MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were directly extracted, the PDF structure and embedded URLs point towards a social engineering attack designed to redirect users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://kuzutuzo.ru/strik?utm_term=how+to+remove+a+stuck+delta+shower+cartridge PDF link annotation
- http://zufufamaz.66ghz.com/24082440847.pdfIn PDF document text
- https://delumatoli.weebly.com/uploads/1/3/5/3/135392794/ed6000bc12d.pdfIn PDF document text
- http://nudivupekol.22web.org/dynamic_equilibrium_human_anatomy_definition.pdfIn PDF document text
- https://nutipofuvi.weebly.com/uploads/1/3/5/3/135310868/berorogabipagux.pdfIn PDF document text
- https://tekudijasefemo.weebly.com/uploads/1/3/2/7/132740256/8a78dd893c.pdfIn PDF document text
- https://dodikajopofibu.weebly.com/uploads/1/3/4/7/134704264/9953949.pdfIn PDF document text
- https://vudexugir.weebly.com/uploads/1/3/2/7/132710723/tijuvo.pdfIn PDF document text
- http://luwazesoj.22web.org/13728357419.pdfIn PDF document text
- http://jukojuguvaloj.iblogger.org/tezete.pdfIn PDF document text
- https://disovipogazita.weebly.com/uploads/1/3/1/3/131398104/1311219.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://39c3e2ba-dcb8-4bc0-9ed7-0058f02c59d5.filesusr.com/ugd/fd4c29_ed3df83612704481afef7d090443aecc.pdf?index=trueIn PDF document text
- https://4647adb0-9c01-46a1-aef1-4380d5873f13.filesusr.com/ugd/edb4a7_dfc0761eb14d45afa3c308c5a9ccab26.pdf?index=trueIn PDF document text
- http://ketaxijos.rf.gd/mathematics_formulas.pdfIn PDF document text
- https://76c9fb28-c10e-4950-85be-37de24a2ede8.filesusr.com/ugd/fa32a6_04fe81bedd1e45c18d1fee0d7a198a73.pdf?index=trueIn PDF document text
- http://kiwusegofavuto.rf.gd/canada_visit_visa_application_form_for_bangladeshi.pdfIn PDF document text
- http://bepinutarefe.rf.gd/characteristics_of_media_information_literate_individual.pdfIn PDF document text
- https://e0220c8c-c322-4c33-af83-7c5b0fe00b66.filesusr.com/ugd/a771bd_ab5dce5f4a6040d6b246f156ac661d73.pdf?index=trueIn PDF document text
- http://suwetiwojiza.rf.gd/14114001425.pdfIn PDF document text
- https://fb4bdcd3-28a3-4206-a6c3-fb267f511c23.filesusr.com/ugd/0ad562_20b177cc859044ecbeaea5c5600e7432.pdf?index=trueIn PDF document text
- https://47e4df30-8702-49a4-8bd5-327e1546ff06.filesusr.com/ugd/379272_e319970ef7b347c988c25b2a4423f055.pdf?index=trueIn PDF document text
- https://a1c9bafd-2917-4c1b-b79c-a4b44a941470.filesusr.com/ugd/f0f215_109f4c15be7a4e3c804db16510759e73.pdf?index=trueIn PDF document text
- http://reditavipesef.rf.gd/xakapikajuv.pdfIn PDF document text
- https://3d7c42e8-cad9-4196-8f3c-0f210fd97588.filesusr.com/ugd/1b7c00_757203ee905c4919b4efaf81fa7ed699.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_off0000e247.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE247 | 5532 bytes |
SHA-256: cfd842308aa4b7b489d6d6fc29c5e3eff9317e0e08d143686986ed2869d115df |
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font_01_sfnt_off0000f4fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4FA | 10696 bytes |
SHA-256: 65b1031d9817cc3928d89654e2d5874de838312cddb165e6432b693187c59b02 |
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