MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to various domains, many of which are structured to appear as file downloads. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is designed as a link farm on disposable hosting, suggesting an attempt to distribute malicious content or phish for information. No scripts were extracted, but the structure and URL patterns are indicative of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9959
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 https://wastran.ru/uplcv?utm_term=quien+es+el+creador+del+sistema+operativo+android PDF link annotation
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135acd92d289---74507130453.pdfIn PDF document text
- https://komunalno-vrgorac.hr/files/bipovajobavadevevu.pdfIn PDF document text
- http://baove24h.info/upload/files/92217188068.pdfIn PDF document text
- https://nhahangphongcanh.com/uploads/files/vutarigilebamobetej.pdfIn PDF document text
- http://letsfinal.com/userfiles/file/24373216354.pdfIn PDF document text
- https://thibiditrading.com/public/userupload/files/67381572383.pdfIn PDF document text
- https://osikovo.eu/webroot/img/content/files/51765372310.pdfIn PDF document text
- http://wamer.org/userfiles/file/23473946442.pdfIn PDF document text
- https://epgeptech.hu/ckfinder/userfiles/files/8829601138.pdfIn PDF document text
- https://intersat.lv/files/file/gonofoxosi.pdfIn PDF document text
- https://maxflowfans.com/userfiles/file/wusekofi.pdfIn PDF document text
- http://www.ambatownship.com/ckfinder/userfiles/files/8741849366.pdfIn PDF document text
- http://gowowdeli.com/uploads/files/kikodujilubidaguduvuw.pdfIn PDF document text
- http://bonfiremadigan.com/uploads/fckeditor/file/99273642769.pdfIn PDF document text
- http://qlinairnv.be/userfiles/file/71661674994.pdfIn PDF document text
- https://kalendarz.probik.pl/fckeditor/userfiles/file/78188180579.pdfIn PDF document text
- http://monteconsultants.com/image/upload/File/dazinodufe.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/161329a7b8813c---gagivapakubiv.pdfIn PDF document text
- https://ceramicasvillaflor.cl/UserFiles/File/355555433.pdfIn PDF document text
- https://mogilew.ru/userfiles/file/23416983184.pdfIn PDF document text
- https://artesapanaderia.xyz/aym_image/files/30758039457.pdfIn PDF document text
- http://mottaing.eu/userfiles/files/57917828035.pdfIn PDF document text
- https://morethancars.eu/uploads/edytor/file/87604961913.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_off0000ae81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE81 | 15040 bytes |
SHA-256: 3405f8dac594e36f3dc823d301ccddff9f440f281ec8b6a3739ba5cd7c661274 |
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font_01_sfnt_off0000d49b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD49B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ecb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECB2 | 10900 bytes |
SHA-256: 42186cc96d8d7dc16e426da6de9cdb28048f9847f2881377408c7308bf097553 |
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