MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to disposable domains, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for initiating malicious actions within PDF documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9800
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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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 http://xn--vb0b83rba554gca.kr/page_data/file/20210908172754.pdf In PDF document text
- https://delphin-restaurant.com/ckfinder/upload/files/ludedodumeko.pdfIn PDF document text
- http://paillasse.hu/userfiles/file/72885616435.pdfIn PDF document text
- http://pazzo.jp/js/upload/files/77625175808.pdfIn PDF document text
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/b1n3j9bqckfs9bbg4t5u497nul/10207006607.pdfIn PDF document text
- https://thingstodobahrain.net/ckfinder/userfiles/files/69642755737.pdfIn PDF document text
- https://gornjastubica.hr/files/wodovazezoroditegeren.pdfIn PDF document text
- http://kbchina.de/upload/safov.pdfIn PDF document text
- http://yomamasushitogo.com/uploads/files/gifizixezebezevavegute.pdfIn PDF document text
- https://neurondevelopment.org/userfiles/file/xepidutadu.pdfIn PDF document text
- https://regaluxiluminacion.com/uploads/assets/file/18746257677.pdfIn PDF document text
- http://umhouses.com/uploads/files/ralaruxifotagiteruken.pdfIn PDF document text
- https://davidfoleyinc.com/userfiles/file/16623777838.pdfIn PDF document text
- http://tuning-zone.eu/userfiles/file/mulajegodiritixo.pdfIn PDF document text
- http://innotec-industrie.be/userfiles/file/tesakuratodevug.pdfIn PDF document text
- http://aedelsur.com/contenido/files/79367777796.pdfIn PDF document text
- https://kingyao.com/uploadfiles/files/20210906_030016_2153.pdfIn PDF document text
- https://gamepinleri.com/calisma2/files/uploads/19364452297.pdfIn PDF document text
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/16136946857c50---lavumodosatuxesazaj.pdfIn PDF document text
- http://esistore.com/userfiles/file/xizorafex.pdfIn PDF document text
- http://goldia.cz/data/file/wefusatafajapododukawes.pdfIn PDF document text
- https://gamaconsultores.cl/upload/file/zoleji.pdfIn PDF document text
- https://napraforgohotel.hu/upload/file/33428074138.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16130277c4a88a---lopowemire.pdfIn PDF document text
- https://beta.nhatthiengroup.com/files/uploaded/files/polerimizadegonovure.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=movie+app+tvPDF link annotation
- https://easyown.ddproperty.com/datas/files/61025736909.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_off00012277.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12277 | 9888 bytes |
SHA-256: e503198747a07ad5e38d6ad32525e2f2e0449a84c50ab1c71e8870012933ccb2 |
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font_01_sfnt_off0001386b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1386B | 17712 bytes |
SHA-256: aa1466f4aa89d688f3e83458df16c6d5da422590e82d6c00e45f14b93b38602d |
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font_02_sfnt_off00016692.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16692 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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