MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous embedded URLs, many on disposable hosting and using UTM parameters, strongly suggests a phishing or malware distribution campaign. While no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with techniques used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://crysiq.ru/uplcv?utm_term=ios+12+android PDF link annotation
- https://activsport.ro/userfiles/file/24490195534.pdfIn PDF document text
- https://medgal.pl/admin/ckfinder/userfiles/files/54010551216.pdfIn PDF document text
- http://onestep-tokyo.com/userfiles/file/80213933225.pdfIn PDF document text
- https://jairdefreitas.com/ckfinder/userfiles/files/govutinelofe.pdfIn PDF document text
- https://gencshoworganizasyon.com/upload/ckfinder/files/fevujosav.pdfIn PDF document text
- https://www.libyamonitor.com/sites/all/libraries/ckfinder/userfiles/files/somebivijusabupuguwutegos.pdfIn PDF document text
- http://rudolphalexander.com/uploads/files/kesajuvivudajugedamur.pdfIn PDF document text
- http://thewesternmist.com/userfiles/file/2679097847.pdfIn PDF document text
- http://imobiliariaimperio.com/files/files/58437537798.pdfIn PDF document text
- https://institut-arabe.org/ckfinder/userfiles/files/fokugiwemiwelixafiv.pdfIn PDF document text
- https://perfectprojects.ro/userfiles/file/kogufubiwutafutoremik.pdfIn PDF document text
- http://eastendmediation.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nojaxizobowixukopesiteti.pdfIn PDF document text
- http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/zuwidiwezorapam.pdfIn PDF document text
- https://verticala.ro/images/userfiles/32183202500.pdfIn PDF document text
- https://www.barrau-philippe-sedeco.fr/ckfinder/userfiles/files/namatebarusiduwugone.pdfIn PDF document text
- http://e3edu.vn/public/ckfinder/core/connector/php/connector.phppublic/uploadsfiles/fabupej.pdfIn PDF document text
- http://besttailor.info/ckfinder/userfiles/files/fepepatixewulup.pdfIn PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/161328c925968e---41425002185.pdfIn PDF document text
- http://dietetyka-24.pl/images/files/79127972001.pdfIn PDF document text
- http://bajkolandia-leszno.pl/userfiles/file/46219133625.pdfIn PDF document text
- http://020tzs.com/baige/images/userfiles/file/fizitademajimokuxakipelin.pdfIn PDF document text
- https://bursakaynak.com/userfiles/file/16009113691.pdfIn PDF document text
- http://www.americaninvest.net/upls/files/16207313104.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/38fcdc24c5597a25f4c0f065aea3e3b7/58949562549.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_off0000e4ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4BA | 17528 bytes |
SHA-256: fdfe4610c10ccd5f66af0696533d516c3dafb6024ee10f528da209c65e77ecf3 |
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font_01_sfnt_off0001124a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1124A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012a61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A61 | 10088 bytes |
SHA-256: 29c39fc7e0c1f0edac07ab22654ed5a50562341da7af7bc6b8b8330f847b262b |
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