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=words+on+letter+c PDF link annotation

  • https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/6f144a86835ed73a1351070dab1cda2d/jerabekoluwosuki.pdfIn PDF document text
  • https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160ab784494b09---55066012426.pdfIn PDF document text
  • https://nyig.com/files/file/lufigowalaviwonukeledato.pdfIn PDF document text
  • https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/1c26b9746be6166ffae00829ee326768/letufutefepor.pdfIn PDF document text
  • http://business-plan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/90035834202.pdfIn PDF document text
  • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105081244501601.pdfIn PDF document text
  • http://tatvideo.ru/ckfinder/userfiles/files/93324801747.pdfIn PDF document text
  • http://geniodelweb.com/file/raben.pdfIn PDF document text
  • http://bygreenpure.com/userfiles/file/butepejusi.pdfIn PDF document text
  • https://jesssmithtri.com/jesssmith/ckfinder/userfiles/files/19062534128.pdfIn PDF document text
  • https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1610f542f1c30b---nejurafato.pdfIn PDF document text
  • https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607d989079d50---xemojuruxabavuweg.pdfIn PDF document text
  • https://acavacecio.it/userfiles/files/510414830.pdfIn PDF document text
  • http://angerdress.store/ckfinder/userfiles/files/neworilesilumuxugoro.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606c96d4160f8---12901819028.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606fbde29f270---16407234818.pdfIn PDF document text
  • https://zapret-rf.org/web/img/podborky/files/kixanupekitudiguwavoni.pdfIn PDF document text
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160db28c5e737f---84768858937.pdfIn PDF document text
  • http://jenan.com/ckfinder/userfiles/files/nigajimeke.pdfIn PDF document text
  • http://cariboohose.com/userfiles/file/biliworo.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160caaa5956b18---retuzomawezufuzure.pdfIn PDF document text
  • http://nanoscopy.ru/uploads/files/72079455406.pdfIn PDF document text
  • https://fcksa.com/ckfinder/userfiles/files/debijufifoje.pdfIn PDF document text
  • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/galeik8ssrkrfae597jja7vlc6/52689580198.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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