MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external URIs, many of which are part of a link farm hosted on disposable domains. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://inwebjor.ru/uplcv?utm_term=avatar+mod+minecraft+pe PDF link annotation
- http://thesciencenetwork.org/uploads/files/kefafosujunopuxa.pdfIn PDF document text
- http://whuntex.info/userfiles/file/79356062728.pdfIn PDF document text
- http://fikszo-whc.com/userfiles/files/30396348716.pdfIn PDF document text
- https://ofertaromania.ro/ckfinder/userfiles/files/22002574061.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613486e6201a4---16065185479.pdfIn PDF document text
- http://temple.mo/userfiles/file/75691020510.pdfIn PDF document text
- http://eptesteplelek.com/uploads/file/jaxomodubofariragi.pdfIn PDF document text
- https://vespaclubcagliari.com/userfiles/file/63215634110.pdfIn PDF document text
- http://kingalbertltd.com/uploadedfiles/file/gegusupevedugedemazi.pdfIn PDF document text
- http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/59644992948.pdfIn PDF document text
- http://nuk-amro.de/userfiles/file/56072539516.pdfIn PDF document text
- http://smenergy.kr/uploaded/file/612956129613a6cbb01682.pdfIn PDF document text
- http://architettoseneca.com/userfiles/files/6603456528.pdfIn PDF document text
- http://monteconsultants.com/image/upload/File/71053240252.pdfIn PDF document text
- http://metallpress.info/files/lurekiruto.pdfIn PDF document text
- https://vntdc.com/upload/fck/file/pozexulenalore.pdfIn PDF document text
- http://boletos.luzservicos.com/ckfinder/userfiles/files/41408622264.pdfIn PDF document text
- http://studiogiamberardino.it/userfiles/files/dalelim.pdfIn PDF document text
- https://dsverano.com/UserFiles/File/66160532123.pdfIn PDF document text
- https://zoorichi.com/temp/fckeditor/file/92145318994.pdfIn PDF document text
- http://ikhmongol.mn/ckfinder/userfiles/files/xefegutujaketewik.pdfIn PDF document text
- http://vietsonplastic.com/uploads/userfiles/file/petifijub.pdfIn PDF document text
- https://dom4m.by/userfiles/files/70628522712.pdfIn PDF document text
- http://kovofilm.cz/userfiles/file/fonuxovi.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/a27def2f9165719e4671fb552a55955c/jetuvijuxukajubevuxijoz.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://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_off0000c732.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC732 | 10616 bytes |
SHA-256: 929bb002450e76f83935ab14474e76279b388d681783a560c82cf393a5007635 |
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font_01_sfnt_off0000df74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF74 | 19840 bytes |
SHA-256: a5beea8257114a929993764f35c766c0744016cba607589afd571a90f6296127 |
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font_02_sfnt_off000111a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111A8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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