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 0.9981
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=coc+hack+apk+download+2020 PDF link annotation
- https://gosselindesign.com/images/from_fckeditor/fichiers/kunusotededuwatozidelu.pdfIn PDF document text
- http://gewidor-gmbh.de/uploads/files/dulodasakeve.pdfIn PDF document text
- https://nirkongrp.com/ckfinder/userfiles/files/fodimuvuwabitedarujo.pdfIn PDF document text
- https://longhoang.vn/upload/files/32204488739.pdfIn PDF document text
- https://www.lire-les-notes.com/ckfinder/userfiles/files/faxaxonarojibe.pdfIn PDF document text
- https://kurtoglumob.com/upload/file/20272049024.pdfIn PDF document text
- http://saraya-shop.ru/upload/files/kudexulegadi.pdfIn PDF document text
- https://groupunsur4.com/contents/files/zawesufaxuxewimepur.pdfIn PDF document text
- http://cancunday.com/travela/img/files/81095045006.pdfIn PDF document text
- http://klhl.com/userfiles/file/vudupagepunexobe.pdfIn PDF document text
- http://kartywspomnien.pl/uploads/assets/file/23941184277.pdfIn PDF document text
- http://sooam.com/files/fckeditor/file/1657918656613c735cb1f3e.pdfIn PDF document text
- http://antichigelsi.it/userfiles/files/tokozodurazeto.pdfIn PDF document text
- http://formpart.com/upload/ckfinder/files/wuxumojitozatotikofala.pdfIn PDF document text
- https://corumosmanlimakina.com/js/ckfinder/userfiles/files/44669963745.pdfIn PDF document text
- http://1night2daytour.com/ckupload/files/korusenafexonaxekav.pdfIn PDF document text
- https://megashina24.ru/files/files/zinof.pdfIn PDF document text
- http://hoadon-dientu.net/images/files/71211989058.pdfIn PDF document text
- http://dhf-china.com/d/files/99381954863.pdfIn PDF document text
- http://whuntex.info/userfiles/file/86941962766.pdfIn PDF document text
- http://michellenevinracing.com/FCKeditor/file/jikonudajotulerer.pdfIn PDF document text
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613487a08d14a---lobedasutufaribudujibuw.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_off0000e127.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE127 | 18212 bytes |
SHA-256: b5490b7491a0f8f336c04b7fbf5271c121932d87849020cae618f22b5713660a |
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font_01_sfnt_off000110a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110A5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000128bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128BC | 10472 bytes |
SHA-256: 6297b6909fe001dcaed2740620c82260c3b84a84faba4a83bbc234692bb7a21c |
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