MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains numerous embedded URLs and is flagged by ML classifiers and ClamAV as malicious. The 'SE_BROWSER_INSTALL_LURE' heuristic indicates the document's content is designed to trick users into installing malicious browser extensions or updates. The presence of external URIs and the overall structure suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9888
Heuristics 6
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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=horror+movie+app PDF link annotation
- http://vivaibonomo.it/userfiles/files/7867480329.pdfIn PDF document text
- http://yds-wcv.jp/free_images/files/womimapigopatixezagubiti.pdfIn PDF document text
- http://marketingnews.fr/images/file/94444652727.pdfIn PDF document text
- http://www.ciesol.com/ckfinder/userfiles/files/98595413198.pdfIn PDF document text
- https://pfollowers.com/ci/userfiles/files/52852811242.pdfIn PDF document text
- https://mintedimages.com/ckfinder/userfiles/files/20477793777.pdfIn PDF document text
- http://i-dron.cz/data/file/47465695265.pdfIn PDF document text
- https://tezerwatch.com/file/upload/files/09-09-05-29-07-55.pdfIn PDF document text
- https://www.chablis-gautherin.com/ckfinder/userfiles/files/xuzepo.pdfIn PDF document text
- http://olsztyntransportmedyczny.pl/userfiles/file/rixilosoza.pdfIn PDF document text
- http://ccsl.asia/files/pejaxagimoz.pdfIn PDF document text
- https://dodatnagarancija.com/userfiles/file/munavagimixasafamozemoxas.pdfIn PDF document text
- http://kbo.pl/ckfinder/userfiles/files/9435330603.pdfIn PDF document text
- http://dbcasagayathottam.org/assets/uploads/cms_images/files/koluv.pdfIn PDF document text
- https://komunalno.vrgorac.hr/files/15521311992.pdfIn PDF document text
- https://www.prshots.com/ckfinder/userfiles/files/jirosudezud.pdfIn PDF document text
- http://huijingweb.com/upload_fck/file/2021-9-15/20210915172309180107.pdfIn PDF document text
- https://badanie-wody.pl/galeria/file/50835098295.pdfIn PDF document text
- http://okna-kursk.ru/page_edit/_samples/userfiles/files/zopabekaluwuzobepu.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/161392b11abf27---zozolumalogovexixi.pdfIn PDF document text
- http://thegioivaigiasi.com/Images_upload/files/59714505288.pdfIn PDF document text
- http://rajhansnursery.com/userfiles/file/93190856729.pdfIn PDF document text
- http://midoriku.zaitakunet.jp/app/webroot/upload_images/files/80434659204.pdfIn PDF document text
- https://euinsuti.uniluxgym.ro/app/webroot/files/userfiles/files/pafiduxivumuvewuzejam.pdfIn PDF document text
- https://ensegun2.com/ckfinder/userfiles/files/xujafusovuk.pdfIn PDF document text
- http://volareinmongolfiera.it/userfiles/files/sezalenepinivozusarurot.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_off00010e39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E39 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012650.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12650 | 10052 bytes |
SHA-256: 9b34490470a61651ceddd0900262499f1babfa65e20a5e77c2d3cd59afaf346a |
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font_02_sfnt_off00013c9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C9D | 17696 bytes |
SHA-256: 2c5afbb798764e65ea9854171e5a1f90d14a3c1b183656d2eccc4ae95f7fa512 |
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