MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many pointing to disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is designed as a link farm, likely to distribute malicious content or phish for credentials. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9897
Heuristics 6
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://smidgel.ru/uplcv?utm_term=one+day+shootouts PDF link annotation
- https://peterdegendt.be/file/33475561964.pdfIn PDF document text
- http://taemyung.com/data/upload/file/womijujemixa.pdfIn PDF document text
- http://sinoscaform.com/upload/ckimg/files/202109071655027575.pdfIn PDF document text
- https://takarasushimn.com/userfiles/files/tamunedapimo.pdfIn PDF document text
- http://z500.si/files/9169738649.pdfIn PDF document text
- https://braindevelopmentmaps.org/userfiles/files/94876111026.pdfIn PDF document text
- http://china-zub.ru/userfiles/file/naronisivurugageba.pdfIn PDF document text
- http://divelife.kz/files/file/jufavosasujevafikiti.pdfIn PDF document text
- https://www.aukuras.org/ckfinder/userfiles/files/binifume.pdfIn PDF document text
- https://sieuviet.net/webroot/img/files/96312756803.pdfIn PDF document text
- http://geometrabottero.it/userfiles/files/libigitegopikigawufema.pdfIn PDF document text
- https://catequesisnavarra.org/guiarte_userfiles/files/37868536408.pdfIn PDF document text
- http://farmaciacogliate.it/userfiles/files/8927588000.pdfIn PDF document text
- http://dylogistics.com/userData/board/file/dukatasadukupo.pdfIn PDF document text
- https://fong-cai.com/upload/files/likutubitubalusir.pdfIn PDF document text
- http://wagnerpc.com/userfiles/files/bosobapejur.pdfIn PDF document text
- http://laptopplus.be/app/webroot/files/userfiles/files/nupipubuguzar.pdfIn PDF document text
- https://www.almuhja.com/ckfinder/userfiles/files/rumawudejovu.pdfIn PDF document text
- https://noble-program.site/js/ckfinder/userfiles/files/43461927953.pdfIn PDF document text
- https://xlspandoek.nl/userfiles/file/wutujalegivuxisuzonodaxid.pdfIn PDF document text
- http://akifkasaboglu.com/esatfisek/images_upload/files/jogarafezuromegovibuke.pdfIn PDF document text
- http://kadh.kr/bobod/upload/file/pojurazupod.pdfIn PDF document text
- https://thietbivesinhsonhoa.com/webroot/img/files/zukapumom.pdfIn PDF document text
- http://myflora888.com/ck_files/files/dadalotubetikolok.pdfIn PDF document text
- https://costabravas.com/uploads/localidades/files/gonugurubumotoronub.pdfIn PDF document text
- https://giaphutelecom.com/tctt/sites/aaa/file/49726693071.pdfIn PDF document text
- https://strategieb2b.ca/userfiles/file/nikupisenugi.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_off000105dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105DC | 18144 bytes |
SHA-256: 6f86da6c18de1509386eef8e602c6075726e79a8845178885705b98b6db6f800 |
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font_01_sfnt_off000134b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134B7 | 10344 bytes |
SHA-256: 1deeec5c94baa0828e9448644176e6d14d524a54129a5de08b4f795a01c7ea4b |
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font_02_sfnt_off00014c21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C21 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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