MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The sample is a PDF document flagged by ClamAV as Pdf.Phishing.Trojan. Heuristics indicate it uses a browser extension installation lure, a common social-engineering tactic for malware delivery. The document body, though heavily obfuscated, contains references to 'wkhtmltopdf' and a URL that appears to be a redirector, suggesting it's designed to download and execute further malicious content. The presence of embedded JavaScript further supports the execution of malicious code.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://baarspo.ru/strik?utm_term=will+cyberpunk+2077+ever+be+released PDF link annotation
- https://cdn-cms.f-static.net/uploads/4470387/normal_604f8f46ecb8b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407795/normal_601a37f2583b6.pdfIn PDF document text
- https://cdn.sqhk.co/virurewev/pibgjii/download_battle_warship_naval_empire_mod_apk_terbaru.pdfIn PDF document text
- http://fibipowokogo.sportsontheweb.net/modaxekosubepakexodopid.pdfIn PDF document text
- https://cdn.sqhk.co/videgogaf/ghVIhjB/vigopuxowal.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480187/normal_6049e66e49739.pdfIn PDF document text
- http://nemugub.mywebcommunity.org/26452558853.pdfIn PDF document text
- https://cdn.sqhk.co/zatufora/chioVgc/tipos_de_biocombustiveis.pdfIn PDF document text
- http://zikebuse.iblogger.org/63882829852.pdfIn PDF document text
- https://cdn.sqhk.co/goxepijikun/igjhEH5/sky_force_reloaded_fighter.pdfIn PDF document text
- https://cdn.sqhk.co/fusaduxuw/rdhdjhG/recargar_cubacel_online.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://lobivovakebala.epizy.com/daikin_cassette_air_conditioner_manual.pdfIn PDF document text
- https://s3.amazonaws.com/vavapekadoliti/financial_reporting_council_corporate_governance_code.pdfIn PDF document text
- http://jonesojawu.myartsonline.com/python_data_analysis_projects.pdfIn PDF document text
- http://lumosaneja.onlinewebshop.net/antibiotic_resistance_genes.pdfIn PDF document text
- https://s3.amazonaws.com/domegagowevag/sobuz.pdfIn PDF document text
- http://pugazapuxijal.myartsonline.com/40963162703.pdfIn PDF document text
- https://s3.amazonaws.com/sajezife/turkey_beak_and_wattle_template.pdfIn PDF document text
- http://kinuzana.rf.gd/sujilerejafobazafomumotu.pdfIn PDF document text
- https://s3.amazonaws.com/puretulenuza/solving_congruent_triangles_worksheet.pdfIn PDF document text
- https://s3.amazonaws.com/bulikowexunepov/manual_remstar_m_series.pdfIn PDF document text
- http://wawikoduvebakap.onlinewebshop.net/93555138899.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eff7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFF7 | 2900 bytes |
SHA-256: 68d094faf81d2ea9f62e68ee4e789e40b6192f27e323b9e50c58fbaa8f881837 |
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font_01_sfnt_off0000fa3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA3A | 5800 bytes |
SHA-256: 683b622abac37ce6109e0bf185420c964ed49b4952e27789f156b654aeff7248 |
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font_02_sfnt_off00010e1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E1F | 10528 bytes |
SHA-256: cfb3cde89a3c6b9e22df9f6ac58f437490ce1deea81c784404a6f760765a5fd3 |
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