MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. This script likely redirects the user to external URLs, as indicated by the PDF_URI and EMBEDDED_URL heuristics, which point to a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://fli.edu.mn/ckfinder/userfiles/files/tivozogukofexiwesowuxed.pdf In PDF document text
- http://kuwaited.com/cote_dor_import/admin/ckfinder/userfiles/files/85563244655.pdfIn PDF document text
- https://www.geya99.com/ckfinder/userfiles/files/70478775126.pdfIn PDF document text
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/d65f47d0e953337e66fb7de4b21efaf2/39835572055.pdfIn PDF document text
- http://edmo-cars.nl/images/file/nemeludubugopimexas.pdfIn PDF document text
- http://kastely-vacduka.hu/fileok/file/nasase.pdfIn PDF document text
- https://hoalavender.net/upload/files/92431436845.pdfIn PDF document text
- http://soloparamideco.com/js/new/fckeditor/userfiles/file/61723924071.pdfIn PDF document text
- http://studiotecnicostradi.eu/userfiles/files/sositikikojebamitipux.pdfIn PDF document text
- http://tehpromyar.ru/media/file/89043752801.pdfIn PDF document text
- http://gyogytornasz.hu/editor_up/jetekukikarapizu.pdfIn PDF document text
- http://adec-interiors.net/Uploads/file/87898778549.pdfIn PDF document text
- http://talcmanagement.com/uploaded_files/userfiles/files/53678811516.pdfIn PDF document text
- https://istanajp.com/contents/files/48405054318.pdfIn PDF document text
- https://mbzl-pro.xyz/web/img/podborky/files/60810761437.pdfIn PDF document text
- http://dulichtantai.com/files/uploaded/files/11072949157.pdfIn PDF document text
- http://somsit.com/ckfinder/userfiles/files/tigavuti.pdfIn PDF document text
- http://htwy.com/upload/file/10375707986.pdfIn PDF document text
- http://beccaro.it/userfiles/files/79294471959.pdfIn PDF document text
- http://gostinica-domodedovo.ru/files/loberewanaxediramukafume.pdfIn PDF document text
- http://czyxchem.com/upload/files/4207555250.pdfIn PDF document text
- http://toroisg.com/public/images/files/xudefizax.pdfIn PDF document text
- http://satakantaresort.com/user_img/files/fikojetibug.pdfIn PDF document text
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/5bf60c443bf5438a2ab0071265ca9f26/sapiriruwuradazikoko.pdfIn PDF document text
- https://www.sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/17094976251.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=naturalis+principia+mathematica+pdfPDF 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_off0001ce53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CE53 | 10844 bytes |
SHA-256: dfa2d6b7e19e73e2fff90b24e17b72dcc3f601fdf41c9cda5d63d47e43320537 |
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font_01_sfnt_off0001e71d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E71D | 22112 bytes |
SHA-256: e8b3b3c98425f08cb46aa78bb8c03ad6896d7a21dcfd0cdd0b7d16e5c642e846 |
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font_02_sfnt_off0002207c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2207C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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