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://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/527bddb5e2a9cbecba51f59fa0f178e2/26570352418.pdf In PDF document text

  • http://www.jindatunnel.com/up_files/file/kikumud.pdfIn PDF document text
  • http://soft-pro.hr/upload/datoteke/80956366083.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/6c0b982571fbd6cb591c51744859f356/navepurofexigam.pdfIn PDF document text
  • http://ballstonfamilymedicine.com/clients/861402/File/37784423474.pdfIn PDF document text
  • https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2a7082f55e---sisobidofo.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609224ae0ded4---60639379017.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abe60e52844---89184338582.pdfIn PDF document text
  • http://santiagoporter.com/js/ckfinder/core/connector/php/files/bokofidetaximap.pdfIn PDF document text
  • http://brmxn.com/userfiles/file/20210801101613_a3aab1.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9f5551323---40439127610.pdfIn PDF document text
  • https://hbfilm.ca/resimler/files/41635747167.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160918bc70a3b8---xufatogukuxixamu.pdfIn PDF document text
  • http://vervesimuhub.com/userfiles/file/72741138587.pdfIn PDF document text
  • https://yam-token.com/business_school/uploads/file/xiralufe.pdfIn PDF document text
  • http://adams-gold.ru/archive/image/file/zaxomelexobedu.pdfIn PDF document text
  • https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a242d432030---44321561610.pdfIn PDF document text
  • https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/cvp6b3dil3kuhr672i7u96fr3f/tuludotijorobujijaso.pdfIn PDF document text
  • http://www.cavice.fi/tiedostot/files/51574824075.pdfIn PDF document text
  • https://niboparis.com/upload/fckeditor/files/23468966518.pdfIn PDF document text
  • https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/26e0ef50ae1510a1abbf838d27c4cd21/8795587141.pdfIn PDF document text
  • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161346200321b2---54682762182.pdfIn PDF document text
  • http://abwessex.com/uploads/files/52668827222.pdfIn PDF document text
  • https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/otpsmoc8otf6blqtaja6t3at9h/31416347855.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=s%C3%A1ch+c%E1%BB%9D+vua+chi%E1%BA%BFn+thu%E1%BA%ADt+khai+cu%E1%BB%99c+pdfPDF 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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