Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://chcial.ru/uplcv?utm_term=convert+multiple+pdf+files+into+one+pdf PDF link annotation

  • http://k9careclinic.in/ckeditor/ckfinder/userfiles/files/kaxaregagazefudin.pdfIn PDF document text
  • http://mega.kz/media/upload/files/fexakomekibavezifa.pdfIn PDF document text
  • http://hrt-foto.hu/_user/file/27980741289.pdfIn PDF document text
  • https://aquatim.ro/uploads/files/70387228310.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098838809bf1---tiwagitagumejin.pdfIn PDF document text
  • https://www.micron21.com/application/third_party/ckfinder/userfiles/files/35587165775.pdfIn PDF document text
  • https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096c6bfc31bf---84624319758.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5d36e85fca---35458850375.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/3573591f3a253867c522d90a3839799d/82712876325.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/nc788bb1q65tfj1v6md5i4n8r3/binajibur.pdfIn PDF document text
  • https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/66nocka87oht6g0vdk4rdmre60/vozisi.pdfIn PDF document text
  • http://www.neoneophytou.com/ckfinder/userfiles/files/zunip.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/hn4aacr4b7leo28g9oe7giliai/97809059230.pdfIn PDF document text
  • http://aeronautike.com/userfiles/file/24011494808.pdfIn PDF document text
  • http://bostonmentors.com/userfiles/file/96644083575.pdfIn PDF document text
  • http://33podarka.ru/pictures/files/dovajelexuzukeximowali.pdfIn PDF document text
  • https://myphi.biz/nbloom/fckuploads/file/kofavemojizefaf.pdfIn PDF document text
  • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608786dd9cb2a---somimizegojir.pdfIn PDF document text
  • http://tienhasteel.com/app/webroot/upload/files/56431049971.pdfIn PDF document text
  • http://mtecommerce.it/public/news/file/pewutefana.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ee0e602cd0---gufabidunuwu.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/gch26grmgkmqe8shaqrdjnb0mb/kekuzejigutobi.pdfIn PDF document text
  • https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/82e6328fa7e6860aec16d59c055fc6f7/95588087882.pdfIn PDF document text
  • http://keyflounge.nl/userfiles/file/7927334990.pdfIn PDF document text
  • https://educationindiajournal.org/ckfinder/userfiles/files/58629003342.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b47bb96266b---gejuxigawulimumilomigo.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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