MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, with heuristics indicating it functions as a link farm on disposable hosting. The presence of numerous embedded URLs, many pointing to suspicious domains, supports a phishing or redirection attack. While no scripts were explicitly extracted, the PDF format itself can embed JavaScript for malicious actions, hence the T1059.007 technique.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 5
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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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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://nstoplana.rs/ckfinder/userfiles/files/juwonixomovulomuwirapero.pdf In PDF document text
- https://pinkrali.com/calisma2/files/uploads/nevuvewopixanupuvum.pdfIn PDF document text
- http://roomyab.ir/basefile/roomyabir/files/96548013571.pdfIn PDF document text
- http://mecateengenharia.com.br/ckfinder/userfiles/files/ketojigemo.pdfIn PDF document text
- http://sk-uralstroy.ru/uploads/files/rigotitewedaxo.pdfIn PDF document text
- https://vico-domrep.com/ckfinder/userfiles/files/migilevefagat.pdfIn PDF document text
- http://bouwbedrijfbouwheer.nl/userfiles/file/82999571429.pdfIn PDF document text
- http://china-miyaco.com/img/file/2021911195722.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613de57b80fa9---3008903382.pdfIn PDF document text
- https://artistprasanna.com/userfiles/file/wovararezilevuxew.pdfIn PDF document text
- https://ddshower.com/ckfinder/userfiles/files/zetamiwiponebe.pdfIn PDF document text
- http://karthikeyanjayaram.in/userfiles/file/wipukegonikiwusaroboxakiw.pdfIn PDF document text
- https://bbox.ru/images/shared/file/mutaputuradikogopifem.pdfIn PDF document text
- http://mimarkamilozkartal.com/userfiles/files/mumugimemavugejokarugowe.pdfIn PDF document text
- http://peaceinsrilanka.lk/ckfinder/userfiles/files/87101662596.pdfIn PDF document text
- http://ivankotov.ru/img/lib/file/35518791413.pdfIn PDF document text
- https://nitdgp.ac.in/uploads/userfiles/files/98518182916.pdfIn PDF document text
- http://thanglong.vn-greenenergy.com/ckfinder/userfiles/files/rameru.pdfIn PDF document text
- http://jandenzobv.com/image_uploads/file/biwerutatojid.pdfIn PDF document text
- http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/445a4a8225f844378003d02502ec6d9d/25532052490.pdfIn PDF document text
- http://mvsexpo.ru/admin/ckfinder/userfiles/files/65756013505.pdfIn PDF document text
- https://studiecarriere.it/uploads/file/58150206653.pdfIn PDF document text
- http://travelsi.ru/ckfinder/userfiles/files/podupomebibenufedegidexu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=get+ios+on+androidPDF 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_off0000d71d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD71D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF2F | 17888 bytes |
SHA-256: e54e76fb1edd9f8438b4fc69c8f13a3a6a3c6cfd6a11a99ca89790056881cb05 |
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font_02_sfnt_off00011d71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D71 | 10236 bytes |
SHA-256: 6e627398d9e43a0a89ebdacdfc6aff8e8697301a1fcdc92c5851660f1f54c72e |
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