MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs pointing to external domains, suggesting it functions as a link farm or redirection mechanism to phishing or malware hosting sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically highlights the nature of these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
Heuristics 5
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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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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://wastran.ru/uplcv?utm_term=mid+medical+terminology PDF link annotation
- http://filetorme.com/upload/files/58817502269.pdfIn PDF document text
- http://stphilomenaonline.org/userfiles/file/13137459613.pdfIn PDF document text
- https://firsatoyun.com/calisma2/files/uploads/25361816150.pdfIn PDF document text
- http://logtech.cz/foto/Image/file/vexejonifupewuxexab.pdfIn PDF document text
- https://www.gurgy.net/ckfinder/userfiles/files/namulejirepak.pdfIn PDF document text
- https://calmoinc.com/upload/editor/file/13700918472.pdfIn PDF document text
- http://xn--80aesyq.xn--p1acf/files/file/76085102731.pdfIn PDF document text
- http://buyo-g.net/userfiles/file/31114762097.pdfIn PDF document text
- http://teplorium.su/userfiles/file/nibisululixidemud.pdfIn PDF document text
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/574c964e36a8bd3d2fb2d6edb45c2853/32143373068.pdfIn PDF document text
- http://glovimex.com/uploads/ckfinder/files/fizasatomijuvib.pdfIn PDF document text
- https://nepoo.ro/app/webroot/files/userfiles/files/2782111390.pdfIn PDF document text
- http://progettogeometra.it/userfiles/files/lusufatoxefifige.pdfIn PDF document text
- http://plaschke-partner.com/uploaded/file/68877650487.pdfIn PDF document text
- http://www.slenderclub.cz/ckfinder/userfiles/files/wugivu.pdfIn PDF document text
- https://dutchfansitenetwork.nl/ckfinder/userfiles/files/gutuxosebe.pdfIn PDF document text
- https://castel.ro/userfiles/file/22508993733.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135e2bad80a7---30705954105.pdfIn PDF document text
- http://www.arborvitae.cz/ckfinder/userfiles/files/10016528951.pdfIn PDF document text
- http://zlzljc.com/uploadfile/file///2021091602041570.pdfIn PDF document text
- http://speckletrack.com/update/editor/file/vekodefezikobo.pdfIn PDF document text
- http://partnerplus30.ru/images/fornews/files/jorabenozolare.pdfIn PDF document text
- https://newcar-rental.com/uploads/files/202109100659597396.pdfIn PDF document text
- https://mkycc4.com/kycc4.com/userfiles/files/38457384682.pdfIn PDF document text
- https://clinicamanila.com/ckfinder/userfiles/files/rujoxosagugizig.pdfIn PDF document text
- https://ckeditor.pamlskovnik.cz/ckfinder/userfiles/files/20514153236.pdfIn PDF document text
- http://tovicetour.com/FileData/ckfinder/files/20210906_EE5AB6A3DD89D1AA.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_off0000e911.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE911 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010128.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10128 | 10652 bytes |
SHA-256: 699740d74b2d287284be727c26bf97359dbb202cc49369c18e2be20bcdb79953 |
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font_02_sfnt_off0001194c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1194C | 19432 bytes |
SHA-256: 0bc167d941b77a062de87f998b98ae415ac3f1ed842760440b843173d164bdc8 |
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