MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, embedding numerous external URLs, with a notable concentration on the domain 'mezovuduw.ru'. The heuristic 'PDF_SEO_LINK_FARM' suggests the PDF is designed to host a large number of links, potentially to distribute phishing content or malware. No scripts were extracted, but the embedded URLs are the primary indicators of malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://mezovuduw.ru/award?keyword=catalogo+de+cuentas+sat+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4411219/normal_603743d432056.pdfIn PDF document text
- http://sotipidikukunow.getenjoyment.net/water_pollution_effects_and_causes.pdfIn PDF document text
- https://cdn.sqhk.co/xavonepez/hgjHeib/super_fast_charging_2020_apk.pdfIn PDF document text
- https://cdn.sqhk.co/nalujujoso/fgLhj8v/champions_centre_bellevue.pdfIn PDF document text
- https://cdn.sqhk.co/kisereta/IggphaG/universal_paperclips_guide_stage_2.pdfIn PDF document text
- https://cdn.sqhk.co/jupurutage/qgeCEia/40848211517.pdfIn PDF document text
- https://cdn.sqhk.co/dejuxafe/ZPFihij/minecraft_sky_factory_map_download_free.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471238/normal_602727aa3ee2b.pdfIn PDF document text
- http://piziguto.iblogger.org/geviwepemiridasabujoseku.pdfIn PDF document text
- https://cdn.sqhk.co/xurawupo/hMFN5hh/nibuxekivonenifaniwidovuk.pdfIn PDF document text
- https://cdn.sqhk.co/jovowosifo/iifoicj/tixifopekokedirabiloz.pdfIn PDF document text
- https://cdn.sqhk.co/burexewejam/w7geghT/heroes_of_asgard._legacy_of_thorn.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4411922/normal_5fee013da2e6e.pdfIn PDF document text
- https://cdn.sqhk.co/wogefosa/fJGHxIX/jiziwusaj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://padepivezaw.rf.gd/suwibelurogazexuxi.pdfIn PDF document text
- https://03ca3561-abfe-48ca-9b59-b1b2b77f8126.filesusr.com/ugd/1af49e_caf856aa33064f4d88fcc423d0193cd0.pdf?index=trueIn PDF document text
- https://08b4a39d-fa16-4eaa-91be-ae90003cacb9.filesusr.com/ugd/237bf7_2227c0e58af84968afbe5aa20bea822d.pdf?index=trueIn PDF document text
- http://wibexojul.rf.gd/bibog.pdfIn PDF document text
- https://5548a280-a194-4776-8019-0e256783c1fa.filesusr.com/ugd/f2c1dc_09616a86ad744524b729ea875925eaa4.pdf?index=trueIn PDF document text
- http://jawegoxizifiti.epizy.com/laxupuzawip.pdfIn PDF document text
- http://pubopebiwofaz.epizy.com/mozirejegineve.pdfIn PDF document text
- https://9abff256-b119-4e75-a612-dfc075f5428e.filesusr.com/ugd/c73517_922af3881a064cc087d488f29ddf9325.pdf?index=trueIn PDF document text
- http://wenares.myartsonline.com/canon_powershot_elph_170_is.pdfIn PDF document text
- https://f8071fb1-33dc-4bb9-9fe9-292e0ca0d861.filesusr.com/ugd/253000_f23e5d583e2341399912f130586ae43d.pdf?index=trueIn 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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC6A | 5132 bytes |
SHA-256: e023aa32676abff90798533718562d68b293d9991980acc3f3e1fdcaeb6dd331 |
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font_01_sfnt_off0000fdfa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDFA | 12288 bytes |
SHA-256: 62935bb0f7951a30acced7678a0a03985e8b44e3b8b97e0c12ddb3ef4fbcea53 |
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