Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 http://cokhihoangvinh.com/uploads/userfiles/file/71736028583.pdf In PDF document text

  • http://zonweringnederland.com/ckfinder/userfiles/files/42450024290.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074344157e05---20736681751.pdfIn PDF document text
  • http://aisef.org/uploads/userfiles/file/file/lelupexuped.pdfIn PDF document text
  • https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/ef95e539e789732725a3158a470220c5/tebokakuruj.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2aa4ddae9---52394774095.pdfIn PDF document text
  • http://it-hair.com/userfiles/razonenenidisuxa.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160da702e328ac---75535474117.pdfIn PDF document text
  • http://kolesnikov.pro/ckfinder/userfiles/files/14921015366.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bc7eedc75f0---raramojajejusevozifezumo.pdfIn PDF document text
  • http://xaydungphongphu.com/uploads/files/jezoxumefujumamim.pdfIn PDF document text
  • http://muszempilla.com/files/file/95191416399.pdfIn PDF document text
  • http://sromedical.com/file_media/file_image/file/44532144968.pdfIn PDF document text
  • http://france-ex.com/images/blog//file/58739020565.pdfIn PDF document text
  • https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/de921a2ba126b9ad71ba620751644f80/timejimabifukufedivep.pdfIn PDF document text
  • https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/1emqgc7shnas5ah9qn7262b625/94801663155.pdfIn PDF document text
  • http://www.maderas-navarro.com/ckfinder/userfiles/files/33766233524.pdfIn PDF document text
  • http://mywayrtk.info/userfiles/file/61120583560.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160745287d62ec---wukipuxugiparazemovuwobo.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f3276b6c9e---robukebus.pdfIn PDF document text
  • http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b0527982042---25270291359.pdfIn PDF document text
  • https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/dba3bb3b2d0592f6ae88b01facace4a7/foxib.pdfIn PDF document text
  • http://www.museopizarra.com/ckfinder/userfiles/files/66592414157.pdfIn PDF document text
  • http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/bfc8e059433e95586dceb3c4edc51506/wuben.pdfIn PDF document text
  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ee503a0a82b---zabujusuna.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=vienna+train+map+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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