MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs pointing to external domains, many of which are structured as link farms. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically flags this behavior, suggesting the document's primary purpose is to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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://coretry.ru/uplcv?utm_term=herpes+zoster+airborne PDF link annotation
- http://hospitalityroyal.com/upload_files/file/dovokizujowanaxuselogo.pdfIn PDF document text
- http://robbes.nl/media/files/zitivebofixifudufo.pdfIn PDF document text
- http://nataliashishkina.com/userfiles/file/xunuwixazi.pdfIn PDF document text
- https://vanphongphampmc.com/upload/files/45384938171.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135e6dc846c9---powodutimilikejex.pdfIn PDF document text
- http://nirmalamathachurch.org/cms_uploads/image/file/91810404922.pdfIn PDF document text
- http://xpeedon.net/userfiles/file/20210913055019.pdfIn PDF document text
- https://www.larche-de-jules.fr/ckfinder/userfiles/files/97201162658.pdfIn PDF document text
- http://dieterheich.de/images/uploads/file/zijevizazu.pdfIn PDF document text
- https://marathonblainville.com/userfiles/files/kumalufijelurivova.pdfIn PDF document text
- https://pristineleather.com/userfiles/file/wogowujovubamari.pdfIn PDF document text
- https://astoraccessories.com/uploads/ckfinder/files/ziwovokinalomomer.pdfIn PDF document text
- https://8-hi.dataroom.tw/upload/file/burafe.pdfIn PDF document text
- http://tko.wavedev.net/img/files/files/komuguleturolinudad.pdfIn PDF document text
- https://dongphuchuytai.com/upload/files/wijerirurafovuxowaz.pdfIn PDF document text
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/55c40vu3uhbb8ao1f57j98qomk/27241884143.pdfIn PDF document text
- http://ambvetfanini.eu/userfiles/files/50861347395.pdfIn PDF document text
- http://sjatupornservices.com/file_media/file_image/file/30411116635.pdfIn PDF document text
- http://justsayhi365.com/uploads/file/ziminunotijufewi.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/84400285133.pdfIn PDF document text
- http://home-hj.com/up_photo/file/gupoguxubilixireraji.pdfIn PDF document text
- https://joebalogh.ro/imagini_ws/vudotofedapedi.pdfIn PDF document text
- https://tasivn.com/upload/ck/files/47523285267.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_off0000ae20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE20 | 14732 bytes |
SHA-256: 599486e3c53721438c12ee1c9a4f010162e520687e9e4d57709637060f1b6625 |
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font_01_sfnt_off0000d31b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD31B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000eb32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB32 | 10392 bytes |
SHA-256: 5e95b371aa587d833b38a98075c9e28af7d4281ee02700f397c2cf0f5a960df1 |
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