MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing campaign. The ClamAV detection and ML classifier strongly indicate malicious intent. The embedded URLs, such as https://ponafet.ru/award?keyword=sujet+bac+maths+terminale+s+pdf, are likely used to redirect users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://ponafet.ru/award?keyword=sujet+bac+maths+terminale+s+pdf PDF link annotation
- https://static.s123-cdn-static.com/uploads/4369165/normal_5fe25c3fa125e.pdfIn PDF document text
- https://cdn.sqhk.co/winogolelog/aEFs58W/52515341850.pdfIn PDF document text
- https://cdn.sqhk.co/daxerarugak/bPijKid/kolubuputowebovupasojom.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459055/normal_5fc5cbc57dedf.pdfIn PDF document text
- https://cdn.sqhk.co/zerurukoraju/NgdEiaw/41077011644.pdfIn PDF document text
- https://kimilofu.weebly.com/uploads/1/3/0/8/130873947/migupe-wajusibilal-gosapefurezur.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407066/normal_602de90a3d56a.pdfIn PDF document text
- https://lowobuganigazo.weebly.com/uploads/1/3/1/1/131163610/nededubenutuzot-tapolenisekokim-nagevipofobi.pdfIn PDF document text
- https://cdn.sqhk.co/welosezu/dLngdjh/kadunifitovakevatoxoruji.pdfIn PDF document text
- https://ruwitopiramowu.weebly.com/uploads/1/3/4/3/134364975/nosuzalor.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/8c78bbd7-fdc6-4533-88c9-7e5afab970e4/bozajowuzikuki.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ea12adb9-dff1-4c19-a3de-00beea89e093/xosibarawiregusanoba.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/aa31806d-1361-455a-a523-b2c9118e20b0/game_to_name_all_50_states.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5b4943e6-e891-4ceb-93fd-ac778a8937c5/vilitipitu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7877c5b1-0fc1-48f5-86f0-d6ce61f9efbf/sitizaxadibekuzo.pdfIn PDF document text
- https://s3.amazonaws.com/xarojapi/nurse_uniform_online_shopping.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/36889d0f-c9b0-43b9-8849-bc0135a0fcf5/55232229879.pdfIn PDF document text
- https://s3.amazonaws.com/gapuruxumeg/hypixel_all_bedwars_maps_lobby.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://scripts.sil.org/OFLIn 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_off0000de17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE17 | 5716 bytes |
SHA-256: 27c39d385329ab40eaa38f327f4cb2cb3bf304412dffaf51992e4b071ebd036c |
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font_01_sfnt_off0000f158.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF158 | 9992 bytes |
SHA-256: 555418bc1f0c16b42e6127ec30a4cce67d7cf9a59ffeb25073351f6ed0704faa |
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font_02_sfnt_off000113c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113C6 | 16100 bytes |
SHA-256: b4d7b5f87a8978f1277a285276ee3d2548d8364787386596eceaf3166abf6284 |
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