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. It contains a link farm pointing to multiple compromised WordPress upload directories, suggesting an attempt to distribute malicious content or conduct phishing. The heuristics indicate a pattern of SEO manipulation and disposable hosting, common in phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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 http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/16083b09d2370e---fumif.pdf
- https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/maodedlvu753j1qmds31b3bsjm/taxitusovetugadesuramu.pdf
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/h0pdpmfn6ormnkarqbd780r9s7/89063253993.pdf
- http://alexanderkanevskyartistbiography.com/clientMedia/file/82245000474.pdf
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608a656542cbc---67517058652.pdf
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/rs71g488chjm6ci5sta0gjhstv/ludivubamuvu.pdf
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160836113c1782---radibewodugadonokuz.pdf
- http://bright-inter.com/file_media/file_image/file/23532687934.pdf
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609049fe212f0---11134250294.pdf
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/160714b44cb959---26506152946.pdf
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a19af0c1b4b---72878974737.pdf
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16075d9135f316---lepanesekepatufumunipef.pdf
- http://akvari-um.ru/userfiles/file/12397152541.pdf
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8515f85859---fobav.pdf
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b52b9ebacac---vidotabaxubudixeraxa.pdf
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0fed6abd05---jodelezejivip.pdf
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/713fe85293585456a395dcdf9fdf3c94/84424789547.pdf
- http://clairvoyantinfotech.com/demo/images/gipogiwalidubajub.pdf
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/16080074e0461f---deguxejix.pdf
- http://kelvista.lt/images/files/kanezudesasedelu.pdf
- http://aimic.com/userfiles/file/medaninazevebaf.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=upper+body+cardio+workout
- 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_off0000efd8.bin2f9d0bb4954ab268a9b0f851a7ef46934cd31cc5f6454587ba2a9c0faee8a001 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFD8 | 17336 bytes |
font_01_sfnt_off00011d56.bin38a7cc757a7b524c0c9cc1edecf970fca1c13b41dfd6bc0c6a30b4afd1316908 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D56 | 10728 bytes |
font_02_sfnt_off000135f9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135F9 | 16792 bytes |
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