MALICIOUS
74
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external URIs, many hosted on disposable domains. The ML classifier strongly indicates maliciousness, and the heuristic for a link farm on disposable hosting further supports a malicious intent. The embedded JavaScript likely facilitates the redirection to these malicious sites, potentially for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 5
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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://philabc.ru/uplcv?utm_term=arsenal+roblox+cheat PDF link annotation
- http://zaragozalawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gabumujonibiralavavina.pdfIn PDF document text
- http://agisinfo.ru/uploads/content/files/85402633040.pdfIn PDF document text
- http://rentbucharest.net/images/userfiles/zugoreturofizelonuvow.pdfIn PDF document text
- https://masukpt1.com/contents/files/64867729732.pdfIn PDF document text
- https://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/gewuvejepagevezuwigima.pdfIn PDF document text
- http://thestarbusan.com/FileData/ckfinder/files/20210901_D1647807E61B8D65.pdfIn PDF document text
- https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/e901a0abd088cd0f7b2c04d9f0b21dcb/denomekugalavasefovuxorem.pdfIn PDF document text
- http://longbeach.ilovepokebar.com/uploads/files/vimatu.pdfIn PDF document text
- http://teusz.pl/UserFiles/file/64318463021.pdfIn PDF document text
- http://diysmart.net/userfiles/file/16830389.pdfIn PDF document text
- http://pattarasawat.com/ckfinder/userfiles/files/89719741895.pdfIn PDF document text
- https://ytdrive.com/CKEdit/upload/files/wujejifovijekoka.pdfIn PDF document text
- http://wimborst-ceramics.nl/public/view/upload/fckeditor_images/file/vepezuxuriw.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16131854f579bd---tozimagemam.pdfIn PDF document text
- http://renknh.com/ckupload/files/mutokibidajume.pdfIn PDF document text
- http://ownlines.com/upfiles/file/lilenasopapazotiluk.pdfIn PDF document text
- http://bhhangkhong.com/upload/images/files/vuwinom.pdfIn PDF document text
- https://speculatio.in/userfiles/file/99605583749.pdfIn PDF document text
- http://etepi.pt/js/ckfinder/userfiles/files/97194102154.pdfIn PDF document text
- https://daks-96.com/f/uploads/files/juzuvijewotexuxogixo.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141736d01e66---93983119666.pdfIn PDF document text
- http://cissi.it/userfiles/files/bivedotizububevi.pdfIn PDF document text
- http://findmealocalpainter.com/insurazon/admin/userfiles/file/sotenip.pdfIn PDF document text
- http://stefanourso.com/public/userfiles/file/60480447662.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_off0000cd34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD34 | 19772 bytes |
SHA-256: fccc422bdda777cca9577b05514b618e392f270c46da651ddb21f5e56c7d8260 |
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font_01_sfnt_off0001012a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1012A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011941.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11941 | 10456 bytes |
SHA-256: ed48fdf10300fe9774b014bb965f23c731b5be451014eeaaf5c40d8f585bf55e |
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