MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which are part of a link farm hosted on disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a malicious document designed to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
Heuristics 5
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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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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://nomylo.ru/uplcv?utm_term=oxygen+os+for+note+5+pro PDF link annotation
- https://twinscooking.nl/twins/userfiles/file/dotuf.pdfIn PDF document text
- http://expertcomptablecourreges.fr/michel_courreges/userfiles/file/resisesanez.pdfIn PDF document text
- http://khodahoanglang.com/admin/webroot/upload/image/files/19374476210.pdfIn PDF document text
- http://tmtechvn.com/webroot/img/files/welazijaxakakolekujid.pdfIn PDF document text
- http://rozynoklinika.lt/userfiles/file/84078164055.pdfIn PDF document text
- https://tahitotfalu.hu/ckfinder/userfiles/files/jikekekuriwima.pdfIn PDF document text
- https://efnnma.org/files/file/38804526866.pdfIn PDF document text
- https://telliogluhukuk.com/userfiles/file/66480104051.pdfIn PDF document text
- http://e5tbr.alruaa.com/ckeditor-ckfinder-integration/uploads/files/sazudisemuzupevetefa.pdfIn PDF document text
- https://netpage.info/userfiles/file/34964982021.pdfIn PDF document text
- http://lachina.cn/upload/file/fanususitizufanisuvugu.pdfIn PDF document text
- https://kaisar168.com/contents/files/74477276028.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/16139ffaf22608---lezoje.pdfIn PDF document text
- https://grdr.org/paidel/ckfinder/userfiles/files/ziboti.pdfIn PDF document text
- https://euroquimicadistribucion.com/zabaleta/data/imagenes_contenidos/file/43666464258.pdfIn PDF document text
- https://impulsa.mantareys.net/uploads/plantillas/files/25118098521.pdfIn PDF document text
- https://metnar.pl/web/uploads/files/19650201909.pdfIn PDF document text
- http://zoo-foto.cz/userfiles/file/wobofuxawozenaneduvetav.pdfIn PDF document text
- https://rodolphe-blanchet.fr/Rodolphe/fckeditor/file/12026877775.pdfIn PDF document text
- http://muntepa.com/userfiles/files/8194261532.pdfIn PDF document text
- http://studioingtassinari.eu/userfiles/files/fivapabaruwobavuki.pdfIn PDF document text
- http://barahi.com/assets/userfiles/files/fuvakuwotegapakenepokuz.pdfIn PDF document text
- https://saikekanglun.com/filespath/files/20210917134839.pdfIn PDF document text
- http://rooptex.com/uploads/37300049071.pdfIn PDF document text
- http://kimsanghun.com/upload/userfiles/file/202191263382877.pdfIn PDF document text
- http://ac-kenigsberg.ru/files/file/10464384029.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_off0000bcd2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCD2 | 16284 bytes |
SHA-256: 61f3be139b5b733a7b0d1965e5fdbfba0f011128dd22da108503dd91d584c899 |
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font_01_sfnt_off0000e71c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE71C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ff33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF33 | 10608 bytes |
SHA-256: c8d14bbc8bfc2e398e9acfa0cad439c84111241e6ffbbe0afe9e3d8a3b99fb5e |
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