MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF document flagged by ClamAV as Pdf.Phishing.Trojan. Heuristics indicate it uses a social engineering lure to trick users into installing a browser extension or update. While no scripts were extracted, the PDF structure and embedded URLs suggest an attempt to redirect users to malicious sites for further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://wgadget.com/file_media/file_image/file/dupevasemafesevita.pdf In PDF document text
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615596fc62f53---54220761385.pdfIn PDF document text
- http://exmar.it/foto_fck/file/jenovamadofofesi.pdfIn PDF document text
- http://j-club.eu/userfiles/file/95848027579.pdfIn PDF document text
- https://ltes.tw-goods.com/UserFiles/files/51730515801.pdfIn PDF document text
- http://ipost.mn/ckfinder/userfiles/files/gulokidogifufovuribi.pdfIn PDF document text
- https://www.grdr.org/paidel/ckfinder/userfiles/files/61392187371.pdfIn PDF document text
- https://sudhirsachdevaclasses.com/ci/userfiles/files/jagatuvemivegig.pdfIn PDF document text
- https://posaonakosovu.com/ckfinder/userfiles/files/96747098475.pdfIn PDF document text
- https://flcevent.fcu.edu.tw/plugin/ce1/ckfinder/userfiles/files/20210922105710.pdfIn PDF document text
- http://zbigniewrodak.pl/galeria/file/77659783181.pdfIn PDF document text
- http://seamacros.com/upload/file/dazovidatesokolujo.pdfIn PDF document text
- http://www.fashiongale.ro/userfiles/files/ximamesasegodosepija.pdfIn PDF document text
- http://almawred-sy.com/files/adminfiles/files/79963181859.pdfIn PDF document text
- http://branonperformance.com/ckfinder/userfiles/files/78677788822.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/d6631e26ab8fbfa9b467cdfbcad1f0c4/39222397571.pdfIn PDF document text
- http://sintellect.ru/Repository/file/22893410917.pdfIn PDF document text
- http://abwingsva.com/uploads/files/zudifetakinor.pdfIn PDF document text
- http://2018.letnifestiwal.pl/ckfinder/userfiles/files/zojosu.pdfIn PDF document text
- https://hosrem.org.vn/ckfinder/userfiles/files/gokezosasezo.pdfIn PDF document text
- https://alaskaproauto.net/nbloom/fckuploads/file/mewelubu.pdfIn PDF document text
- http://sbkf.org/files/files/21888372023.pdfIn PDF document text
- http://boletos.luzservicos.com/ckfinder/userfiles/files/kusimojafizisenarixasakan.pdfIn PDF document text
- https://laptopserwis.com/app/webroot/media/files/rawonigusuxufipi.pdfIn PDF document text
- http://linpus.com/app/webroot/userfiles/files/58498151943.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=watch+quantico+season+1+full+episodes+online+freePDF link annotation
- 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_off0000b34c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB34C | 11008 bytes |
SHA-256: 60b029e7fa75a649a18c1b24c1cf8172d7c62fcde7d5c8d2a7ab0d4d007116dc |
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font_01_sfnt_off0000ccaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCAF | 14592 bytes |
SHA-256: f71debf12de617ae2c7e44863bf002ec414becd42cf19eaa1f8ea4913d8a7af9 |
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font_02_sfnt_off0000f160.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF160 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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