MALICIOUS
182
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The PDF contains embedded JavaScript and multiple external URIs, some of which are hosted on suspicious domains. Heuristics indicate a browser installation lure and a link farm, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely involving the execution of JavaScript to download a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 8
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://moraure.net/js/ckfinder/userfiles/files/26671179074.pdf In PDF document text
- https://dichvuketoansg.com/luutru/files/xagupufupemogemuzajevure.pdfIn PDF document text
- http://dawahcity.com/userfiles/file/1450042210.pdfIn PDF document text
- https://qatarsecurityservices.com/public_html/userfiles/file/xavikawudedijazoluluri.pdfIn PDF document text
- https://stephankeppel.com/userfiles/file/lorolax.pdfIn PDF document text
- http://www.thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/nitogudalositozisanajelo.pdfIn PDF document text
- http://vonschickenfremont.com/uploads/files/sodovelakorogivoledewaw.pdfIn PDF document text
- https://millvalley.com/wysiwygfiles/file/75238561274.pdfIn PDF document text
- http://boldogelet.hu/media/71359884047.pdfIn PDF document text
- http://asesorgubernamental.com/images/file/xarixoxebutekiradatoto.pdfIn PDF document text
- https://skykharchono.mn/editor/files/wevirukijugebiloba.pdfIn PDF document text
- http://zamokugrofa.sk/admin/fckeditor/file/zonozipolasiriwanifo.pdfIn PDF document text
- https://burgaseguros.com/userfiles/file/94019982350.pdfIn PDF document text
- http://vizugy.hu/uploads/files/34972983976.pdfIn PDF document text
- http://aroma-es.site/yamituki-n/uploads/files/47342991034.pdfIn PDF document text
- https://gulfb2b.com/userfiles/file/50055637880.pdfIn PDF document text
- http://yuanhebiotech.com/upload/files/59248326740.pdfIn PDF document text
- http://argol-editions.fr/userfiles/file/kewakugorafomajitewemabor.pdfIn PDF document text
- http://thaoduoconline.com/userfiles/image/file/pizila.pdfIn PDF document text
- https://dansobentre.net/uploads/file/8961157786.pdfIn PDF document text
- https://ruta.hu/ckfinder/userfiles/files/nukojiwitifejav.pdfIn PDF document text
- http://lngpetro.com/userfiles/file/zadipebi.pdfIn PDF document text
- https://rosebankprimary.co.za/inc/ckfinder/userfiles/files/85688558184.pdfIn PDF document text
- http://dermalab.pl/userfiles/file/kerexofijaw.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=moto+face+unlock+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_off0000c67c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC67C | 10524 bytes |
SHA-256: 06bcb5b7e75c43e5c23c9b9dcc0abed0aa49170ca293f07c8758ae696f2ad3d3 |
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font_01_sfnt_off0000dead.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEAD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f6bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6BF | 17824 bytes |
SHA-256: 8894c21b4b161402607b037ec2c2000e16d077bf085fbe15cf99fe4f429e8860 |
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