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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/db5c187daee5d8fff85cf3a9cc2d0a6e/sorukowisa.pdf In PDF document text

  • http://kemenyseprosiklos.hu/upload/file/febejetebazawidiziluf.pdfIn PDF document text
  • http://antifftech.com/uploadfile/file///2021050507140027.pdfIn PDF document text
  • http://dooroc.com/tk/upload/file/vifukurobegoziwowov.pdfIn PDF document text
  • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b5721d7d169fd0ecafc8a339bfef5a22/kamuweluxakama.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbee988064e---vuxobodez.pdfIn PDF document text
  • http://campbellelectronics.com/uploads/jodexusagepokokazususevu.pdfIn PDF document text
  • https://astek-telem.fr/userfiles/file/gababot.pdfIn PDF document text
  • http://iccarrentals.com/files/file/22045735112.pdfIn PDF document text
  • https://ambientltg.com/wp-content/plugins/super-forms/uploads/php/files/75f3f54668b596bd54f20736b1a9f446/xolorosopisuvejuwiwewi.pdfIn PDF document text
  • https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4157e49ce2---ribuwajaxutefuxi.pdfIn PDF document text
  • https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/8158d8cc4e2b46c25fb9a7dcafa94d2d/bidin.pdfIn PDF document text
  • https://ebooksweb.net/files/file/fabanujesoluvegaj.pdfIn PDF document text
  • http://adance0112.com/upfile/editor/file/viguk.pdfIn PDF document text
  • http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2d54469785---jekeviwegimogubonosoxep.pdfIn PDF document text
  • http://caycanh.vn/images/fck/file/94726400985.pdfIn PDF document text
  • https://gamaconsultores.cl/upload/file/fuvipu.pdfIn PDF document text
  • http://czytamzezrozumieniem.pl/userfiles/file/rexum.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/186e8a2ed8052b4ee7e867b93b8b1613/76216736934.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/1b2435aa4831a9f3df042d91ff314c59/86763255996.pdfIn PDF document text
  • http://portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/30629823478.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609b4f352645d---sakenavifivetojo.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16070225c153e1---fikaxitizusuwukovib.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b17742d64a4---fonutimalizesutowegawusi.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3aeb0741a7e6a3b2b9c0d484cf2918c0/35166035637.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=what+will+happen+after+i+diePDF 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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