MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and other domains, likely serving as a distribution point for phishing or malware. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://oniceh.ru/uplcv?utm_term=a+price+floor+set+at
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160cd00015a85d---38550810340.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/5a833de19827bfc65cc1f1260c6d43f7/fujatijamo.pdf
- https://ferado.vn/userfiles/file/1422213443.pdf
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608fb3ea62fa1---61482948622.pdf
- https://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/8gtuovcq8c6vq2i70jodmdmn2r/91717317901.pdf
- https://matrainagycsalados.hu/userfiles/file/pudovokinutuwogokowesas.pdf
- http://mynigaoe.com/upload/file/20210622171113.pdf
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080a0c4c7950---51379489659.pdf
- http://119hero.kr/userData/board/file/39620475728.pdf
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160b5a84641641---22379262430.pdf
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160bcaa3e98377---burufinopadejebebu.pdf
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160808420611cc---32719434171.pdf
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/dc1c40333bee777e4af4a77afeaabed6/67390845968.pdf
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b728d05f9be---jarajodixamizatovodikir.pdf
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d5114dcf284---29112478323.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abfed8756a7---8436815791.pdf
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bd3b65c37d4---35435081455.pdf
- http://anaminfo.com/attachfile/file/kodin.pdf
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076d57bd142f---gapiwokegenaja.pdf
- http://uni-farm.pl/ckfinder/userfiles/files/92539190424.pdf
- http://www.maderas-navarro.com/ckfinder/userfiles/files/wesukurot.pdf
- http://babyindex.nl/images/uploads/zikixodux.pdf
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb700b3634e---sobez.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_off0000f474.bindd2309bad8cc355bf2dcecc0e6096646b48875c75f28d90b0670d8613b2c1d6e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF474 | 17432 bytes |
font_01_sfnt_off00012261.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12261 | 16792 bytes |
font_02_sfnt_off00013a78.bine3bd611825b9103802e93334bce6622f4dece2d64dd8f3486657e6228b02c18d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A78 | 10352 bytes |
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