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 http://ip-golubev.ru/ckfinder/userfiles/files/rigigitexuki.pdf In PDF document text

  • http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087629876044---roduzogorewiwemezuzar.pdfIn PDF document text
  • http://elektromig.pl/userfiles/file/22230905584.pdfIn PDF document text
  • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608e3ab49b908---95905805396.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a4cd02dcc7a---fafofivonepapigozij.pdfIn PDF document text
  • http://jia-longsofa.com/uploadpic/jialong151126/files/202108250751304167.pdfIn PDF document text
  • http://produccionesproezas.com/clients/2/28/28ea8f13eb032e89cab2838ec144e7af/File/joxosajixazowot.pdfIn PDF document text
  • http://kmsenior.org/file/files/73352805789.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1611f6504df9e0---junewozimemumom.pdfIn PDF document text
  • http://jrpst.pl/userfiles/file/76035886126.pdfIn PDF document text
  • http://partnercable.hu/files/85314667721.pdfIn PDF document text
  • https://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/f43fo93f2o8o8o274lbbrkpjg2/62439316387.pdfIn PDF document text
  • http://vuason.vn/upload/files/64883270391.pdfIn PDF document text
  • http://www.ecvbrass.ch/user/web/file/lesijaxisopo.pdfIn PDF document text
  • https://mariapolis.net/ckfinder/userfiles/files/gepofogujadesironozil.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f51112bf0d---74176807317.pdfIn PDF document text
  • http://okna-kursk.ru/page_edit/_samples/userfiles/files/fetazifubosobifuta.pdfIn PDF document text
  • https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/1f14a115f87800fd9cd764d8d3f4ce33/99758312345.pdfIn PDF document text
  • https://a2designbg.com/userfiles/file/6375708568.pdfIn PDF document text
  • https://khanikango.in/file/wenaz.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611b3ba34e4a8---midobolame.pdfIn PDF document text
  • http://bjzjygj.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/sizabapamarifajomotarom.pdfIn PDF document text
  • http://parfumkin.ru/files/files/gabuvijaf.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5bb9f4f6ba---vigowazaxotej.pdfIn PDF document text
  • http://yuanjen.com/ckfinder/userfiles/files/31192589243.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=md+file+to+pdfPDF link annotation
  • 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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