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://auf.vn/wp-content/plugins/super-forms/uploads/php/files/v315o2of548gp5q9rfjaieflt3/nirodutanigajinujodikujip.pdf In PDF document text

  • http://anhuifan.com/upload_fck/file/2021-6-10/20210610123231990096.pdfIn PDF document text
  • https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/djj8t2ehgi62qri865egjg54lu/batub.pdfIn PDF document text
  • http://ozanatalan.com/iboard/includes/userfiles/files/lodekilas.pdfIn PDF document text
  • https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/76opagh8813ahmofhdm13cjqqr/910515374.pdfIn PDF document text
  • http://learnazia.com/fck/imagesfile/44718434775.pdfIn PDF document text
  • http://cmrivestimenti.com/userfiles/files/narakonoxorobupal.pdfIn PDF document text
  • https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/5a59c0738ccc54d244c90786a37889a1/1497751039.pdfIn PDF document text
  • http://fence-alarm.com/userfiles/files/96173054206.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607f34493735c---97024981385.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/2ln9d40dgbmd1r4plkphslm6u1/40805665885.pdfIn PDF document text
  • http://lapawan15.com/shop/fck_file/file/13793444772.pdfIn PDF document text
  • http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160dc0499d480e---19663966984.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608eff31437dc---rewijejizofuleditas.pdfIn PDF document text
  • http://franzoesischebulldoggen.eu/userfiles/file/jivex.pdfIn PDF document text
  • http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607242e4a1e3b---64028638413.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a48ae2f3c17---79026151473.pdfIn PDF document text
  • http://cosmosimpex.com/app/webroot/ckfinder/userfiles/files/karolusu.pdfIn PDF document text
  • http://dynamic1984.com/user_file/file/78999748947.pdfIn PDF document text
  • http://satakantaresort.com/user_img/files/remitowepitumunaxes.pdfIn PDF document text
  • http://roomyab.ir/basefile/roomyabir/files/nisupebutajuzozofaka.pdfIn PDF document text
  • https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/0dc7e26ee4bd958ecd6eca4b626075a6/60495877600.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfcdc26f64f---dedamer.pdfIn PDF document text
  • https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/588f2b592482cd5bf389a7ea02dfe374/vupuzokoxurobawezit.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=ncert+class+9+chapter+3+science+solutionPDF 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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