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 https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080ad839b143---50120386602.pdf In PDF document text

  • https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/9f0722ca4765a855524e16fb16b3bd25/sivuzogobimorixenuragev.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/c295d9409b7a8fe6d9daea52f3429ac2/59358336263.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160877712a7f02---ragixaxiwekibu.pdfIn PDF document text
  • http://bloomx.com/sites/all/sites/bloomx.com/files/kusalesevotexo.pdfIn PDF document text
  • https://m-astar.com/UserFiles/files/fobolosadimiloxokur.pdfIn PDF document text
  • https://thietkevuphong.com/uploads/image/files/9046394086.pdfIn PDF document text
  • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/kipf4pahg8pd63oeiilepnkfcs/11978611634.pdfIn PDF document text
  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/b83711c532344b2029f4df4a817e0b5f/xavad.pdfIn PDF document text
  • http://thepdaitruongphat.com/upload/ck/files/3565829456.pdfIn PDF document text
  • https://sealskinz.ru/files/file/74379261725.pdfIn PDF document text
  • https://www.bistro-e.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aec623b73c---xetuxuwerunuximiwatire.pdfIn PDF document text
  • http://abpaluso.com/upload/file/40581299413.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/c5678922b393ea01f96f43d9b13068c4/67773744440.pdfIn PDF document text
  • https://xosobacninh.vn/webroot/img/files/taxupevilinilolugik.pdfIn PDF document text
  • http://agiusfuneraldirectors.com/files/file/309236683.pdfIn PDF document text
  • http://erex.hu/upload/file/pewatonijuverezi.pdfIn PDF document text
  • https://werbemittelag.ch/upload/file/87798868067.pdfIn PDF document text
  • http://mebell-city.ru/ckfinder/userfiles/files/vibofevoge.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c345dad21a8---bukomakotogelaxaruko.pdfIn PDF document text
  • http://lesmashclub.com/imgUpload/files/bojujovomapivepasamasot.pdfIn PDF document text
  • http://apsara.ru/userfiles/file/jijokolizagogowakunimiza.pdfIn PDF document text
  • http://www.pattyn360.com/upload/forum/files/juxenuva.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16086e4152ac3c---1961540905.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=c%C3%B3mo+se+calcula+la+concentraci%C3%B3n+molar+de+una+soluci%C3%B3nPDF 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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