MALICIOUS
142
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 PDF files hosted on potentially disposable domains. The presence of a visual download button and the ML classifier's high confidence score indicate a malicious intent to trick the user into downloading a payload. The embedded JavaScript is likely used to facilitate the download or exploit.
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://cructi.ru/uplcv?utm_term=ablo+apk+mod PDF link annotation
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613236203464d---kadinafezuzorir.pdfIn PDF document text
- https://ural-aiti.ru/admin/ckfinder/userfiles/files/datosawibirepipufadiwezer.pdfIn PDF document text
- https://florerialafloresta.com/ckfinder/userfiles/files/bediwaxebumo.pdfIn PDF document text
- http://dream-mebel.com/pic/file/zavatafavijofuwikexikad.pdfIn PDF document text
- http://emachn.com/data/attachment/file/lorulafevojakem.pdfIn PDF document text
- http://azs-szermierka.pl/zdjecia/fck/file/sifupoturutaguneruxowale.pdfIn PDF document text
- http://coytex.net/ckfinder/userfiles/files/94204171742.pdfIn PDF document text
- http://pokeocncafe.com/uploads/files/91916506814.pdfIn PDF document text
- https://unosms.us/userfiles/file/pakunupip.pdfIn PDF document text
- http://marcobernini.it/userfiles/files/18763045269.pdfIn PDF document text
- http://konferencii.org/js/ckfinder/userfiles/files/24667077164.pdfIn PDF document text
- https://inoxquochoang.com/app/webroot/files/images/pages/files/67598690249.pdfIn PDF document text
- http://malerbetrieb-malanders.de/Webseite/pics/fotos/1/file/59660258513.pdfIn PDF document text
- http://virus-safe-zone.com/ckupload/files/75429912674.pdfIn PDF document text
- http://eyela.kr/uploadfile/fckeditor/file/17552728621.pdfIn PDF document text
- https://tramtron.vn/uploads/files/files/40471424709.pdfIn PDF document text
- http://mrtowing.ca/Lawyers/userfiles/file/40816026536.pdfIn PDF document text
- http://yournamebadges.com/withyourdog/cms_uploads/file/saxovetesutixalajedile.pdfIn PDF document text
- http://jamones-luna.shopcloud.es/ckfinder/userfiles/files/93210242627.pdfIn PDF document text
- http://surmounttravel.com/userfiles/files/89116048905.pdfIn PDF document text
- http://huseyindurmuslar.com/images_upload/files/xetapixe.pdfIn PDF document text
- https://cicimanis.com/contents/files/turevegotopuxupivid.pdfIn PDF document text
- https://skywaytravelandholidays.com/ckfinder/userfiles/files/dufile.pdfIn PDF document text
- https://resttour.com/images/userfiles/files/lugukuju.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_off0000c3b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3B0 | 10072 bytes |
SHA-256: 61efaba50be56942b78d7f1361aea49e69f8fe8d6b9843f84117676730b0d420 |
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font_01_sfnt_off0000d9d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9D9 | 19128 bytes |
SHA-256: 899df119f8f3a485c681a28b82d0fbb706c55820b69a1353e6f02bd572a18ce8 |
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font_02_sfnt_off00010b99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B99 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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