MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for exploiting vulnerabilities or redirecting users. It also includes numerous external URIs, many of which point to disposable domains and are likely part of a link farm designed to obscure the true destination. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://a-guskov.ru/uploads/files/nemumarudadu.pdf In PDF document text
- https://rovetco.com/userfiles/file/29675439272.pdfIn PDF document text
- https://lotusmarinevn.com/upload/files/43075961086.pdfIn PDF document text
- http://oletrans.sk/editor_uploads/files/65009689987.pdfIn PDF document text
- http://www.erealitysolutions.com/tennisontario/assets/appsadmin/js/ckfinder/userfiles/files/41612785437.pdfIn PDF document text
- http://rdmsrl.it/userfiles/files/13277795918.pdfIn PDF document text
- http://wixoon.hu/upload/file/11068645374.pdfIn PDF document text
- https://ganganagardentist.com/userfiles/file/91433065125.pdfIn PDF document text
- https://lensprovn.com/ckfinder/userfiles/files/merusexabew.pdfIn PDF document text
- http://youzedu.com/ckimages/files/20210909142358419812.pdfIn PDF document text
- http://gabinetpro.gabinetpro.pl/kosmetyczka/krakow/files/xojupe.pdfIn PDF document text
- http://77owship.netsociality.com/upload/files/70433207921.pdfIn PDF document text
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161313f8d97019---soxonorefukasowirutoli.pdfIn PDF document text
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/j9q228d64l6ds3ofi6em398m21/64265659096.pdfIn PDF document text
- https://sicurezzaips.it/uploads/file/45128712330.pdfIn PDF document text
- http://eco-building.cz/UserFiles/File/zuxoposa.pdfIn PDF document text
- http://jnmindia.com/outscapes/admin/ckeditor/uploads/ck/files/giximesugupexitu.pdfIn PDF document text
- http://varosom.hu/userfiles/files/kabegulez.pdfIn PDF document text
- http://enjoy.sk/editor_uploads/system/files/98623553844.pdfIn PDF document text
- http://phutungototuanphat.com/img-tvdl/files/nomelusalimurugajatibozo.pdfIn PDF document text
- https://zahrek.com/userfiles/file/wiveriforu.pdfIn PDF document text
- http://schokozentrale.de/idata/86990238817.pdfIn PDF document text
- https://camgloberealtor.com/userfiles/file/jejoduvujazafum.pdfIn PDF document text
- http://dlshixiang.com.cn/ckfinder/userfiles/files/9399565869.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+set+up+ice+contacts+on+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_off0000e59c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE59C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fdb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDB3 | 10640 bytes |
SHA-256: 2c0c76a6298add67e8b01ab19d3315332dcfbaeb8c774c2145c21a0c6e095252 |
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font_02_sfnt_off00011633.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11633 | 18396 bytes |
SHA-256: 799f95062774da0b1534382e55d59fcfd1d8d126d3feb416cca02f91dbab4e05 |
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