MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which are part of a link farm hosted on disposable domains. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common method for executing malicious code within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://medvor.ru/uplcv?utm_term=unimed+goiania+guia+medico+pdf PDF link annotation
- http://barefoot.pl/userfiles/file/84463484912.pdfIn PDF document text
- https://innovativallatgyogyszer.hu/fileok/file/wezulasutoram.pdfIn PDF document text
- http://orbitsecurity.qa/pro_mvp_tech/uploads/file/22470788919.pdfIn PDF document text
- http://sarica.com.tr/ckfinder/userfiles/files/25323742593.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/161366e43b4219---91739768074.pdfIn PDF document text
- https://www.esicm-old.org/admin/lib/ckfinder/userfiles/files/10083126907.pdfIn PDF document text
- http://ajk-opakowania.eu/upload/fck/file/mugaxumafanimoko.pdfIn PDF document text
- http://daeryuhealthcare.com/ckupload/files/22250601906.pdfIn PDF document text
- http://modnyi-buket.ru/uploads/files/76525649707.pdfIn PDF document text
- https://fetogram.com/images/upload/files/65219233004.pdfIn PDF document text
- http://www.gpkoaee.ru/ckfinder/userfiles/files/66150473534.pdfIn PDF document text
- http://www.teeintact.com/admin/fckeditor/editor/filemanager/connectors/php/img/file/maxakaxeditetorolotosebox.pdfIn PDF document text
- http://porpora.group/imagenes/imagenes_contenidos///4738323757.pdfIn PDF document text
- http://trungtamdaykem.vn/Images_upload/files/61607408635.pdfIn PDF document text
- https://transdeliveris.lt/userfiles/file/92365690746.pdfIn PDF document text
- https://mtmnetwork.net/uploadEditor/files/nedodajuxu.pdfIn PDF document text
- https://aalatour.com/basefile/b2caalatourcom/files/99854919143.pdfIn PDF document text
- http://uralinteh.com/uploads/files/73780515654.pdfIn PDF document text
- http://studiosimonepantaleo.it/userfiles/files/zirowobusur.pdfIn PDF document text
- http://valdhans.cz/userfiles/file/90793082404.pdfIn PDF document text
- http://hockeydh.com/files/ups/files/lovekizusade.pdfIn PDF document text
- http://royal-pizza.eu/files/file/ponekifuxedigisozebunok.pdfIn PDF document text
- https://emotionalgift.com/ckfinder/userfiles/files/96378519235.pdfIn PDF document text
- https://yp05.com/_UploadFile/Images/file/17897706269.pdfIn PDF document text
- http://faithleader.org/js/ckfinder/userfiles/files/13812846838.pdfIn PDF document text
- http://infosierra.es/images/editor/87999201231.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_off0000cfee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFEE | 17876 bytes |
SHA-256: 6163c35c3abf5b1b156e3822e0c88d4dfe714326ee2a01e97f0d073992626993 |
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font_01_sfnt_off0000fe28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE28 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001163f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1163F | 10656 bytes |
SHA-256: 452773c94b3916c2aec9cd131bb6bd1ebad53790cbac10c31211a37fc51bc168 |
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