MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the presence of a browser installation lure and a download button, suggesting a social engineering attack. While no scripts were directly extracted, the nature of the PDF and its embedded URLs point towards a phishing or malware distribution attempt, likely involving a second-stage download.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff20354cd2---sakisexiruki.pdf In PDF document text
- http://homespakistan.net/magzine/uploadfiles/file/72237841961.pdfIn PDF document text
- http://eakqshop.com/ckfinder/images_store/files/25231895682.pdfIn PDF document text
- http://motolargo.pl/userfiles/file/pasegivoka.pdfIn PDF document text
- http://mynigaoe.com/upload/file/20210910223720.pdfIn PDF document text
- https://paroles-vives.com/ckfinder/userfiles/files/94317735006.pdfIn PDF document text
- https://bompentax.com/quangbasanpham/app/webroot/upload/image/files/loziji.pdfIn PDF document text
- http://nattuvaartha.com/assets/ckfinder/core/connector/php/uploads/files/xokafodapuno.pdfIn PDF document text
- https://ewdel.cz/ckfinder/userfiles/files/jipulemenes.pdfIn PDF document text
- http://reliancefla.com/admin/images/file/zepafudagerutaropijaj.pdfIn PDF document text
- http://slhospital.com/upload/fckeditor/file/vasenuperarejak.pdfIn PDF document text
- http://exito-opakowania.pl/userfiles/file/30525110112.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/ac8be5d0eabe6dc465f88f371a6bc90c/jexikalekaxesip.pdfIn PDF document text
- https://altonika.pro/files/fck/file/vobuwenagisanoletalowijad.pdfIn PDF document text
- http://vngo-cc.vn/cooker/public/files/zidifomonobebewupasura.pdfIn PDF document text
- http://omeofest.eu/userfiles/files/xulutixovalujas.pdfIn PDF document text
- http://ort168.com/upload/ckeditor/files/maruzaseborotutowugi.pdfIn PDF document text
- http://www.primariasantana.ro/uploads/file/faxeja.pdfIn PDF document text
- https://oxfordjsr.com/userfiles/file/mimusugovoruwefejipuf.pdfIn PDF document text
- http://photonart.nl/phpcmsys/file/zirutarisugibevusefo.pdfIn PDF document text
- http://moscowprice.com/content/xuploadimages/file/kulugipalijevoxex.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/52537329894.pdfIn PDF document text
- http://www.hausman.eu/images/wyswig_images/file/faditokaraferowowob.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=cara+membuka+file+excel+di+hp+androidPDF 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_off0000de6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE6F | 11084 bytes |
SHA-256: 1ba9352ea40fc0745a7d7092d8d7d985b8f8ea811fc2fd2ecd08eb5318bd9417 |
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font_01_sfnt_off0000f7c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7C9 | 18080 bytes |
SHA-256: cf45c7f92ca67a62487988554bf0fdb4a85b046e9e78f3037420fb96507d5d7c |
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font_02_sfnt_off0001270a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1270A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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