MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. The presence of numerous external URIs, many pointing to PDF files on various domains, suggests a link farm designed to redirect users to potentially harmful content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://xetnghiemadndanang.com/upload/userfiles/files/nojoxakujuzobiperewolin.pdf In PDF document text
- http://bursaceyizgelinlik.com/images_upload/files/71737277674.pdfIn PDF document text
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/16139988bb7a78---zizozebal.pdfIn PDF document text
- http://www.vako.vn/app/webroot/uploads/files/gimidebitilirojozututom.pdfIn PDF document text
- https://curtain.jinware.com/upload/files/gizakujupikeg.pdfIn PDF document text
- https://dbmotorbrokers.com/userfiles/file/58621713579.pdfIn PDF document text
- http://thepnguyentran.com/media/ftp/file/32354267505.pdfIn PDF document text
- https://barcelona-health.com/files/galeria/files/30535265255.pdfIn PDF document text
- http://liveisagenix.com/ckfinder/userfiles/files/70509442665.pdfIn PDF document text
- http://kammed.com/userfiles/file/gajebazokosob.pdfIn PDF document text
- http://www.julietlandau.com/fckeditor/userfiles/file/56790496575.pdfIn PDF document text
- https://footballsod.com/images/ck-uploads/files/nurexukebetegelubu.pdfIn PDF document text
- http://brandorbit.in/userfiles/file/39600313758.pdfIn PDF document text
- https://xn--nmqu14inmf.com/upload/files/ravawafizu.pdfIn PDF document text
- http://hotel-ambassador-nice.com/upload/files/10516349916.pdfIn PDF document text
- https://dimensionshoppe.com/alpha/ckfinder/userfiles/files/86087858973.pdfIn PDF document text
- http://twtipa.com/upfile/files/2021/09/10/favevibin.pdfIn PDF document text
- http://tufaghanafc.com/js/ckfinder/userfiles/files/xonetapolurotabo.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16131873ddc8be---74866103444.pdfIn PDF document text
- http://schuetzenfest-hemeringen.de/ablage/userfiles/files/61647432598.pdfIn PDF document text
- http://www.polni.si/Images/files/49771091123.pdfIn PDF document text
- http://hsaltsj.com/uploads/files/lofulorotagifinu.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613394d26a43e---kamenevu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=download+game+five+nights+at+freddy%27s+4PDF 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_off0000ed1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED1E | 11180 bytes |
SHA-256: d63a8d6aa59639d6a6f2e696124b69a6ab12e9954788a488c72d168075e013d8 |
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font_01_sfnt_off00010702.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10702 | 16656 bytes |
SHA-256: 2d28591822169fae997da69f0d77d85bb7d32241866c0b17b2cb613d772e324e |
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font_02_sfnt_off00013209.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13209 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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