MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains embedded JavaScript and numerous external URIs, many of which are part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or a scam, by directing users to potentially harmful websites. The presence of embedded JavaScript suggests an attempt to execute malicious code within the PDF viewer.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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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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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://ketchas.ru/uplcv?utm_term=read+deleted+messages+on+android PDF link annotation
- https://stvorki.ru/files/file/zoxadutikesuroto.pdfIn PDF document text
- http://legalinet.eu/userfiles/files/tunuxonoxovepakigetomatoz.pdfIn PDF document text
- https://marcvandewiele.com/userfiles/file/68333630398.pdfIn PDF document text
- http://marchmont.ru/imgs/file/silutirek.pdfIn PDF document text
- http://elfobchod.cz/foto/Image/file/bisedapoxaxu.pdfIn PDF document text
- http://kimbuunguyen.com/uploads/userfiles/file/ramisabapujipawe.pdfIn PDF document text
- https://hotnews.md/upload/userfiles/files/73621002692.pdfIn PDF document text
- https://www.suep.gr/ckfinder/userfiles/files/zagiwa.pdfIn PDF document text
- http://irvine.songhakbbq.com/uploads/files/zojinupiroxad.pdfIn PDF document text
- https://apaman.ti-am.jp/js/ckfinder/userfiles/files/ninufikow.pdfIn PDF document text
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16146fc155b376---97634064071.pdfIn PDF document text
- http://dieta-plus.pl/userfiles/file/fexibixuxidez.pdfIn PDF document text
- http://yoga-privates.com/yoga-privates/file/94790373163.pdfIn PDF document text
- https://stalbeckers.nl/userfiles/image/file/fazoxisixixib.pdfIn PDF document text
- http://dennehylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/57771814302.pdfIn PDF document text
- https://successalpha.team/upload/files/72635738336.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161322762e682e---4835515877.pdfIn PDF document text
- http://sky1981.com/asset/uploads/files/15190995812.pdfIn PDF document text
- https://angelsforwarriors.org/userfiles/files/jugeka.pdfIn PDF document text
- https://n-tlg.com/files/file/jukupupo.pdfIn PDF document text
- http://lovesushiscv.com/uploads/files/94713761080.pdfIn PDF document text
- https://habrit.tw/ckfinder/userfiles/files/padiveso.pdfIn PDF document text
- http://sunpix.ru/img/lib/file/mapawevak.pdfIn PDF document text
- https://bold-iot.com/uploads/files/202109151233017059.pdfIn PDF document text
- http://polaryachtmanufactory.com/res/wysiwyg/file/96588958905.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_off0000dd54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD54 | 18736 bytes |
SHA-256: df4c8b61778de4b035073a82f8578eb37b01bca639a9e1561a5fd9e9f4f7fcf4 |
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font_01_sfnt_off00010e0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E0D | 10636 bytes |
SHA-256: 9e9a7eaa13f7c55f28aa087eed5539f3d0811792c02ab9a4d74b0d6fb5af4f80 |
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font_02_sfnt_off0001261b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1261B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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