MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and is identified as a phishing lure, likely intended to trick users into clicking a link. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded JavaScript is likely responsible for redirecting the user to a malicious URL, which is a common technique for delivering further payloads or leading to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 7
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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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://vcubusinesssolutions.com/userfiles/file/pujojiwixurubimiz.pdf In PDF document text
- http://thedewakohchang.com/image/upload/File/owododotimozajawo.pdfIn PDF document text
- http://pi-consulting.ch/download/40331341343.pdfIn PDF document text
- http://www.msjcongregation.org/www/js/ckfinder/userfiles/files/61778719516.pdfIn PDF document text
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/16142b8457e23d---zoxuxazosov.pdfIn PDF document text
- http://shriadinathbank.com/uploads/waxidarazitikubefeg.pdfIn PDF document text
- https://salvamontbihor.ro/app/webroot/files/userfiles/files/ximoxusu.pdfIn PDF document text
- http://congtrinhnhaviet.vn/upload/files/vutes.pdfIn PDF document text
- http://srcchaika.ru/files/uploads/files/82056005022.pdfIn PDF document text
- https://ambient-interier.cz/files/files/91804913999.pdfIn PDF document text
- http://furnitura-syndicat.ru/ckeditor/ckfinder/core/connector/php/uploads/files/7770027052.pdfIn PDF document text
- https://www.tristar-technology.com/ckfinder/userfiles/files/buwifizatut.pdfIn PDF document text
- https://salvatoredivilio.it/userfiles/file/97695747905.pdfIn PDF document text
- https://em.heephong.org/ethnicminorities/cmsadmin/ckfinder/files/20659169992.pdfIn PDF document text
- http://recepti.plovdivweek.com/js/ckfinder/userfiles/files/93738531134.pdfIn PDF document text
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/a55e6c978b2815e946fade71d1d84c24/17300006898.pdfIn PDF document text
- http://studio-castiglioni.com/userfiles/files/rarirexufewezuzo.pdfIn PDF document text
- http://lakshimi-kaatsu.com/user_data/packages/default/imgfiles/gazekefidoxirobux.pdfIn PDF document text
- https://rlmahtani.com/userfiles/files/11949970516.pdfIn PDF document text
- http://mabo-meccanica.eu/userfiles/files/75752339990.pdfIn PDF document text
- https://cosmopolitanhotel.eu/uploads/wysiwyg/files/99274584936.pdfIn PDF document text
- https://voziky-paletove.cz/mctree.cz/pictures/other/files/zijupepixolevuvalub.pdfIn PDF document text
- https://frigosztufi.ro/ckfinder/userfiles/files/28292156394.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=meaning+of+structuredPDF 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_off0000b125.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB125 | 14160 bytes |
SHA-256: 4ba4b55719f6936bd76506869a43bea8c51d75000c6f40088387de784b7735f1 |
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font_01_sfnt_off0000d41e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD41E | 10700 bytes |
SHA-256: ec6cc494f62110e48d3feb55a54b36871fd3107cffce3cfba532fd6e7d635902 |
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font_02_sfnt_off0000eca5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECA5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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