3a88d893b24/muvapot.pdfIn PDF document text
- http://canxetaianhduc.com/images/file/sanabexenegijawidodejudo.pdfIn PDF document text
- http://hyunsin.net/userfiles/file/zitilibipodasag.pdfIn PDF document text
- http://resumesfromabove.com/userfiles/file/46975834430.pdfIn PDF document text
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613473cd352ab---diletalazolemefokukob.pdfIn PDF document text
- http://cualuoiskydoor.com/webroot/img/files/1255948673.pdfIn PDF document text
- http://mjacz.cz/soubory/files/goguzaveruxuvevadojin.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_off0000d754.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD754 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF6B | 10964 bytes |
SHA-256: b0c5dbdbd9b2fe73a255f35d697921838d89f342a7ca0472d2fa8060b532c777 |
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font_02_sfnt_off000108ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108AD | 20392 bytes |
SHA-256: d94b4e814b4be1a0641ab04481164f45a52c7db85b72cc19910039bc4a75500f |
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