MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to domains that appear to be part of a link farm. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the presence of multiple unknown URLs strongly suggest a phishing or malware distribution attempt. The ML classifier and ClamAV detection further confirm the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 http://panda-es.tokyo/yamituki-n/uploads/files/kunenototokubatiseged.pdf In PDF document text
- https://kampusogrenciyurdu.com/file/95997191811.pdfIn PDF document text
- https://deitratech.com/userfiles/file/retukirofarojizinugudaj.pdfIn PDF document text
- http://sinners-party.de/media/file/89216738151.pdfIn PDF document text
- https://vresponse.net/userfiles/file/tajekasivokasun.pdfIn PDF document text
- http://architettogherardi.eu/userfiles/files/tavivigebakevexu.pdfIn PDF document text
- http://mengnuanua.com/app/webroot/files/files/difopilididupikagefutima.pdfIn PDF document text
- http://mn-print.ru/ckfinder/userfiles/files/xutesifafotaduxezugur.pdfIn PDF document text
- http://393citizen.com/upload/files/82553241495.pdfIn PDF document text
- http://anchor-m.com/js/upload/files/70221889833.pdfIn PDF document text
- http://hamlineparkplaza.com/assets/amund/ckfinder/userfiles/files/58810097866.pdfIn PDF document text
- http://halongwave.com/userfiles/file/bariganujerasop.pdfIn PDF document text
- http://om-ar.com/userfiles/file/45260686841.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133a5bca7923---27065450959.pdfIn PDF document text
- http://blfimmobiliare.com/userfiles/files/20083385725.pdfIn PDF document text
- https://noithathoaphat11.com/upload/files/latelidulovugatikam.pdfIn PDF document text
- http://christopherspubandgrille.com/userfiles/files/fovulilexub.pdfIn PDF document text
- https://cristalparkhotel.com/ckfinder/userfiles/files/mapubuvijepexiwemogolo.pdfIn PDF document text
- http://tungalag.mn/userfiles/files/31597557978.pdfIn PDF document text
- https://milsagliksen.org/upload/ckfinder/files/78990704768.pdfIn PDF document text
- https://asiquim.com/ckfinder/userfiles/files/nufafusivu.pdfIn PDF document text
- http://poddertradingandindustries.com/userfiles/file/64505157676.pdfIn PDF document text
- http://cgmorenanews.com.br/ckfinder/userfiles/files/metatamiz.pdfIn PDF document text
- https://siroyensao.com/upload/files/bisolifavuw.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=gta+5+download+for+android+no+human+verificationPDF link annotation
- 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_off0000db98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB98 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f3af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3AF | 11000 bytes |
SHA-256: e83903c5326b7bd14b811f6b648c2ee05640680405d8a8d0e4dbca5bf6b3bdf3 |
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font_02_sfnt_off00010d28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D28 | 17940 bytes |
SHA-256: c99eac179cc215b0c2d6a61d1e6a3bd034433ec003c7a160289e2c8cefb7cb00 |
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