MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, indicating it is designed to redirect users to malicious websites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the presence of numerous unknown-reputation URLs suggest a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly support the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://infrive.ru/uplcv?utm_term=wifi+router+booster+apk PDF link annotation
- https://nissanzorba.ro/ckeditor/ckfinder/userfiles/files/5122693274.pdfIn PDF document text
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/b7fc76907024b8bbc9bb0e6a91d38e92/janibufilapagilugoxe.pdfIn PDF document text
- https://find-domain.lazy-online-shop.com/app/webroot/userfiles/files/34818787216.pdfIn PDF document text
- http://elai.kz/upload/2021/09files/2109081751178676300s3p7.pdfIn PDF document text
- http://interroadholland.nl/userfiles/file/22147667684.pdfIn PDF document text
- http://coomargroup.com/ckfinder/userfiles/files/20573152497.pdfIn PDF document text
- http://lianbang123.com/uploads/files/202109150608295474.pdfIn PDF document text
- https://ruiguoex.com/upfile/files/2021/09/14/75966558604.pdfIn PDF document text
- http://zhxndl.com/uploadfiles/files/lekenapududuwika.pdfIn PDF document text
- https://hawkseyetravels.com/assets/ckfinder/userfiles/files/94777944338.pdfIn PDF document text
- https://ginniglobal.com/uploads/file/63722667488.pdfIn PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613b7f1e02fb4---lupunipasudoputetat.pdfIn PDF document text
- http://jinanxintiandi.com/userfiles/files/98607684862.pdfIn PDF document text
- http://group-anons.ru/userfiles/files/dipil.pdfIn PDF document text
- http://chaitraglaze.com/uploads/56738922500.pdfIn PDF document text
- https://marljivo.hr/userfiles/file/ramelafawewomiboleporo.pdfIn PDF document text
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613f111d88b60---wejalafolana.pdfIn PDF document text
- https://kodcomputers.ro/2664/uploads/tarasinubopojamajem.pdfIn PDF document text
- http://tsutae-f.com/js/upload/files/14797277174.pdfIn PDF document text
- https://vinocastillo.hu/editor_up/84117009346.pdfIn PDF document text
- http://ad.ditroinfotech.com/laportal/ckeditor-ckfinder-integration/uploads/files/ragofose.pdfIn PDF document text
- http://gabortech.com/admin/file/jebavipagerimelagenerejuv.pdfIn PDF document text
- http://around-sicily.net/userfiles/file/37800629362.pdfIn PDF document text
- https://zaragozadenoche.es/upload/files/79325098250.pdfIn PDF document text
- https://spotiverify.com/ci/userfiles/files/51514258878.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_off0000b45d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB45D | 15580 bytes |
SHA-256: df7fb802e441a9599fefd9917ab03a9a9a2166418d643c73813355a2591311c9 |
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font_01_sfnt_off0000dc5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC5A | 10524 bytes |
SHA-256: 26310ad8a4f8b12cf64c676ce992366683b2d4ed8d292d5c3df1f91c391c8664 |
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font_02_sfnt_off0000f450.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF450 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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