MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains a large number of embedded URLs pointing to various domains, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and the nature of the embedded links strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://infrive.ru/uplcv?utm_term=free+spin+coin+master+hack+link PDF link annotation
- http://kondicionery-vidnoe.ru/upload_picture/file/xujitakati.pdfIn PDF document text
- http://evrofurnitura.by/elax-furnitura.ru/uploads/files/dukigabolipufavopexujev.pdfIn PDF document text
- http://zjhywt.com/images/upload/File/tirakuwosuzaguxotuf.pdfIn PDF document text
- http://alacartedesign.de/userfiles/file/66227278990.pdfIn PDF document text
- http://greenhousehotel.vn/uploads/image/files/4386187953.pdfIn PDF document text
- http://infracsap.hu/files/file/69346211142.pdfIn PDF document text
- http://gro-felix.si/uploads/gidexesomu.pdfIn PDF document text
- http://saopauloairporttransfers.com/ckfinder/userfiles/files/fadezafufejotewupi.pdfIn PDF document text
- http://ediljolli.com/userfiles/files/72282118939.pdfIn PDF document text
- http://top-rubber.com/admin/fckeditor/editor/filemanager/connectors/upload/file/bunedikilikokapemoju.pdfIn PDF document text
- http://studiotecnicoprato.eu/userfiles/files/nufajuvokewaz.pdfIn PDF document text
- http://hocomesun.com/upload/mepowomorekovanoxobevetu.pdfIn PDF document text
- http://xn--oy2b19v1mb1yi.com/userfiles/file/20718941900.pdfIn PDF document text
- https://bya-ingenieria.com/ckfinder/userfiles/files/vidalaneseror.pdfIn PDF document text
- http://themetamorphoseprogram.com/userfiles/file/75864242679.pdfIn PDF document text
- http://netdepphunu.vn/images/userfiles/file/88009446681.pdfIn PDF document text
- https://drakbera.com/ckeditor/ckfinder/userfiles/files/24830399510.pdfIn PDF document text
- http://thebankcardservices.com/uploads/files/lofijekig.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161335671c0252---42794893005.pdfIn PDF document text
- http://busangh.com/attfile/fckimg/file///20210902132913_1071783210.pdfIn PDF document text
- http://carmakers.cz/userfiles/files/80700203270.pdfIn PDF document text
- https://braus.uz/images/shared/file/8471105581.pdfIn PDF document text
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613e7fc03f591---69797772480.pdfIn PDF document text
- https://betenrealestate.com/sites/default/files/file/71034988388.pdfIn PDF document text
- http://hissekurban.com/resimler/files/revuvazo.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_off0000b5bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5BC | 10708 bytes |
SHA-256: 26eddd0a0c2759c87e14a9644d7483b6ce7bc4683ea9a9132e942f16ad9d6c93 |
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font_01_sfnt_off0000ce1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE1A | 17204 bytes |
SHA-256: ebd9782e2ec024dcaa8a8176c96c9ed5dd7974d882fd6dba4e658fed872e7d44 |
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font_02_sfnt_off0000fa18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA18 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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