Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF 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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The 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.
• Embedded URL info EMBEDDED_URL
  One 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://archism.ru/uplcv?utm_term=activate+your+grammar+and+vocabulary+b2+answers PDF link annotation

  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160838d3430515---bijimepozerib.pdfIn PDF document text
  • https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160826a07c6eca---lefudefenezi.pdfIn PDF document text
  • http://euroear.eu/ckfinder/userfiles/files/76366326264.pdfIn PDF document text
  • http://ac-kenigsberg.ru/files/file/8946917744.pdfIn PDF document text
  • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16079cd8c093e2---90203129216.pdfIn PDF document text
  • http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0bffa70f82---lipuzibonuvesopevigamad.pdfIn PDF document text
  • https://workinhotel.com/upload/fckfile/31032533273.pdfIn PDF document text
  • https://itacademyindia.com/ckfinder/userfiles/files/sulujo.pdfIn PDF document text
  • http://shinex-auto.com/userfiles/file/46025404235.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b1677959800---xenukegivupakesa.pdfIn PDF document text
  • http://www.truca-taoules.com//ckfinder/userfiles/files/73605907428.pdfIn PDF document text
  • http://stlukesmn.org/clients/17773/File/doxotu.pdfIn PDF document text
  • http://gocchame.vn/app/webroot/img/uploads/files/93303413697.pdfIn PDF document text
  • https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/0c8369a7a4b1edd4135b6c5ffef49d61/38648329839.pdfIn PDF document text
  • https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/ia3rpve50qhc05l63eklun8lfb/tuwekaronep.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/3b334ce6e02e2d931f8640a1f82b9450/97381984678.pdfIn PDF document text
  • http://tele-video.ru/upload/files/xifekemabavufif.pdfIn PDF document text
  • http://interel-rus.ru/test/sites/default/files/file/86082321453.pdfIn PDF document text
  • http://albatrossmrn.com/konadnew/userfiles/file/981299435.pdfIn PDF document text
  • https://pmms-online.com/assets/file/zorolututemileveweno.pdfIn PDF document text
  • http://ainut.fi/userfiles/file/gufekexigasewap.pdfIn PDF document text
  • http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/16074ae0f1697e---josunadudofumezetomefowaj.pdfIn PDF document text
  • https://prana.video/wp-content/plugins/super-forms/uploads/php/files/cl4iahhmskkq5fqsor627i7k7f/jutikupiwilixawepuke.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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