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://pistant.ru/uplcv?utm_term=present+value+annuity+table+a3+a4+pdf PDF link annotation

  • http://m-styleauto.com/js/upload/files/37709553846.pdfIn PDF document text
  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160b98edc4dd06---38547414774.pdfIn PDF document text
  • https://west-holding.com/userfiles/file/wemodebedorebe.pdfIn PDF document text
  • http://cerrutistudio.eu/userfiles/files/96651594584.pdfIn PDF document text
  • http://tradeweb.es/userfiles/file/lugidajekotefumosifuvane.pdfIn PDF document text
  • https://vivekanandbawwa.com/userfiles/file/52518967860.pdfIn PDF document text
  • http://www.darvidproperty.com/news/file/78926855131.pdfIn PDF document text
  • http://xn--80aaaaaikdebj9ccf1ayja1b5a3q.xn--p1ai/ckfinder/userfiles/files/mabovipetufezafev.pdfIn PDF document text
  • http://forresterfamilyreunion.com/clients/c/cc/cc72bfd2512333311cc1ef5a4fdef90f/File/83207082530.pdfIn PDF document text
  • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a4fa7bd382a---22739620853.pdfIn PDF document text
  • http://oipipleszno.pl/userfiles/file/78883209208.pdfIn PDF document text
  • https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/0f50551e874874bafaf53aa18b8587bc/sepagekijopufakifa.pdfIn PDF document text
  • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/0ngfdlfht8s34n0q0kcckt18de/96635853876.pdfIn PDF document text
  • http://geredekombiservisi.com/userfiles/file/kunevojopokorulowuxav.pdfIn PDF document text
  • http://agapetown.net/ckfinder/userfiles/files/35369197928.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160e02c8de75c1---83738807818.pdfIn PDF document text
  • http://arcenevents.nl/site/upload/files/15801327440.pdfIn PDF document text
  • https://mytopics.it/uploads/file/94574676960.pdfIn PDF document text
  • http://nacyc.jp/Upload/file/41244851405.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/e607987e659136b72177c28d8c9e8482/sokifalixelufit.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/84024089073.pdfIn PDF document text
  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/160bcca9459b93---37553577355.pdfIn PDF document text
  • https://artofsurfing.com/preview/ckfinder/userfiles/files/sawivivofof.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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