MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URIs and is identified as a link farm hosted on disposable domains, indicating a phishing or malware distribution attempt. The presence of embedded URLs and the nature of the heuristics strongly suggest this document is part of a phishing campaign, likely using spearphishing attachments as the initial access vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://huntic.ru/uplcv?utm_term=spiral+2021+watch+online PDF link annotation
- http://svb-volleyball.de/userfiles/file/wonodurivifolotisaze.pdfIn PDF document text
- http://baggiez.net/userfiles/file/57655981216.pdfIn PDF document text
- https://tefen67.com/userfiles/files/49055383595.pdfIn PDF document text
- http://federicozucchettiarchitetto.eu/userfiles/files/90345828247.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/161342784916d2---vopumokowegexaluja.pdfIn PDF document text
- http://crocepadrekolbe.it/userfiles/files/66997856.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/goviwogelojawelosidumipu.pdfIn PDF document text
- http://www.greddy.com/admin/common/ckfinder/userfiles/File/midupowerobaz.pdfIn PDF document text
- https://mosaicopeoplecorporation.com/ckfinder/userfiles/files/92867947944.pdfIn PDF document text
- http://explosivedevices.ru/media/file/34362555728.pdfIn PDF document text
- https://gites-les-bardots.com/userfiles/file/fugawosageniro.pdfIn PDF document text
- https://cairparavel.ro/app/webroot/files/userfiles/files/burugigefugepezeparavudi.pdfIn PDF document text
- http://www.como-grup.ro/fisiere/file/ranerafemu.pdfIn PDF document text
- http://xmzs.org/userfiles/file/lifejawutusufovizu.pdfIn PDF document text
- http://cermak-expo.cz/data/files/file/fewemobozikajafove.pdfIn PDF document text
- https://chmelo.hu/sites/default/files/file/34026319820.pdfIn PDF document text
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613897b35768a---47726881106.pdfIn PDF document text
- http://groupkaishan.com/d/files/kosugerumurewegij.pdfIn PDF document text
- http://dija.lv/public/userfiles/file/16319007289.pdfIn PDF document text
- https://hotararicedo.ro/files/files/rodor.pdfIn PDF document text
- https://istanajp2.com/contents/files/parepitutobozupokireseto.pdfIn PDF document text
- http://remproekt-m.ru/admin/ckfinder/userfiles/files/morapesilasofimudof.pdfIn PDF document text
- https://ashasuchikala.com/ckfinder/userfiles/files/laxezoxapowikeleduxafepa.pdfIn PDF document text
- http://www.jucadent.es/ckfinder/userfiles/files/wikadowineje.pdfIn PDF document text
- https://bursakaynak.net/userfiles/file/67801157649.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_off0000f1ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1BA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000109cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109CC | 18408 bytes |
SHA-256: 04c7aae07906ae31b598b790f75d2478310746865c5fc588a51ff07863b5e991 |
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font_02_sfnt_off0001398d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1398D | 10760 bytes |
SHA-256: 64e44641798fa1b346c7c28a43c878a8516d736e82d9ce0bf2a44569dc1e5d88 |
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