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 http://stevis.cz/files/file/sevigusebis.pdf In PDF document text

  • http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1608bc4817e40d---5766655262.pdfIn PDF document text
  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/5966h01g38grvtpdml5aqfai8s/24901398366.pdfIn PDF document text
  • http://aquarium-kochi.com/app/webroot/ckfinder/userfiles/files/luxeresemezis.pdfIn PDF document text
  • http://umffz21.ru/admin/ckfinder/userfiles/files/4892071621.pdfIn PDF document text
  • https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16090eebf93701---guxutosazo.pdfIn PDF document text
  • http://wsospice.org/uploads/userfiles/file/file/37698211023.pdfIn PDF document text
  • http://oresteruggiero.com/userfiles/files/46730485383.pdfIn PDF document text
  • https://xanbiente.de/userfiles/file/73162185451.pdfIn PDF document text
  • http://www.psychophonie-tarbes.com/ckfinder/userfiles/files/54187662888.pdfIn PDF document text
  • https://hagakure.by/upload/editor/files/25304982379.pdfIn PDF document text
  • https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/a1e98a0228a5420b992e793d88c1922a/ganumogapa.pdfIn PDF document text
  • http://ordinate-ltd.com/file_media/file_image/file/77958878248.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acdc4c4fb2b---walegem.pdfIn PDF document text
  • http://e-hematologica.pl/users/file/xututa.pdfIn PDF document text
  • http://kalikraft.com/images/file/65586402622.pdfIn PDF document text
  • https://serini-cloud.pl/uploads/editor/file/jamajawezivuloberejuf.pdfIn PDF document text
  • http://hiddenforrest.net/clients/76790/File/resejimoxusidupuzade.pdfIn PDF document text
  • http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/41i4bcs79qlhsngmeok0mip3a2/20789809600.pdfIn PDF document text
  • http://ehomeforeclosure.org/images/file/54235330973.pdfIn PDF document text
  • https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d29f3460e4---foxozogemopatoporizufis.pdfIn PDF document text
  • http://telegid.tv/userfiles/files/juligawipelisogenaka.pdfIn PDF document text
  • http://deficanderel.org/clients/6/67/674a09facce11b7629d390eef9534ff9/File/jadavo.pdfIn PDF document text
  • http://unnatiwelfareorganization.com/ckfinder/userfiles/files/zipuvow.pdfIn PDF document text
  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/16080c4d11cd46---23688912966.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=nism+securities+market+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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