MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious. It contains embedded JavaScript and a large number of external URIs, many of which appear to be part of a link farm designed to redirect users. The presence of JavaScript suggests an attempt to execute malicious code within the PDF viewer, likely to facilitate further compromise or phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://huntic.ru/uplcv?utm_term=fireboy+and+watergirl+online+game+friv PDF link annotation
- http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/kenebemixabopovazotijide.pdfIn PDF document text
- http://urs-certification.com/gais/image/file/ximegufekujobenibelazi.pdfIn PDF document text
- http://www.hkrns.org.hk/ckfinder/userfiles/files/97513709757.pdfIn PDF document text
- http://gancza.pl/userfiles/file/jivizinatujubol.pdfIn PDF document text
- http://kunas.lt/app/webroot/uploads/files/73081740567.pdfIn PDF document text
- https://tidurmalam.com/contents/files/vunojemujapubukejasevos.pdfIn PDF document text
- http://craj-ops.craj.cz/soubory/vamekodafesub.pdfIn PDF document text
- https://yellowmangocafe.com/userfiles/file/zegiluxaxanoguj.pdfIn PDF document text
- https://festival.bg/fckeditorfiles/file/95556737383.pdfIn PDF document text
- http://fotofolliasanlazzaro.it/userfiles/files/narutibajosenisofeku.pdfIn PDF document text
- http://sportsbettingconsultants.net/cote_dor_import/admin/ckfinder/userfiles/files/85894134208.pdfIn PDF document text
- https://dzido.pl/userfiles/file/rufagawijova.pdfIn PDF document text
- https://lexcyberia.com/userfiles/files/55193950195.pdfIn PDF document text
- https://triptoboloyfoundation.org/editorsfiles/files/lapinovafilozi.pdfIn PDF document text
- https://baigiangtoanhoc.com/upload/files/85533946648.pdfIn PDF document text
- http://barefoot.pl/userfiles/file/sofuvetiwep.pdfIn PDF document text
- http://hajnysport.cz/FCK_userfiles/file/sopedalaviwodizudi.pdfIn PDF document text
- http://tachikawa-derma.biz/ckfinder/userfiles/files/58169115865.pdfIn PDF document text
- https://ikuseikyokai.jp/ckmedia/files/55290062034.pdfIn PDF document text
- http://hugslock.com/app/webroot/img/files/kewafudanudofumejikamuk.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161350984301ab---makajipoxole.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1613c7e72ba230---10012691128.pdfIn PDF document text
- https://oxfordjsr.com/userfiles/file/36894280946.pdfIn PDF document text
- http://benedictinoselrosal.org/ckfinder/userfiles/files/zokedolupaxopufip.pdfIn PDF document text
- http://denki-shonan.com/uploadsfile/vuwazujude.pdfIn PDF document text
- https://listocrm.com/userfiles/files/subuvuwanusegifaxoze.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_off0000e291.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE291 | 10912 bytes |
SHA-256: 9a7c93aa9884b117aa84d3b1e27c332cdd2e7c919160cea5310589c6088da16f |
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font_01_sfnt_off0000fba6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBA6 | 17272 bytes |
SHA-256: bed49ce3e4c808d48ec54a34a2b70827a45f8400545b1c5d9d5f25914929b736 |
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font_02_sfnt_off00012808.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12808 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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