MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1105 Ingress Tool Transfer
The PDF contains embedded JavaScript and numerous external URIs, many of which are hosted on disposable domains and appear to be part of a link farm. 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 PDF documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://drafthe.ru/uplcv?utm_term=android+sdk+reference+search PDF link annotation
- https://cingenito.ca/upload/editor/file/46183670624.pdfIn PDF document text
- http://lscapital.it/images/file/22119397767.pdfIn PDF document text
- https://kohphanganhotelandtour.com/userfiles/file/vigabinad.pdfIn PDF document text
- http://kleinschadenexpert.com/userfiles/file/govavev.pdfIn PDF document text
- https://youkuvpn.com/upload/files/67907727599.pdfIn PDF document text
- https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/gusepis.pdfIn PDF document text
- http://inannamsao.com/uploads/files/70312548687.pdfIn PDF document text
- http://christschoolblr.in/userfiles/file/61129820269.pdfIn PDF document text
- https://tunhuaduytan.com/upload/userfiles/files/zalomurivifupifatakima.pdfIn PDF document text
- http://meubelenindex.nl/images/uploads/xuripexapepidefokabuxoxuf.pdfIn PDF document text
- https://colakcivi.com/userfiles/file/kesidewadadosexegorof.pdfIn PDF document text
- http://cornaredo.gattinonimondodivacanze.it/themes/userfiles/files/6722165338.pdfIn PDF document text
- https://luminex.pl/upload/file/relujofedipikugat.pdfIn PDF document text
- http://travelspace.pl/userfiles/file/jivimufumaba.pdfIn PDF document text
- https://isagrinio.gr/userfiles/bapawepurunofuwidevafi.pdfIn PDF document text
- https://mma-montessori.com/admin/ckfinder/userfiles/files/dubogadetifiw.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/iace8r1imvmip3kgro6bekd1v5/63592015403.pdfIn PDF document text
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/fb0c05fd5d69862ee87f20dff790f5bf/tivewekesixunasif.pdfIn PDF document text
- https://nepalihemp.com/ckfinder/userfiles/files/nedudirisejaxisiki.pdfIn PDF document text
- https://ladulceseguros.ar/noticias/fckeditor/file/76123743490.pdfIn PDF document text
- http://angelescare.com/userfiles/file/83424463018.pdfIn PDF document text
- http://crystaltrade.hu/data/file/safolemomixixuxozajezavun.pdfIn PDF document text
- http://autobedrijvenindex.nl/images/uploads/62371859033.pdfIn PDF document text
- https://samavetpharm.com/userfiles/files/45830361610.pdfIn PDF document text
- http://rtm-plus.com/ckfinder/userfiles/files/2155758817.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_off00011bb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BB3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000133c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133C5 | 17616 bytes |
SHA-256: 5a562b5a9196f9e6000bde5fab0108d19651a1a25cb90befc272992a9036d3a7 |
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font_02_sfnt_off00016201.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16201 | 10500 bytes |
SHA-256: c19a0ffb4c46ffbca70d362200e5219d4c2aaf7a70209f6393c4ef458c4636ea |
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