MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The 'Browser extension / update installation lure' heuristic strongly suggests a social engineering attack aimed at tricking the user into downloading and executing further malware. While no scripts were directly extracted, the PDF structure and embedded URLs point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://zonwering-nederland.nl/ckfinder/userfiles/files/79614211581.pdf In PDF document text
- https://portugaliaimagyarok.com/ckfinder/userfiles/files/50491459323.pdfIn PDF document text
- https://wildnaturetravel.com/File/nomutalujedoledupododofi.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161360969f1428---venawuwewidekadikapisapo.pdfIn PDF document text
- http://sva-jeanroze.com/xmedia/file/towonisituxokosipujato.pdfIn PDF document text
- https://zemtechnika.lt/public/site/0files/70619702478.pdfIn PDF document text
- http://nmways.com/uploads/fckupload/file/84042527015.pdfIn PDF document text
- http://kvbm.org/pds/userfiles/files/jujomuwoxi.pdfIn PDF document text
- http://ozdesignhouse.com/app/webroot/uploads/files/99964974564.pdfIn PDF document text
- http://satisfytech.com/ck/upload/files/xisedabadegerosex.pdfIn PDF document text
- https://cubic.is/userfiles/file/fuxanovalusizare.pdfIn PDF document text
- https://colakcivi.com/userfiles/file/67192445307.pdfIn PDF document text
- http://drivingtesttips.ie/fckeditor/userfiles/file/14111785063.pdfIn PDF document text
- https://myvideoclasses.com/ci/userfiles/files/tejejebupusawim.pdfIn PDF document text
- https://avflash.nl/upload/files/25397430241.pdfIn PDF document text
- http://onlinecommerce.bg/uploads/pages/files/85197161268.pdfIn PDF document text
- https://houstoncoinshow.org/FCKeditor/file/zajibuzudagal.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/5r0pvubhmnu2g999uloiv1ssc5/bobetuje.pdfIn PDF document text
- https://geniodelweb.com/file/80184064393.pdfIn PDF document text
- https://careerexpo.alljobsinliberia.com/ckfinder/userfiles/files/4833523508.pdfIn PDF document text
- http://www.dgtrans.co.th/login/ckfinder/userfiles/files/rosotasipelite.pdfIn PDF document text
- http://skogsformedling.se/bilder_umeny/File/gesumodoko.pdfIn PDF document text
- http://landroverbh.com/ckfinder/userfiles/files/duwifeb.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+block+unwanted+sites+on+chromePDF 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_off0000d7ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7EA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000effc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFFC | 17320 bytes |
SHA-256: 064e435655549427c0508887b128848d4da36cf9752d4cfdbac8a12b52054489 |
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font_02_sfnt_off00011cbf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CBF | 11044 bytes |
SHA-256: 15adf3889606f239949d5e72de870cdd4ae01d5d6eea7758a2e180a0cba5da96 |
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