MALICIOUS
74
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. This script likely redirects the user to one of the numerous external URLs found in the document, which are associated with a link farm on disposable hosting. The ML classifier strongly indicates maliciousness, supporting the conclusion that this PDF is designed to lead users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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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://crysiq.ru/uplcv?utm_term=the+application+layer+of+a+network PDF link annotation
- https://santevita-bg.com/ckfinder/userfiles/files/2633782472.pdfIn PDF document text
- http://lev-steklo.ru/userfiles/file/56282484013.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/kumapumirevofevosux.pdfIn PDF document text
- http://golfproradost.cz/webpagebuilder/ckfinder/userfiles/files/4549835244.pdfIn PDF document text
- https://ferropula.hr/files/bedalelobup.pdfIn PDF document text
- https://ateliersmq.com/pevron/www/img/file/53996699929.pdfIn PDF document text
- http://colorfusion.us/admin/images/file/75687589907.pdfIn PDF document text
- https://altinhediyeler.com/calisma2/files/uploads/livavalabimugolutamekem.pdfIn PDF document text
- http://kqcme.yiaiwang.com.cn/upload/files/mokobuvilomufuvamid.pdfIn PDF document text
- http://montpellier-businessplan.eu/mbp/upload/images/images/upload/ckfinder/ralilaxoxujogizigerit.pdfIn PDF document text
- http://uat2.hkha.com.hk/ckfinder/userfiles/files/74050055582.pdfIn PDF document text
- http://we-women.de/default/files/uploads/file/tosaterorejedonixipi.pdfIn PDF document text
- http://back2wood.de/userfiles/file/vezugetunarutopo.pdfIn PDF document text
- http://regalmotors-jp.com/js/upload/files/6726435826.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1614bfe8ac8a61---xujufuduratuvifov.pdfIn PDF document text
- http://benrassam.com/uploads/files/59883391026.pdfIn PDF document text
- http://murito.fr/ckfinder/userfiles/files/likonujalevurapumuxozu.pdfIn PDF document text
- http://xn----7sbbgprpk7biiq.xn--p1ai/admin/ckfinder/userfiles/files/74192604333.pdfIn PDF document text
- https://fa-vietnam.com/webroot/img/files/fovenesabuxojanuzesowufon.pdfIn PDF document text
- http://master-stroi76.ru/userfiles/file/10822652478.pdfIn PDF document text
- http://1mosref.ru/ckfinder/userfiles/files/rufolixoniribabu.pdfIn PDF document text
- http://miryangpension.com/FileData/ckfinder/files/20211007_342E1D3D9BDB79EE.pdfIn PDF document text
- https://www.pelicanfinancialnetwork.com/ckfinder/userfiles/files/siwudomodigijube.pdfIn PDF document text
- https://ms01bet.com/contents/files/19879853945.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_off0000b40f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB40F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cc26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC26 | 10664 bytes |
SHA-256: 47acad2949276484200eda6b8d7609ee08922a2b82cad892857459f6ae70aa39 |
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font_02_sfnt_off0000e49f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE49F | 14668 bytes |
SHA-256: 637f6a36dd7caddbc95e638fa7ce4dac178b68f3b8dc4dde48fbcda49158ae53 |
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