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 code. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic and the numerous extracted URLs suggest a link farm designed to redirect users, likely to a phishing site or to download further malicious content. ClamAV detection further confirms its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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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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://cesiedizioni.com/userfiles/file/gipofefev.pdf In PDF document text
- http://studioboscono.it/userfiles/files/81362323168.pdfIn PDF document text
- https://hoangphatdanang.com/uploads/image/files/33846011598.pdfIn PDF document text
- http://dietaltop.com/userfiles/files/52035027769.pdfIn PDF document text
- https://nbc.com.vn/ckfinder/userfiles/files/dutuwilovudilusik.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613e8dae2547d---83129678639.pdfIn PDF document text
- http://mskabel.cz/UserFiles/File/57661487509.pdfIn PDF document text
- http://grandrosso.com/js/upload/files/rowefawavagubajutiraxowal.pdfIn PDF document text
- http://kiko168.com/UploadFile/file/20210905173754090.pdfIn PDF document text
- https://drjou-vc.com/upload/files/vadedexojanolabolifusow.pdfIn PDF document text
- http://taiwangallant.com/uploads/files/202109031425208688.pdfIn PDF document text
- http://zhouzhuanx.com/v15/Upload/file/202195114521734.pdfIn PDF document text
- https://art4you.sk/editor_uploads/system/files/mulamanubuv.pdfIn PDF document text
- http://edilcfcostruzioni.com/userfiles/files/71615622857.pdfIn PDF document text
- http://maturitni-ples.eu/UserFiles/File/basofubanemilesukowowowid.pdfIn PDF document text
- http://honeystraw.com/uploadfiles/file/vonetigepamosorekexifoseb.pdfIn PDF document text
- http://sutipatika.hu/userfiles/files/73805391051.pdfIn PDF document text
- http://extrastyle.ee/ckfinder/userfiles/files/45996904854.pdfIn PDF document text
- http://kanomax-nsk.ru/images/32047089945.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/ta6739fa5g4g0lobl827bgfu2u/rirowedotizuxariludalexa.pdfIn PDF document text
- http://altadirezione-consulting.it/userfiles/files/begel.pdfIn PDF document text
- http://longvu.vn/Images_upload/files/piwilixidovilole.pdfIn PDF document text
- https://threadworx.com/thread/admin/uploads/file/70029692803.pdfIn PDF document text
- http://tl-maskinfabrik.dk/userfiles/file/16838982371.pdfIn PDF document text
- https://hotararicedo.ro/files/files/walazewexedot.pdfIn PDF document text
- http://bassbasement.org/userfiles/file/1941607513.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=best+mobile+movie+streaming+sitesPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000da7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA7D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f294.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF294 | 10712 bytes |
SHA-256: 16e0d516bc48016cdf5162b93f60256fcefb660ed4c016a2efc3aa6a341875c5 |
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font_02_sfnt_off00010b37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B37 | 16852 bytes |
SHA-256: f64fce4320ff86236f5abd962ff9a24f1f6e2185ebe12573cfdeaa134112ed2c |
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