MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, with heuristics indicating it functions as a link farm. It contains numerous embedded URLs pointing to other PDF files hosted on various domains, suggesting a distribution or phishing campaign. The 'utm_term_redirector' heuristic further supports the idea of a coordinated redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 5
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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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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://lyzebrno.cz/userfiles/file/fomoxotenimoj.pdf In PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1613dd126b9428---fuluzomiru.pdfIn PDF document text
- http://smeeing.com/userfiles/files/24124172147.pdfIn PDF document text
- https://vico-real-estate.com/ckfinder/userfiles/files/1326294453.pdfIn PDF document text
- http://hublihorse.com/uploads/userfiles/files/bekum.pdfIn PDF document text
- https://kolbandibileklik.com/resimler/files/tudanepidig.pdfIn PDF document text
- https://santevita-bg.com/ckfinder/userfiles/files/74213181054.pdfIn PDF document text
- http://ckrestaurantgroup.com/ckfinder/userfiles/files/56623729604.pdfIn PDF document text
- http://dolphinegypt.net/userfiles/file/vovifen.pdfIn PDF document text
- http://ilksolar.com/Images/Media/files/80309530476.pdfIn PDF document text
- https://takipbizde.com/calisma2/files/uploads/gebedolulenabanixuz.pdfIn PDF document text
- https://dangeloremodeling.com/nbloom/fckuploads/file/84268295054.pdfIn PDF document text
- https://esprimagroup.com/userfiles/file/69763429771.pdfIn PDF document text
- http://stroi-sistema.ru/img/23803208412.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161368c092845b---3653343516.pdfIn PDF document text
- http://ville-dammarie.com/ckfinder/userfiles/files/zorofefodezufuxuwenebiro.pdfIn PDF document text
- https://neurondevelopment.org/userfiles/file/doxedudizokugifiremaviz.pdfIn PDF document text
- http://nsmpublicschool.org/slbdavbatala/userfiles/file/rusunotopukanugowemividu.pdfIn PDF document text
- http://qqwandai.com/uploadfile/file/nofodefaxeruvowelabunoba.pdfIn PDF document text
- http://kientrucphatloc.com/upload/files/19703879521.pdfIn PDF document text
- https://radiosmile.hu/upload/file/19642869685.pdfIn PDF document text
- http://retrolondontees.com/userfiles/file/xejabulilozaxikepan.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=minecraft+desert+house+interiorPDF 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_off0000ecc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECC4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000104d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104D6 | 18484 bytes |
SHA-256: c72b1b1c3b730a1e480cde7c52ccdf273353c6aaffe4a85bd3fffca976a63d01 |
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font_02_sfnt_off00013511.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13511 | 10620 bytes |
SHA-256: a82d3f9c3997d0bd51e66547946ee37c6b7b1f8143d2f88caa9bf188584b5d55 |
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