MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, many of which point to disposable hosting and appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to deliver a secondary payload or phish for information. The presence of JavaScript suggests an attempt to execute code within the PDF viewer.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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://allytemp.ru/uplcv?utm_term=windows+movie+maker+for+windows+7+64+bit+free+download PDF link annotation
- http://citygclub.com/ckupload/files/dujurilumis.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1614a1d6293c94---9691954487.pdfIn PDF document text
- https://cosonnguyenthanh.vn/webroot/userfiles/files/denozuxafaxazerawib.pdfIn PDF document text
- http://orchid-daikanyama.com/userfiles/file/62155279203.pdfIn PDF document text
- https://castilloexterior.org/ckfinder/userfiles/files/71050858787.pdfIn PDF document text
- http://alpha-cp.com/userfiles/file/12542667580.pdfIn PDF document text
- http://babywagen24.de/userfiles/file/46269922677.pdfIn PDF document text
- http://goldenstarhotel.vn/images/uploads/files/pazanukuradi.pdfIn PDF document text
- http://llux.vn/uploads/files/gajelifamabo.pdfIn PDF document text
- http://gramercy-grand.ru/files/file/73201253303.pdfIn PDF document text
- http://bjerkelunden.org/content/files/userfiles/file///2489973066.pdfIn PDF document text
- http://bookblog.kr/data/file/files/35768034837.pdfIn PDF document text
- http://gaishachuukobuhin.com/js/upload/files/ruzivuviwoxapeka.pdfIn PDF document text
- http://cinstech-inspect-survey.com/fckeditor_userfiles/file/rifiwarasatupekajir.pdfIn PDF document text
- http://sensitiva.fi/UserFiles/File/64405757350.pdfIn PDF document text
- https://dildendilecevirievi.com/upload/ckfinder/files/bamixiwipuwegusasijezis.pdfIn PDF document text
- http://nebovsem.ru/app/webroot/files/files/jedusegu.pdfIn PDF document text
- http://www.ssc-ras.ru/ckfinder/userfiles/files/62677874521.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16132828a1e613---75643371084.pdfIn PDF document text
- http://hzqljsj.com/images/upload/File/guputamutetugafuwer.pdfIn PDF document text
- https://0924055971.com/uploads/files/202109041519269937.pdfIn PDF document text
- http://cpbnatation.fr/fckeditor/userfiles/file/powuvareworurujawekopifav.pdfIn PDF document text
- http://ysmenmidwestindia.org/uploads/userfiles/file/file/68990645856.pdfIn PDF document text
- http://sola-brothers.com/userfiles/file/mexejulowexedokabogok.pdfIn PDF document text
- https://dolupin.com/calisma2/files/uploads/kuludopazuxitemuved.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_off0000cb66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB66 | 11188 bytes |
SHA-256: adbce3db533337e4c13c3b88b06b3d7b1c1759dc4292c779cd4820c3187d3e84 |
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font_01_sfnt_off0000e5ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5BA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fdcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDCC | 16600 bytes |
SHA-256: 29e7537654adbc95376fead321e179d7dc87657454551e229baee5b2d17daa09 |
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