MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to external PDF files, suggesting a link farm or redirection mechanism. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a pattern of using disposable hosting for these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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://www.bash.cl/media/file/pepaluniwirubebokotalir.pdf In PDF document text
- https://fiberglasssupplydepot.com/userfiles/files/fulukabetuzuxodapifubojuw.pdfIn PDF document text
- http://guanzhuli.com/userfiles/file/67015498485.pdfIn PDF document text
- http://sportingfoundation.com/uploads/file/tomidafegisolefen.pdfIn PDF document text
- http://hotelrefah4ter.ir/basefile/hotelrefah4terir/files/vabitemedibokonunupu.pdfIn PDF document text
- http://handsonmontessoripk.com/userfiles/files/ripinulofitobi.pdfIn PDF document text
- https://suativisamsungtaihanoi.net/upload/files/xasisekupufavub.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/161414324cf015---95086442723.pdfIn PDF document text
- https://latework.cz/soubory/zajetuxatev.pdfIn PDF document text
- http://jts-electrical.co.uk/ckfinder/userfiles/files/83282028697.pdfIn PDF document text
- http://intertravel.hu/_user/file/88076081814.pdfIn PDF document text
- https://mangonebike.com/uploads/file/gizexomekak.pdfIn PDF document text
- https://www.gico.ge/ckfinder/userfiles/files/materubiwatilile.pdfIn PDF document text
- http://liebherr-tr.com/userfiles/file/8587363875.pdfIn PDF document text
- http://pwr-tech.ru/userfiles/file/ripojimuzovesu.pdfIn PDF document text
- http://gibisch.com/files/files/66029612409.pdfIn PDF document text
- http://bong-dem-long.org/upload/editor/files/kerunolibolotade.pdfIn PDF document text
- http://gerd-pollak.de/userfiles/file/wanetakip.pdfIn PDF document text
- http://ilkemymm.com/image/files/gizagegudigetupojaxudoreb.pdfIn PDF document text
- https://cursosadistanciayonline.com/medios/files/74389114001.pdfIn PDF document text
- https://typeone.com.my/ckfinder/userfiles/files/ranevovejinavowuxufe.pdfIn PDF document text
- http://mrcubezpieczenia.pl/app/webroot/media/files/56686439780.pdfIn PDF document text
- http://eros-arena.de/eros/userfiles/file/pivowu.pdfIn PDF document text
- http://www.ks-klinika.ru/ckfinder/userfiles/files/wusixulunatub.pdfIn PDF document text
- https://hohsingfiber.com/ufiles/files/bonepanusuzatusedal.pdfIn PDF document text
- http://ptichile.cl/userfiles/file/kigesagovomuwuwesasutaz.pdfIn PDF document text
- https://www.akilciilacdernegi.com/ckfinder/userfiles/files/45295098859.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=how+turn+off+developer+modePDF 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_off0000d73e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD73E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF50 | 17464 bytes |
SHA-256: dff3a392b453dddb64e51f32931bf47b5313999f3b3406d78c205c73a2f10f72 |
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font_02_sfnt_off00011be8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BE8 | 10480 bytes |
SHA-256: 8ce1c1c5958961624a46a8b06344efcae7830e7b20e40a155b27c03391236c2c |
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