MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which are part of a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to deliver a second-stage payload. The presence of embedded JavaScript suggests an attempt to exploit vulnerabilities or execute malicious code upon opening.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16136c4be64e9b---5487461435.pdf In PDF document text
- http://stroytehcentr.ru/images/file/pojiwav.pdfIn PDF document text
- http://piqiso.ru/userfiles/file/28416256159.pdfIn PDF document text
- http://vlajkylevne.cz/UserFiles/File/17236296534.pdfIn PDF document text
- http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/wasujibu.pdfIn PDF document text
- http://el-system.jp/uploads/2012/files/bimefegezorur.pdfIn PDF document text
- http://md-servicios.com/userfiles/file/92645066626.pdfIn PDF document text
- http://stilistspb.online/public/files/uploads/files/51515750228.pdfIn PDF document text
- https://webmakler.org/userfiles/file/65471487383.pdfIn PDF document text
- http://gpkoaee.ru/ckfinder/userfiles/files/gegok.pdfIn PDF document text
- http://whitedwarf.ru/public/images/ckfinder/files/nifatipewugogirivudimodem.pdfIn PDF document text
- https://cuatudongsaigon.vn/uploads/files/zokitisodezeti.pdfIn PDF document text
- https://sim2007.com/files/kigel.pdfIn PDF document text
- https://manage4.realtourvision.com/rtv/ckfinder/userfiles/images/files/jasamelowakorepopimus.pdfIn PDF document text
- http://travelci.ru/ckfinder/userfiles/files/73461628161.pdfIn PDF document text
- http://chamdure.com/DATA/files/jexuruzarakuviwo.pdfIn PDF document text
- http://imdmotors.com/uploadfile/file/2021090120303744.pdfIn PDF document text
- https://bunian-co.com/other_files/File/30200508706.pdfIn PDF document text
- https://fa-vietnam.com/webroot/img/files/liwipabuwodeporeruditame.pdfIn PDF document text
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16136f44432dbc---27687490432.pdfIn PDF document text
- https://towa-aaa.jp/userfiles/file/pifogurisi.pdfIn PDF document text
- http://edilcfcostruzioni.com/userfiles/files/vuremajixebevuko.pdfIn PDF document text
- http://greensquares.in/userfiles/file///bokanilekevuraluf.pdfIn PDF document text
- http://saatgaamkansarasamaj.com/admin/uploads/files/koxapejuje.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=dokkan+battle+jp+ios+modPDF 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_off0000da3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA3F | 10816 bytes |
SHA-256: 5381db38a3e87f85cb564d0056a7640580a4c57ba1ca5b93902a18e39bcc3c6e |
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font_01_sfnt_off0000f2e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2E8 | 18036 bytes |
SHA-256: f1859b778915b16f5b67b22e8eb1c7b7a95d179f04dbdc8348a5636a9f3d48a9 |
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font_02_sfnt_off00012222.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12222 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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