MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for delivering malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates the document is part of a link farm designed to redirect users, and the ML classifier strongly suggests maliciousness. The embedded JavaScript likely facilitates the download of a second-stage payload, as indicated by the PDF_JS heuristic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://alpes-maritimes.proximeo.com/ckfinder/userfiles/files/7490730054.pdf In PDF document text
- https://stpatswatertown.org/ckfinder/userfiles/files/gasemovamadiwanuxaronazi.pdfIn PDF document text
- http://everbeenmagnet.com/js/upfiles/files/49577750420.pdfIn PDF document text
- http://aibasylhet.edu.bd/app/webroot/ckfinder/userfiles/files/9469452864.pdfIn PDF document text
- http://fqcycpa.com/jingkelun/userfiles/files/20210903093316.pdfIn PDF document text
- http://gro-felix.si/uploads/77927852746.pdfIn PDF document text
- http://datev.hu/ckfinder/userfiles/files/nunuzesuguxinele.pdfIn PDF document text
- http://xedaptap.net/userfiles/file/rawikew.pdfIn PDF document text
- https://hopadive.cz/ckfinder/userfiles/files/titafupudoges.pdfIn PDF document text
- http://dj-maily.com/uploads/pages/files/31130479533.pdfIn PDF document text
- http://petraifevronii.ru/ckfinder/userfiles/files/20806166628.pdfIn PDF document text
- http://thuexe7cho.vn/upload/files/57947175346.pdfIn PDF document text
- https://ubk-sad.de/azubi/userfiles/files/72628060246.pdfIn PDF document text
- https://nedimgame.com/calisma2/files/uploads/revejizo.pdfIn PDF document text
- https://briljant-maleri.se/UserFiles/files/wunuvokewebosejelukazo.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/gogavuzogog.pdfIn PDF document text
- http://xn--80adic7alej3d.xn--p1ai/userfiles/file/61135120453.pdfIn PDF document text
- https://svltv.in/userfiles/files/kesodufara.pdfIn PDF document text
- http://lammermoor.net/imagenes/file/donubasev.pdfIn PDF document text
- http://ktcz.eu/files/files/22524702216.pdfIn PDF document text
- https://ventadeterrenosurbanos.com/userfiles/file/wavumemenufoxenorowode.pdfIn PDF document text
- https://atcotourismtravel.com/userfiles/file/58414865220.pdfIn PDF document text
- http://buydecor.ru/uploads/files/35655495680.pdfIn PDF document text
- http://kientrucnhacuagio.com/upload/files/18185430372.pdfIn PDF document text
- https://cottonweb.net/userfiles/file/lewerovefoxanelubo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=download+microsoft+office+android+gratisPDF 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_off0000b73d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB73D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cf4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF4F | 17268 bytes |
SHA-256: 855872ae045ae827a181e3cc73494bd352e9fbada3088b32e4032186f496e066 |
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font_02_sfnt_off0000fc7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC7F | 10908 bytes |
SHA-256: e94643632551b6e3c156d2de5e312c7848fd5fc9e9f18de4913dd47a91ea6088 |
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