MALICIOUS
156
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, many of which point to disposable hosting or compromised CMS upload directories, suggesting a link farm designed to redirect users. The presence of these links indicates an attempt to direct users to external, potentially malicious sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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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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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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://garglob.ru/uplcv?utm_term=monster+hunter+game+ios
- http://headrepublic.pl/images/files/7657208803.pdf
- http://www.offshoreyachts.net/web_upload/editor/files/jiwazaluwubuzume.pdf
- http://golfvillageonline.com/userfiles/file/mewirugozurilixowakaz.pdf
- http://veterina-hrib.cz/user-uploads/files/rowafanijefox.pdf
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613e673216780---sijinamaro.pdf
- https://www.le-domaine-de-hauterive.fr/ckfinder/userfiles/files/senafuluzotegubadopasajo.pdf
- http://fairbank-ia.org/admin/ckfinder/userfiles/files/89734057573.pdf
- https://mintowncoffee.net/uploads/images/files/megoputabinefewiw.pdf
- http://hightopeducation.com/cms_uploaded/file/57325133375.pdf
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161394b9cc9764---gaduzoven.pdf
- https://jagamimpi.org/contents/files/wenigo.pdf
- http://mercuresamuichaweng.com/admin/file/vosomolozalurosibatil.pdf
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/161338c397cbfd---napoxefuwitaxiropu.pdf
- http://hacsbathtarntaran.org/~/userfiles/file/zokifudozefo.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/goiortul9cc01ir75kfns4ljk7/pefaronipumotukizudawar.pdf
- https://clinicaabrahaoosta.com.br/ckfinder/userfiles/files/19272316581.pdf
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/e03dda28ab8efd4e1d563b7e11bf2a93/63592592208.pdf
- https://sadex.pl/fck/file/96303716301.pdf
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613741351ed73---30364520521.pdf
- https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/zikalijudun.pdf
- http://files.ibiza-ferien.de/file/kefegitaduxezusijeke.pdf
- http://elezioni2014.gds.it/userfiles/file/gegonuxibo.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e087.bin26749cb1c617eeff1730c3ac28c114b64e147645a7ecdf7075dc543149e3d4a5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE087 | 18660 bytes |
font_01_sfnt_off000110e8.bin1911bbed9cb48d1f8959215c29c2a66e099a8ad922cd2c4401535a84db036f51 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110E8 | 10600 bytes |
font_02_sfnt_off000128f9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128F9 | 16792 bytes |
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