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 suspicious PDF files on various domains. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic indicates a high likelihood of this document being used to distribute malicious content or phish for information. The ML classifier and ClamAV detection strongly support its malicious nature.
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 https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/d5cjc775cp4nb6tedsfijs5p2f/29359176747.pdf In PDF document text
- http://autostyle-japan.com/js/upload/files/fagozosiginoje.pdfIn PDF document text
- https://xuantruongtech.com/images/ckeditor/files/66054845646.pdfIn PDF document text
- http://cloudinfo01.smartevolve.com/images/ckeditor/files/kegijugip.pdfIn PDF document text
- http://www.sudeshnamaulik.com/fckimages/file/98779720032.pdfIn PDF document text
- http://locnuocvietmy.com/Images_upload/files/16991368816.pdfIn PDF document text
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/77167742875.pdfIn PDF document text
- http://baltic-rt.ru/ckfinder/userfiles/files/nokolubamivefilerizufud.pdfIn PDF document text
- http://tsradviseurs.nl/mailing/images/photo/file/86565138874.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/85193735147.pdfIn PDF document text
- http://podiummoda.ru/userfiles/file/donenenedibanamobijirivok.pdfIn PDF document text
- http://wych123.com/upload/files/bisolujiruvixamapajimo.pdfIn PDF document text
- http://managhantasala.net/mailuserfiles/file/lewepunurusubavo.pdfIn PDF document text
- http://wabasnb.com/files/fckeditor/file/6465793326142390611f9d.pdfIn PDF document text
- http://eatatrudy.com/uploads/files/lovowedife.pdfIn PDF document text
- http://kkc1.org/htdocs/cljr/data/files/velum.pdfIn PDF document text
- http://ubestsports.com/imager/files/20210925101242.pdfIn PDF document text
- https://ssmavidiyar.com/public/content-images/files/83308653476.pdfIn PDF document text
- http://psychologyforeverybody.com/ckfinder/userfiles/files/gasulefed.pdfIn PDF document text
- https://istanbularicilikfestivali.com/upload/ckfinder/files/sinimu.pdfIn PDF document text
- http://movitecnic.fr/ressource/site-image/files/45420883008.pdfIn PDF document text
- https://trouver-une-ssii.com/img/pics/files/fitipufabagojuziw.pdfIn PDF document text
- https://creativitagh.com/pevron/www/img/file/6188903671.pdfIn PDF document text
- http://innovad-ltd.com/userfiles/file/gonevuvuw.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/42819952766.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=science+words+that+start+with+iPDF 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_off0000dcf8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCF8 | 19272 bytes |
SHA-256: fac6624ba7906d13635a7aa0d8e9e45f375356ec2be7ea29ae041bccd378c4b4 |
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font_01_sfnt_off00010e40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E40 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012657.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12657 | 10580 bytes |
SHA-256: a9ce1b48f350064d89daa0ce01f72edcbf38901f61e65dd49179669e3bdcf578 |
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