MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains numerous embedded URLs, many of which point to disposable hosting and appear to be part of a link farm, suggesting a phishing or malware distribution scheme. The PDF structure and embedded URIs indicate an attempt to redirect the user to malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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://medvor.ru/uplcv?utm_term=movies+with+quicksilver PDF link annotation
- http://proxima-online.it/public/file/liwonavewirefow.pdfIn PDF document text
- http://www.nbc.com.vn/ckfinder/userfiles/files/lovol.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/161382de6c6405.pdfIn PDF document text
- http://appextskihjthj.handysociality.com/upload/files/sesubavipejur.pdfIn PDF document text
- https://h1t-urlaurora1-turbo.com/contents/files/79037244100.pdfIn PDF document text
- http://rklatex.com/userfiles/file/vatidikukutuluwezabiv.pdfIn PDF document text
- http://ssteelelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/35589319659.pdfIn PDF document text
- http://tiszaikaland.hu/upload/file/66889582495.pdfIn PDF document text
- http://nirmalapublicschoolerumely.com/userfiles/file/42457347938.pdfIn PDF document text
- http://envisystem.com/upload/userfile/files/gorotova.pdfIn PDF document text
- http://improntediteatro.it/userfiles/files/muboxuberovalusalerelite.pdfIn PDF document text
- http://saaretravel.ee/images/file/libopewimijaraxibinif.pdfIn PDF document text
- http://btsoft.vn/uploads/files/65063210663.pdfIn PDF document text
- http://bwemfjhjk.friend-match.com/upload/files/21589179070.pdfIn PDF document text
- http://connectcontrol.net/files/userfiles/files/lanidunedamanisasif.pdfIn PDF document text
- https://hnhaa.com/userfiles/tnejp/files/lumokemub.pdfIn PDF document text
- http://domplus.su/userfiles/files/2893509848.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d231f5a6ae---41561539174.pdfIn PDF document text
- https://strechybenesov.cz/content/nabodugusugakodopilevisaz.pdfIn PDF document text
- http://innospectrum.eu/hirlevel/file/53240120668.pdfIn PDF document text
- http://mocphatreal.com/assets/images/ckfinder/files/36138479657.pdfIn PDF document text
- http://phannhan.vn/files/usersfiles/files/44852094249.pdfIn PDF document text
- http://dhf-china.com/d/files/niwixejipodotanitivenewa.pdfIn PDF document text
- http://quangcaovuanh.com/vietkiendo/upload/file/jevup.pdfIn PDF document text
- http://spc1991.com/ckfinder/userfiles/files/28979916150.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_off000108eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108EB | 10544 bytes |
SHA-256: 5d605dc6ab16fa738d5eeee101d3f5801bf1d4f88a9655903e97426fe8ff1ad7 |
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font_01_sfnt_off0001212f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1212F | 17944 bytes |
SHA-256: c6f34e41c96e521e447fa5dd3818cc0ed78aabf3572e5e0fa9d9d93fa4081c21 |
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font_02_sfnt_off00015019.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15019 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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