Malicious PDF — malware analysis report

Heuristics 7

• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/003237f41ee9485f6d2cb3a88d893b24/muvapot.pdf In PDF document text

  • http://211.129.1.225/system/ckfinder/userfiles/files/guzaxakapuxewavo.pdfPDF link annotation
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1613fef680123c---27958832481.pdfIn PDF document text
  • http://cdseoulps.com/uploadfile/fckeditor/file/tutekorew.pdfIn PDF document text
  • https://27061010.com/uploads/files/202109131030398021.pdfIn PDF document text
  • https://birgatour.mn/js/ckfinder/userfiles/files/pikixebosulobewijewofi.pdfIn PDF document text
  • http://utuin.net/files/fckeditor/file/gogoguwasu.pdfIn PDF document text
  • https://volpatoebrum.com.br/_common/admin/scripts/ckfinder/userfiles/files/62928734990.pdfIn PDF document text
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/8gc86lj1rvd94q92aqnc63neb4/gituluvudubetujepo.pdfIn PDF document text
  • http://bjhtdszdh.com/v15/Upload/file/2021914555205512.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613449ba91bf8---kasesiwutapolojomanilidu.pdfIn PDF document text
  • http://longbeach.ilovepokebar.com/uploads/files/26038795179.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/f26sa5mlmv9md51n4s1t23b9g5/gakajusitigiwalonovop.pdfIn PDF document text
  • http://diennuocdanang.com/uploads/image/files/riguwogez.pdfIn PDF document text
  • https://shen-su.eu/gfx/userfiles/files/sibiwo.pdfIn PDF document text
  • http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.net/ckfinder/userfiles/files/tidoru.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1680c10f1---talefibinajeruzaz.pdfIn PDF document text
  • https://pointswestliving.com/ckfinder/userfiles/files/lozadakuduguka.pdfIn PDF document text
  • http://acevina.com/webroot/img/files/60126988558.pdfIn PDF document text
  • https://pharma-tools.pl/galeria/file/pulanarinowegasusor.pdfIn PDF document text
  • http://faradbox.pl/files/file/60291723817.pdfIn PDF document text
  • https://alshuka.ps/ckfinder/userfiles/files/jidafelarekokugiler.pdfIn PDF document text
  • http://mijn-nederland.nl/userfiles/file/97261518109.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=trade+me+app+for+androidPDF 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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