MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript and numerous external URIs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
Heuristics 7
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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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://huntic.ru/uplcv?utm_term=cranial+nerve+9+and+10+test PDF link annotation
- https://apra.pl/files/file/25066519869.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16138dacaf34df---vidilepazolifawiteletog.pdfIn PDF document text
- http://wsm.hk/images/uploadfiles/file/23287691275.pdfIn PDF document text
- http://gold-carsales.com/js/upload/files/36344417573.pdfIn PDF document text
- https://almentispharma.com/ckfinder/userfiles/files/pamimiviferosamumite.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/9607137fe203838e29596b98d61db485/mozurize.pdfIn PDF document text
- http://kliknetezde.cz/admin/obrazky/file/nuwijopat.pdfIn PDF document text
- https://brs.jo/userfiles/files/90565205705.pdfIn PDF document text
- https://xn--80apefbdm9ah5g.xn--p1ai/userfiles/rejasofivifodigen.pdfIn PDF document text
- http://nepodoshlo.kz/ckfinder/userfiles/files/tulaluwunidonimitoramu.pdfIn PDF document text
- https://millvalley.com/wysiwygfiles/file/62207874296.pdfIn PDF document text
- https://greenbins.ca/ckfinder/userfiles/files/4157544227.pdfIn PDF document text
- https://www.luthier-auxerre.fr/ckfinder/userfiles/files/kelasorodubasizowilekim.pdfIn PDF document text
- https://rougezenekar.hu/files/file/9935850014.pdfIn PDF document text
- http://hamlineparkplaza.com/assets/amund/ckfinder/userfiles/files/xegabafozoxumokenimimi.pdfIn PDF document text
- https://atlanticcompact.org/userfiles/files/puvogija.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613c4b80c3f83---16656120419.pdfIn PDF document text
- https://lixtech.com.tw/ckfinder/ckfiles/files/pawuxogepukikomos.pdfIn PDF document text
- http://choinka4x4.org/cms/files/file/71323850364.pdfIn PDF document text
- http://norrlandet.se/userfiles/file/53937299107.pdfIn PDF document text
- http://tauben-buchmeier.de/kleinberliner-schuetzen/userfiles/files/supizotef.pdfIn PDF document text
- http://swhwsolution.it/ckeditor-ckfinder-integration/uploads/files/jegazu.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_off0000b8f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8F2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d109.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD109 | 10560 bytes |
SHA-256: 7dfce4e69510a29f1ac1c9cabc3d5c7428eb5611c650af56f8265faa6c23160b |
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font_02_sfnt_off0000e94e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE94E | 18164 bytes |
SHA-256: 59bc1fbc5aa82bf0f27cf2db25289624190183bae62c40a9919bceed97702d43 |
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