Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://crewmak.ru/uplcv?utm_term=lalitha+sahasranama+odia+pdf PDF link annotation

  • https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/2db6e42e27918cc036ae8e5ebdb386a0/mifikulefugovepokogad.pdfIn PDF document text
  • http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f378cbf358---mudukokuruxizeronunarajod.pdfIn PDF document text
  • http://maezawa-jidousha.com/js/upload/files/sivigegaxasazamubig.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/92071449144.pdfIn PDF document text
  • https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/0j693d4l6vj7bc5robv298q8r1/zanilogew.pdfIn PDF document text
  • https://k-newsletter.com/ckupload/files/34883311843.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606cce84d889a---97618295343.pdfIn PDF document text
  • http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c998d9c8a5---66800598032.pdfIn PDF document text
  • http://candemdientu.com/Images_upload/files/35401279288.pdfIn PDF document text
  • https://biocoils.com/img/file/85736553053.pdfIn PDF document text
  • http://northstarbaptisttyler.com/clients/a/a4/a4b4c2e389351fb2dee96c3f727c6a57/File/nurojivupanomukuriniserir.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608251d30c3e0---20003280227.pdfIn PDF document text
  • http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607fbd5c2683e---25362482014.pdfIn PDF document text
  • https://mabuksusu.com/contents//files/nafetivuwul.pdfIn PDF document text
  • http://immobilieninvestors.de/userfiles/file/xolozabemovolabiwotup.pdfIn PDF document text
  • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dae1a56aa1---52396224362.pdfIn PDF document text
  • https://www.antoniopopolizio.it/ckfinder/userfiles/files/33526241234.pdfIn PDF document text
  • https://drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16073be22259c0---jibagubemodunuw.pdfIn PDF document text
  • https://mpressivelabels.com.au/application/third_party/ckfinder/userfiles/files/49127206532.pdfIn PDF document text
  • http://nowator-zpu.pl/userfiles/file/28629990955.pdfIn PDF document text
  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160903e9667133---sopadokumobegosul.pdfIn PDF document text
  • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/33b8b3ee8ce30e56071a5f1573007cae/xewuvuxosujujofabom.pdfIn PDF document text
  • http://royalwedding.jp/images/blog//file/zeroripexevaw.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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