MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URLs, many of which are part of a link farm hosted on disposable domains, indicating a strong intent to redirect users to potentially harmful content. The presence of embedded URLs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggest the primary goal is to drive traffic to these external sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
Heuristics 5
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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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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=new+english+file+beginner+test+booklet+pdf+free+download PDF link annotation
- http://ippinnudon.com/uploads/files/78484768545.pdfIn PDF document text
- https://maribon.net/app/webroot/files/userfiles/files/togeluvadite.pdfIn PDF document text
- http://k3projekt.pl/uploads/userfiles/files/29143128270.pdfIn PDF document text
- http://sziazsauto.com/uploads/files/39164024320.pdfIn PDF document text
- http://bjhtdszdh.com/v15/Upload/file/2021918652497301.pdfIn PDF document text
- https://www.educationsexuelle-ecole.ch/ck/ckfinder/userfiles/files/76746895901.pdfIn PDF document text
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/161380f4fcf94c---47542933631.pdfIn PDF document text
- https://avukatwebsitesi.trakyasoft.com/upload/files/15678661569.pdfIn PDF document text
- http://umhouses.com/uploads/files/71087838360.pdfIn PDF document text
- https://smartmedia.ro/app/webroot/files/userfiles/files/81030720071.pdfIn PDF document text
- https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613780e4daa85---77905934921.pdfIn PDF document text
- http://sochi-vitrazhi.ru/ckfinder/userfiles/files/wedeto.pdfIn PDF document text
- https://interno-kazan.ru/upload/files/82312866347.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/27290409432.pdfIn PDF document text
- http://emachn.com/data/attachment/file/wexexelumozikitemamigax.pdfIn PDF document text
- http://mu-rrrc.com/userfiles/file/puvopolixunexukawe.pdfIn PDF document text
- http://epmachine.ru/d/files/1378524251.pdfIn PDF document text
- http://sattosushi.com/uploads/files/xamijavuv.pdfIn PDF document text
- http://sys-svinding.dk/userfiles/file/14225718215.pdfIn PDF document text
- https://interference.ajoda.eu/userfiles/files/27254480233.pdfIn PDF document text
- https://sagarexpress.com/userfiles/file/xafalolafidegemusazufisaj.pdfIn PDF document text
- https://pharmawell.eu/ckfinder/userfiles/files/vafenisumefitos.pdfIn PDF document text
- https://galaxytraining.examinationonline.com/files/durixe.pdfIn PDF document text
- http://gayaarchi.com/userfiles/file/20210913024648.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_off0000ae31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE31 | 11072 bytes |
SHA-256: 75865c5a9d094c660ef661278b965579aa427e0013bcba3ddac38d233bc01469 |
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font_01_sfnt_off0000c785.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC785 | 15524 bytes |
SHA-256: cdd16c634754414f3aec42030df4aa350605787fe95f2a1d3e993a23bef2fecf |
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font_02_sfnt_off0000eea5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEA5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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