MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' reinforces this assessment. No scripts were extracted, but the document's structure and URL distribution strongly suggest it's part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://queure.ru/uplcv?utm_term=vedanta+dindima+telugu+text+pdf
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/do2r8ghcuaujai73qhdv23ouu7/76750191479.pdf
- http://hattingtoemrerogsnedker.dk/userfiles/file/pumowak.pdf
- https://glycocalyx.nl/userfiles/image/file/88854944091.pdf
- http://kleiberit.ru/files/file/xejulepedetufewipene.pdf
- https://thieumaunao.vn/workspace/develop/uploads/ck_upload/files/48746075431.pdf
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/ac12d873ecc597c412809025db4b7cf5/34718219147.pdf
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d5927ce01e---9839362293.pdf
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f9babced45---60862423687.pdf
- http://budoprojekt.eu/obrazy/file/benegilidudenadesidomidir.pdf
- http://vervesimuhub.com/userfiles/file/jabig.pdf
- http://kimwendelldesign.com/ckfinder/userfiles/files/81645248267.pdf
- http://rld-carbon.ru/file/73618571391.pdf
- https://ikincielinmak.com/upload/ckfinder/files/sibimilukisopolisip.pdf
- http://haokunchem.cn/upload/files/jazikowugiwamelan.pdf
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/13dc235e24eb47487f89463a45b429e7/soviki.pdf
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/e5d04c630acc4ec5ea9b112a143d3138/faronovivuwawoketak.pdf
- http://gentlemensquartersbarbershop.com/wp-content/plugins/super-forms/uploads/php/files/38b0ebe3763fa23c01eb017f86c79a36/93138888173.pdf
- https://alternatifhirdavat.com/upload/ckfinder/files/95177012773.pdf
- http://cuatro-pr.org/sites/default/files/file/79224140370.pdf
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608553fe730af---nigufozidej.pdf
- https://renhedc.com/uploads//files/202108052158432434.pdf
- https://xpress2.eu/ckfinder/userfiles/files/tetevewoleromija.pdf
- http://pc75.net/upfiles/file/1623951956.pdf
- http://eventcompany.org/clients/e/e3/e30ef11cf4efe639fe6592aa37b9cb94/File/10151105825.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_off0000dff7.bin37d84a6c0420761dde699224e213d900b6c31b34ad61a29281ed85bbdb02c7c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFF7 | 21308 bytes |
font_01_sfnt_off00011759.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11759 | 16792 bytes |
font_02_sfnt_off00012f70.bin3829ec938ed982b203b0aff38ee207a8a332063893b5a7186f23c4fafd15a12f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F70 | 10624 bytes |
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