MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many pointing to other PDF files on distinct domains, characteristic of a link farm used for phishing or malware distribution. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic further supports this, noting a high number of distinct hosts and a redirector pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 5
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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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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://thenext.pk/userfiles/files/30967728919.pdf In PDF document text
- http://paulgraphics.paulsfashion.in/files/9034362557.pdfIn PDF document text
- https://hkfew.org.hk/ckfinder/userfiles/files/setefopenaxarojo.pdfIn PDF document text
- http://ex2010.com/uploadfile/file/2021091109235373499.pdfIn PDF document text
- https://ekoelprom.pl/public/images/editor/file/bosupafamolubumora.pdfIn PDF document text
- https://nibrasimansch.com/userfiles/files/71206521954.pdfIn PDF document text
- http://avandcie-energy.com/ckfinder/userfiles/files/48419850024.pdfIn PDF document text
- http://safetruck.gr/images/file/riwudedukopadefotidu.pdfIn PDF document text
- http://jumpstart.mobi/userfiles/file/22425809783.pdfIn PDF document text
- http://scea.edu.mn/ckfinder/userfiles/files/demewilitojivelubo.pdfIn PDF document text
- http://captainkillmite.com/uploads/files/202109090820422008.pdfIn PDF document text
- https://jordan.si/dokumenti/file/birarufeluligifozelaxi.pdfIn PDF document text
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16140c3778fd67---jijifafexadijonilol.pdfIn PDF document text
- http://yusungchart.com/userData/board/file/19280614213.pdfIn PDF document text
- http://yung-shun.com/userfiles/file/4100918874.pdfIn PDF document text
- https://immsac.pe/sgi_userfiles/userfiles/files/wopadi.pdfIn PDF document text
- http://kondicionery-dolgoprudny.ru/upload_picture/file/65151911006.pdfIn PDF document text
- http://sicompk.com/survey/userfiles/files/juworeziral.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/28075644445.pdfIn PDF document text
- https://artofsurfing.com/preview/ckfinder/userfiles/files/69180807404.pdfIn PDF document text
- https://thebookonpersonaltransformation.com/FCKeditor/file/26621775459.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e760733274---verosojixidego.pdfIn PDF document text
- http://1night2day.com/UserFiles/file/9813699845.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=goosebumps+welcome+to+dead+house+read+online+freePDF 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_off0000d485.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD485 | 11248 bytes |
SHA-256: 4e2f6054bfdc4bbfb35d90597288d30f5e426c552d3040f440142fbafcfcc895 |
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font_01_sfnt_off0000ee8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE8F | 18248 bytes |
SHA-256: 1e57bb18234bf280ab365ad25593a342225af22d4cbf5eb64379b94e78863d48 |
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font_02_sfnt_off00011d5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D5D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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