MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript, which is a common technique for executing malicious code. The PDF also contains numerous external URIs, many of which point to disposable domains or are used in link farms, suggesting a phishing or malware distribution attempt. ClamAV detection and ML classification strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://dukra.sk/editor_uploads/files/5900817590.pdf In PDF document text
- http://www.smartlandgroup.com/ckfinder/userfiles/files/tegekiz.pdfIn PDF document text
- http://danguykhoidoanhnghiephp.vn/Upload/files/rugiwukokasesusi.pdfIn PDF document text
- https://citytrafik.nu/images/file/63362722821.pdfIn PDF document text
- http://www.tamtrebinhminh.com/public/files/18403969225.pdfIn PDF document text
- https://sudhirsachdevaclasses.com/ci/userfiles/files/saluvonebofoxalo.pdfIn PDF document text
- http://lysfyyy.com/upload/files/xosojukajapubibaj.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/161382b695c4f5---loguzabepojawat.pdfIn PDF document text
- https://transport.frontiermyanmar.com/sites/all/libraries/ckfinder/userfiles/files/mufiviborufafivulojivul.pdfIn PDF document text
- http://nelly-design.ru/upload/files/dixotidowoxebox.pdfIn PDF document text
- http://dagmare.de/userfiles/file/bebakuke.pdfIn PDF document text
- https://www.esfa.bg/root/ckfinder/userfiles/files/1716424839.pdfIn PDF document text
- https://ntct-dz.com/ckfinder/userfiles/files/25973744115.pdfIn PDF document text
- https://trimix.bg/UserFiles/File/47262456650.pdfIn PDF document text
- http://mid-europe-ex.com/images/blog/file/58804430486.pdfIn PDF document text
- http://envigest.cz/upload/file/keladuj.pdfIn PDF document text
- http://sirmamedia.com/ckfinder/userfiles/files/wakekego.pdfIn PDF document text
- http://cctsw.net/whly/up_files/FCK/file/20210902_231738_190.pdfIn PDF document text
- http://bilafafafa.com/shopadmin/upload/files/bofarogepet.pdfIn PDF document text
- https://serviceelectric.ca/userfiles/file/xonawaveruvagegazat.pdfIn PDF document text
- https://mimpisiluman.com/contents/files/27840466284.pdfIn PDF document text
- https://corumosmanlimakina.com/js/ckfinder/userfiles/files/23656519998.pdfIn PDF document text
- http://orgue-chantepie.info/FCKeditor/upload/file/89054430916.pdfIn PDF document text
- http://fotografieindex.nl/images/uploads/barinetokatorino.pdfIn PDF document text
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/66bd60dc60254d97783eb9af2c79e2e2/kirut.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=bernard+lewis+tarihte+araplar+pdfPDF 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_off0000d74e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD74E | 10616 bytes |
SHA-256: cce5fda174e68298d98617e5e75c71bda564072604ce3fafeb7eb1588be58cde |
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font_01_sfnt_off0000ef85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF85 | 18528 bytes |
SHA-256: fadad6d5ea4c73d3555a46260ec27365e50e58455f58998cea12a79444782769 |
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font_02_sfnt_off00011d00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D00 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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