MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a link farm. It contains numerous URLs pointing to compromised WordPress sites and other domains, suggesting an attempt to redirect users to malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a non-clustered link farm on disposable hosting, further supporting its use in phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://wastran.ru/uplcv?utm_term=common+nightbot+commands+for+twitch
- http://katachizu.com/img/news/files/japeropakedurelij.pdf
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160b57cf6bbbbf---91745333062.pdf
- https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/6eb3e61a7b9310e2104963d25a17ac22/89352865208.pdf
- https://www.alphaveneers.com/wp-content/plugins/super-forms/uploads/php/files/7d3f308a22140efe8df7b9cba5a23670/38818021088.pdf
- http://zlato-invest.cz/upload/files/vesejowewidodiralusufab.pdf
- https://forcechicago.com/wp-content/plugins/super-forms/uploads/php/files/6975b4fb6e73f1f80b03bd5d9a6d2165/lizonejakenoxa.pdf
- https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/376c22ff8bda1a243fb4c11b1180dc06/4434840198.pdf
- https://hashtag.school/userfiles/file/paginobagikemaxiz.pdf
- https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/81f8c0e27bc919cc1017ddae0c2d899e/sikifivolelaludagemopi.pdf
- https://www.sudburyhighspeedinternet.ca/wp-content/plugins/super-forms/uploads/php/files/23e1d349c502ad702cde3a26e2e0e730/98661567587.pdf
- https://smartcirclegroup.com/userfiles/file/6802598929.pdf
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609be6452cb96---pazizebasevilo.pdf
- http://hkt-optics.com/hkt/images/userfiles/file/dotitujap.pdf
- http://bomtvplus.com/data/board/file/20210521101152.pdf
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/qdj25f780o8kr5uei9ra0irmat/17565346988.pdf
- http://lnimeina.it/userfiles/files/13175394856.pdf
- https://dienlanhhonganh.com/images/pic/file/rugonetivamiduwi.pdf
- https://gwynharmon.com/home/gwyn/public_html/ckfinder/userfiles/files/95440570547.pdf
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/0oba7jujrvk13h3l40p6kp94pr/58797509944.pdf
- https://cursosgratuitosonline.es/wp-content/plugins/super-forms/uploads/php/files/uobemafmrj29oufhtt338820f5/49490911328.pdf
- https://beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/655d7297f92f9ef1342fd166882d5cc5/vilibajo.pdf
- https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/03d7b213ddf659f0e9e1f265f7754e55/8614707961.pdf
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160c7942bbd3d5---51286361687.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_off00011cf4.bin78c969a9ffb687d370f1b0a2825f82bb9a70a7266b865465a32994ad36156225 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CF4 | 18968 bytes |
font_01_sfnt_off00014e55.bina32ed4659c95caee093a86a1535884e94c01fd48c618d2cc46ee6c1afc10ab86 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E55 | 11004 bytes |
font_02_sfnt_off00016793.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16793 | 16792 bytes |
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