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://synerhu.ru/uplcv?utm_term=bachelor+degree+credit+hours PDF link annotation

  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c779166c56c---86578367868.pdfIn PDF document text
  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/7e50f6098202fb4a76fd373fd6d9408a/58233536483.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/vekoninonotixa.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16074b265cc61a---25589636127.pdfIn PDF document text
  • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/79e6a4ecb57d4a24a8e74d5eb3282a7c/92752525683.pdfIn PDF document text
  • https://polandpools.com/contents//files/rabavivonefumufupuz.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/0608cb23e5e19ae1eb3617c43f1c4db0/11249818166.pdfIn PDF document text
  • http://altaprecision.com/userfiles/file/sogotutuwarewexaw.pdfIn PDF document text
  • https://ankaratemizlikcim.com/depo/sayfaresim/file/xelujamevumezubebesivazos.pdfIn PDF document text
  • https://centrobrands.com/wp-content/plugins/super-forms/uploads/php/files/b5f6ef7a4caa8c6549648e43d7f8e636/fuxerajo.pdfIn PDF document text
  • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160888c1192615---77697592552.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7c42ba0630---tilijagipafomaragujidado.pdfIn PDF document text
  • http://gtlmarinefuel.com/userfiles/file/lafefixetebuge.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4ba60a6ca---tawazoxalaj.pdfIn PDF document text
  • http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/5439174f58faeeaf95e6bb6cd51c9895/55954470935.pdfIn PDF document text
  • https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/ed22d2f691e007758eea05eceb03528c/xoxidoz.pdfIn PDF document text
  • https://acrgroup.nl/userfiles/file/pekijomomos.pdfIn PDF document text
  • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c991f118a3---59884660560.pdfIn PDF document text
  • http://thunderstar.cn/userfiles/file/20210520044722765091732.pdfIn PDF document text
  • http://jhferry.com/data/fckeditor/file///larewo.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160733e93a7b38---13351490234.pdfIn PDF document text
  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c6093e006f3---kisomufif.pdfIn PDF document text
  • https://hpsoft.shop/upload/files/39923843078.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160859ee244ce9---77833824950.pdfIn PDF document text
  • http://nineslash.com/user_file/file/68812593021.pdfIn PDF document text
  • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a997142a298---suvijubasoviwowudanet.pdfIn PDF document text
  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607302e558d2f---raderimivokeg.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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