MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to disposable domains and are used in a link farm configuration. This heuristic, combined with ML and ClamAV detections, strongly suggests a phishing or malware distribution attempt. The file's structure and the presence of external URIs indicate it's designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 5
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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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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://philabc.ru/uplcv?utm_term=alarm+clock+download+android PDF link annotation
- https://brihat-group.com/assets/userfiles/files/26212598702.pdfIn PDF document text
- http://bonezi.morefriendship.com/upload/files/fubikevunu.pdfIn PDF document text
- https://global-product.org/CKEdit/upload/files/90336924017.pdfIn PDF document text
- http://buyo-g.net/userfiles/file/pafudadolisu.pdfIn PDF document text
- https://eijo.in/ckfinder/userfiles/files/72007498048.pdfIn PDF document text
- http://aiswaryamatrimonials.com/fck_uploads/file/4395335522.pdfIn PDF document text
- https://wita.lt/images/files/nopujepuxibexupumowabar.pdfIn PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/f4047a9f766177bcd69d6c1b61b0a47c/biwuk.pdfIn PDF document text
- http://www.frank-diagn.hu/userfiles/files/12290927557.pdfIn PDF document text
- http://old.bgk-meshkova.com/ckeditor/ckfinder/userfiles/files/43135713544.pdfIn PDF document text
- https://wupaojichangjia.com/d/files/67839083873.pdfIn PDF document text
- http://haohanlegend.com/Uploadfiles/files/jatofamemuwuwebab.pdfIn PDF document text
- https://speeddating.lt/speeddating/ckfinder/userfiles/files/gumen.pdfIn PDF document text
- http://baigeleather.com/userfiles/file/14264371390.pdfIn PDF document text
- http://ssaisarang.com/ckfinder/userfiles/files/64500482503.pdfIn PDF document text
- http://akcjonariusz.com/UserFiles/file/nuwasunefotikeguwe.pdfIn PDF document text
- https://svingenieria.cl/userfiles/file/70015462359.pdfIn PDF document text
- http://www.ktgroup.co.uk/ckfinder/userfiles/files/wagedaradebu.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613c632bd7113---jovivipolilukusokikufogag.pdfIn PDF document text
- http://mtjjt.com/2013/upload/article/files/21091202470159141498967.pdfIn PDF document text
- http://www.anapharmata.hu/ckfinder/core/connector/php/files/musisofitasa.pdfIn PDF document text
- http://lammensfilip.be/uploads/files/28696576349.pdfIn PDF document text
- https://regiefranchet.fr/userfiles/files/lujixux.pdfIn PDF document text
- http://problemconsulting.com/img/download/files/meripimarilojobob.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_off0000b396.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB396 | 10292 bytes |
SHA-256: ef221833ae818c64113310406f90b6f5c72475a75ea831e0e35add5e6d023478 |
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font_01_sfnt_off0000cabe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCABE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e2d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2D0 | 14912 bytes |
SHA-256: a55cc405301c9e22a58baae84554d107f92a09aa9be8dd37f7bd52fd19498b23 |
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