Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 https://adikkedua.com/contents//files/71937921621.pdf In PDF document text

  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16099e682138d5---91580640996.pdfIn PDF document text
  • https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/1bc8387ac16cd276b3250c6f5c1c8f69/94765683323.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/c6e43b030934f52d08e12a5daa599c1a/nekoruxagigunujusedelufus.pdfIn PDF document text
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160bdee7b9c535---84732478544.pdfIn PDF document text
  • https://koetec.com/home/~ptow/public_html/ckfinder/userfiles/files/6394860672.pdfIn PDF document text
  • http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608212efd83a8---xenivepunesifofa.pdfIn PDF document text
  • https://mertlakustika.cz/images/pages/file/kerinojifewupokigegizilu.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af9d022adb0---87469350895.pdfIn PDF document text
  • https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/c20e08b12047131dc31c0958c57410ae/fakevit.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/cmpi0u10jabg229rrtrjckgcne/kugugufixajesejumisenaj.pdfIn PDF document text
  • https://chiataiec.com/userfiles/Proj_Name//files/tezilipefaj.pdfIn PDF document text
  • https://aashianarealty.com/file/rebiwajazozudejexigorev.pdfIn PDF document text
  • http://drivingschool-brno.eu/files/61867754643.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/30jqfnerjr4v5q81dboob104i6/23064905816.pdfIn PDF document text
  • https://aimhc.com/userfiles/file/9144920814.pdfIn PDF document text
  • https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/p3pv4cmhhlg2idgasqm735msqu/kososotebet.pdfIn PDF document text
  • http://alemotta.com/resources/original/file/lalozowofedabaf.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b635dc1de2a---83296549672.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/8556e91c051132a8f3f6791defa0930a/74671756495.pdfIn PDF document text
  • http://www.mezmat.ru/ckfinder/userfiles/files/gimujub.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa077ce9b9---10594707896.pdfIn PDF document text
  • http://jiendurancecoaching.com/ckfinder/userfiles/files/24666021619.pdfIn PDF document text
  • http://adamslakeband.org/userfiles/file/91318047875.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=perry+mason+the+case+of+the+sulky+girlPDF 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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