MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and numerous external links, many of which point to disposable domains, suggesting a phishing or malware distribution attempt. The presence of a "download button" heuristic further supports this, indicating the document is designed to trick users into downloading a payload. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://nomylo.ru/uplcv?utm_term=instalacija+androida+na+tablet PDF link annotation
- https://loyallcanada.com/editor_files/file/sivewivinam.pdfIn PDF document text
- http://jwconsult2005.com/file_media/file_image/file/4739332379.pdfIn PDF document text
- http://autolubitel-irk.ru/userfiles/file/mewolop.pdfIn PDF document text
- http://autostyle-japan.com/js/upload/files/51995959492.pdfIn PDF document text
- http://etepi.pt/js/ckfinder/userfiles/files/tupatulobi.pdfIn PDF document text
- http://www.mariabeckmann.com/fotos/uploads/files/bavuviniwizof.pdfIn PDF document text
- https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/896a65b94ddb9272fb5951462932d7bd/14735573464.pdfIn PDF document text
- http://meuble-tunisie.com/userfiles/file/bokukobanape.pdfIn PDF document text
- https://manorhair.com/uploads/files/202109020449238058.pdfIn PDF document text
- https://www.renfrewareahealthvillage.ca/ckfinder/userfiles/files/wojuwovalajis.pdfIn PDF document text
- http://utpcomp.ru/uploads/files/jijipogidaratefumax.pdfIn PDF document text
- https://0955205219.jwa.tw/userfiles/files/dosobumumarexojudebaterog.pdfIn PDF document text
- http://cameragiaminh.com/upload/files/30397180264.pdfIn PDF document text
- http://sushrutproctology.org/ckfinder/userfiles/files/tupol.pdfIn PDF document text
- https://worldpigment.com/image/upload/File/tavojuzitaf.pdfIn PDF document text
- http://studiotecnicomartani.eu/userfiles/files/riguwivireremawux.pdfIn PDF document text
- http://nattuvaartha.com/assets/ckfinder/core/connector/php/uploads/files/kerizepizaratovurakobuju.pdfIn PDF document text
- http://soft-pro.hr/upload/datoteke/29628446233.pdfIn PDF document text
- https://yocarbroker.com/upload/ckfinder/files/xekise.pdfIn PDF document text
- https://gloriamus.org/Uploads/userfiles/files/ladunumulurevuzijif.pdfIn PDF document text
- http://pusancard.com/userData/board/file/3320307021.pdfIn PDF document text
- https://mimpishio1.com/contents/files/maruvirorepitosifimapu.pdfIn PDF document text
- https://istanbularicilikfestivali.com/upload/ckfinder/files/82632577406.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4819c9727---xibalolitev.pdfIn PDF document text
- http://reklamaopole.pl/userfiles/file/92187437231.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_off0000f10b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF10B | 20000 bytes |
SHA-256: 525e1da207be63f10c08c5bef88c7548d98e2dcb92e9ee3ed990722311dfed46 |
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font_01_sfnt_off00012385.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12385 | 10584 bytes |
SHA-256: 17dfa5d3d4c457477ea261ddb5ffa99aca9bb2ada82c75beb54f09917e6c73b1 |
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font_02_sfnt_off00013bbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BBE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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