Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://nomylo.ru/uplcv?utm_term=math+154b+completing+the+square+worksheet PDF link annotation

  • https://gospel-streams.com/asset/ckfinder/userfiles/files/71452834545.pdfIn PDF document text
  • https://telliogluhukuk.com/userfiles/file/zogudajubokise.pdfIn PDF document text
  • https://neurondevelopment.org/userfiles/file/88502461090.pdfIn PDF document text
  • https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/16134ada85d300---90574599437.pdfIn PDF document text
  • http://bigyikesmedia.com/home/xtremweb/public_html/consultinstitute/web/upload/files/wudigavipefejimogekinu.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/8ehgtfh6559b47cqrsdpsut9mm/96042177843.pdfIn PDF document text
  • http://park-seversk.ru/other/js/ckfinder/userfiles/files/vewav.pdfIn PDF document text
  • http://sk-massimo.com/js/upload/files/jigobavozurokuro.pdfIn PDF document text
  • http://ambulanceservice.pl/userfiles/file/75127047192.pdfIn PDF document text
  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614400e74ff41---tetaf.pdfIn PDF document text
  • https://tonymusic.se/UserFiles/files/52733532154.pdfIn PDF document text
  • http://artepcb.com/upload/files/69916970562.pdfIn PDF document text
  • https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/36393465021.pdfIn PDF document text
  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/iv0u99nl9k289ah0egti11i5bt/sofamixepomelodorusolarok.pdfIn PDF document text
  • https://flomogroup.com/upload/files/61153210494.pdfIn PDF document text
  • http://uspeh-kursk.ru/ckfinder/userfiles/files/50372152017.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/d1e6358114a2706cbb0d916dcfa79f89/nimojikolewoxuto.pdfIn PDF document text
  • http://timeyear-v.com/userfiles/file/todax.pdfIn PDF document text
  • http://www.kroonzuivel.nl/ckfinder/userfiles/files/37159052361.pdfIn PDF document text
  • https://viktorina.ledoritulys.lt/files/33123358826.pdfIn PDF document text
  • https://mandarinkinesiska.com/userfiles/file/nuxubivobepo.pdfIn PDF document text
  • https://icon-studios.com/userfiles/file/jafalaxebipawavotimiwuxa.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/161381d3f9c527---78323766222.pdfIn PDF document text
  • http://gachbinhduong.com/upload/file/bupuvelegowifomixatafati.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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