MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious. It contains embedded JavaScript, which is often used to exploit PDF vulnerabilities or redirect users. The PDF also features a large number of external URIs, many of which point to disposable domains, suggesting a link farm or phishing attempt designed to distribute further malicious content.
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 http://heyumpnd.com/userfiles/file///tepaka.pdf In PDF document text
- http://coimbrasoftware.hu/images/uploads/files/rujigageguzefotivajavif.pdfIn PDF document text
- http://soosanfix.com/upload/fckeditor/file/30273201604.pdfIn PDF document text
- https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/xakovasowadetamem.pdfIn PDF document text
- https://s-serviss.lv/userfiles/file/jabevegivajujuwori.pdfIn PDF document text
- http://standardamulet.com/files/files/9137401724.pdfIn PDF document text
- http://bhhangkhong.com/upload/images/files/91302541911.pdfIn PDF document text
- https://melz-feu.ru/upload/xutazisowuviwivipifowutow.pdfIn PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133263e098ee---986869625.pdfIn PDF document text
- https://vidaleve.ind.br/ckfinder/userfiles/files/97913351545.pdfIn PDF document text
- http://purofirstli.com/userfiles/files/togiwivodiko.pdfIn PDF document text
- http://wdnederland.nl/file/fazowuluf.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/fizojamuwike.pdfIn PDF document text
- https://crossfitbeeshark.ro/app/webroot/files/userfiles/files/63451497284.pdfIn PDF document text
- http://kirilmazbardak.com/userfiles/file/45993423476.pdfIn PDF document text
- http://omatsuri.kr/data/userfiles/files/16023566877.pdfIn PDF document text
- http://traktorpulling.de/ablage/userfiles/files/80280018782.pdfIn PDF document text
- https://smilaxlabs.com/userfiles/files/mupoviwuduve.pdfIn PDF document text
- http://vanharteyoga.nl/uploads/files/xidumivemumoropevepafu.pdfIn PDF document text
- https://global-brand.net/userfiles/files/maduximav.pdfIn PDF document text
- http://umhouses.com/uploads/files/87056458288.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161379a92af990---11175270692.pdfIn PDF document text
- http://perseverance.cyou/updatefiles/file/vitabezatamoweremiki.pdfIn PDF document text
- http://moristas.com/userfiles/files/66427809026.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=best+space+shooting+games+for+androidPDF 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_off0000e0d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0D4 | 11076 bytes |
SHA-256: f81db670b5527d8da66af989372d773f811dc6011143f88d75ad5ed660a32521 |
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font_01_sfnt_off0000fa45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA45 | 18076 bytes |
SHA-256: 669e170550d2c7fbbad338c09fd7b2761c810b57f746c9dc7d65563339c22999 |
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font_02_sfnt_off000128ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128FF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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