MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external URIs, many of which are hosted on disposable domains, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://pistant.ru/uplcv?utm_term=yts+the+official+home+of+yify PDF link annotation
- http://www.portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/vovujelurifegawojuk.pdfIn PDF document text
- http://comlark.ru/userfiles/files/99268039142.pdfIn PDF document text
- http://dalba.net/other_files/File/90151227256.pdfIn PDF document text
- http://brbud.pl/userfiles/file/jowuzotigosupolonuwojop.pdfIn PDF document text
- http://mwcapital.net/ckfinder/userfiles/files/xikugekijumaratimesubem.pdfIn PDF document text
- http://zopos.zohukum.com/ckfinder/userfiles/files/mijobotejawijujewedejo.pdfIn PDF document text
- http://csc-028.com/userfiles/file/20210905132152_pkkzs8.pdfIn PDF document text
- http://oguzlarotomatiksanziman.com/depo/sayfaresim/file/93211543581.pdfIn PDF document text
- https://lawtutors.co.uk/js/ckfinder/userfiles/files/16624220734.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161369a59ba119---67893866071.pdfIn PDF document text
- http://assushop.com/userfiles/assushop.com/file/kemavafovefaten.pdfIn PDF document text
- http://centralgiving.com/media/userfiles/file/wuguzu.pdfIn PDF document text
- https://asken.as/bilder/file/naguvesikeb.pdfIn PDF document text
- https://dadesigning.com/daduserfiles/files/debibuwodubi.pdfIn PDF document text
- http://orvositudasbazis.eu/images/upload/file/91141484413.pdfIn PDF document text
- http://techniq.ae/admin/uploadfiles/file/47737943163.pdfIn PDF document text
- https://we-plus.tw/ckfinder/userfiles/files/diluzoxoponifexo.pdfIn PDF document text
- https://www.opsclown.it/ckfinder/userfiles/files/50107696085.pdfIn PDF document text
- http://4els.ru/uploads/images/files/84731064352.pdfIn PDF document text
- https://dichvuhappyhouse.com/upload/files/pumifobokitiluvixobera.pdfIn PDF document text
- http://mirsistem.com/depo/sayfaresim/file/85022695655.pdfIn PDF document text
- http://spostojow.pl/userfiles/file/zumupubovokudo.pdfIn PDF document text
- https://vayamcs.com/content_files/files/foberexagizupakinopasafad.pdfIn PDF document text
- http://hoigolfbinhthuan.com/users/files/39006042484.pdfIn PDF document text
- https://najlepsze-w-polsce.pl/uploads/kuzodexujalavapivepixarij.pdfIn PDF document text
- https://www.bbmnetlicitacoes.com.br/cms/ckfinder/upload/files/98683138862.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_off0000c3f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3F9 | 18464 bytes |
SHA-256: 7d42c52da9cbc8f7e806d7affce90fe0c5dcf2bab41441418f22b627c09239b5 |
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font_01_sfnt_off0000f472.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF472 | 10492 bytes |
SHA-256: 41dd105ae36f71a1981775fdf79be1e510a4d542368b927dc4d14f446cc8ba21 |
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font_02_sfnt_off00010c5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C5B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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