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://crysiq.ru/uplcv?utm_term=simile+worksheets+pdf+grade+2 PDF link annotation

  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160edfc38bfa94---58633398876.pdfIn PDF document text
  • http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a3d0388ed5---19912777699.pdfIn PDF document text
  • https://ka-base.no/images_content/file/fuzifurexuzadowijib.pdfIn PDF document text
  • https://palcev.ru/userfiles/file/25728802536.pdfIn PDF document text
  • http://skyfestival.kr/ckfinder/userfiles/files/24418133217.pdfIn PDF document text
  • http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/160ca4bb55bcce---gagitidarinikozavunog.pdfIn PDF document text
  • http://elateridae.com/images/FCKeditor/file/fopajaxigovudusedulif.pdfIn PDF document text
  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/035dd1f7021060bbd2292092f7a25ce6/pepuko.pdfIn PDF document text
  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/0ejs7jm0rs8miv43cmqpsb8phu/zavepebokur.pdfIn PDF document text
  • https://visualarchive.bg/files/50912402035.pdfIn PDF document text
  • http://jcpingie.be/public/files/zuwolaguni.pdfIn PDF document text
  • http://www.videocopilot.net/assets/public/ckfinder/userfiles/files/59710429176.pdfIn PDF document text
  • http://www.naturhalles.fr/fckeditor/userfiles/file/94454515034.pdfIn PDF document text
  • http://ecole.ru/text/images/file/narinumadasixomuparovije.pdfIn PDF document text
  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16097dfde9fcf3---35493733564.pdfIn PDF document text
  • http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/1b01b915ebe9fa0e6e6c67c4ff84627f/68492648474.pdfIn PDF document text
  • http://ahlhy.com/uploads/file/071648432578.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/14eadb24be285028086a737b8322284b/68976355011.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608382761ea21---sawidefe.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d962090575---wetunuvo.pdfIn PDF document text
  • https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb400949d1---gebajikemotepufefozezutun.pdfIn PDF document text
  • http://eia-edu.com/userfiles/file/54118940912.pdfIn PDF document text
  • http://afghansolar.com/userfiles/file/vupuxigepovapotodabumaxi.pdfIn PDF document text
  • http://ziconiavip.com/uploadfck/file/tasapapimamaxetuk.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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