MALICIOUS
66
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded links, many of which point to external PDF files hosted on various domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates that the document is acting as a link farm on disposable hosting, suggesting a malicious intent to redirect users. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, but the overall structure and link farm behavior point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 4
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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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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://cwpni.com/userData/ebizro_board/file/vubumurefibab.pdf In PDF document text
- http://thesciencenetwork.org/uploads/files/kowokagujokagasadol.pdfIn PDF document text
- http://111-orte.com/testarea/cwsCMSlight/media/files/wolerobobiworasemotige.pdfIn PDF document text
- http://floridare.ru/app/webroot/img/uploads/file/550708_58082930361.pdfIn PDF document text
- http://gayaarchi.com/userfiles/file/20210923130050.pdfIn PDF document text
- http://stellarp.com/userfiles/file/70941752002.pdfIn PDF document text
- http://apcmagon.com/userfiles/90039463244.pdfIn PDF document text
- http://jungam21.com/upfiles/file/1632863609.pdfIn PDF document text
- http://jplus-ag.com/upload/files/BodyFile__6142CA3CB26FC.pdfIn PDF document text
- http://smwiarus.pl/ckfinder/userfiles/files/10748373335.pdfIn PDF document text
- http://usaoxin.com/userfiles/2021-9/file/rijokolo.pdfIn PDF document text
- https://kildevangen.dk/files/vuwazokigufukubitavuke.pdfIn PDF document text
- http://tea-ra.com/user_data/upload/save_image/files/9385333749.pdfIn PDF document text
- https://reha.bg/content/upload/file/kiriwipodavadew.pdfIn PDF document text
- http://myoffice2561.sesao33.net/UserFiles/File/14940322282.pdfIn PDF document text
- http://daglichtfilters.nl/ckfinder/userfiles/files/duzaxunibat.pdfIn PDF document text
- http://kennycojewelry.com/userfiles/files/202109/1632367290.pdfIn PDF document text
- https://vanphongphamhienluong.com/upload/files/63864175380.pdfIn PDF document text
- https://rosanaalvarracin.com/userfiles/file/23174744431.pdfIn PDF document text
- https://karolinanowak.com/userfiles/file/foludago.pdfIn PDF document text
- https://its-bulgaria.bg/files/file/68571462885.pdfIn PDF document text
- http://breakevenpoint.pl/uploads/editor/file/lidanenobuzuw.pdfIn PDF document text
- http://trivio.it/userfiles/files/jaweluresiwupusol.pdfIn PDF document text
- https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/edeac9dc75047f04d0290bba56b1d98d/78976298798.pdfIn PDF document text
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/161515bf611893---56258855371.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=last+shelter+survival+mod+apk+downloadPDF 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_off0000b643.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB643 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ce55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE55 | 16820 bytes |
SHA-256: 889c5da59606a8c5eb0034182251bf0b37b54c12da52e5cd58e733e72ae7691c |
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font_02_sfnt_off0000f8f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8F7 | 10960 bytes |
SHA-256: 738ff64152bbcea38abd25b50c0850a36d4418d8d66433f1997d6d8a148e63ea |
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