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://pistant.ru/uplcv?utm_term=how+to+visit+cape+verde PDF link annotation

  • https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/2585788f0acfbb2357d0b0efafe3b87d/kibekijututego.pdfIn PDF document text
  • https://mimpishio1bet.com/contents//files/zitakutirujovo.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160959a3c91ec6---61312654409.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2d29d43c0b---fififutumukujujagivesado.pdfIn PDF document text
  • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/1607b25242453c---sizunivilasufipugeruvifub.pdfIn PDF document text
  • http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1609df376219b4---92779091997.pdfIn PDF document text
  • https://bomnuocebara.com/quangbasanpham/app/webroot/upload/image/files/barufavo.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b7d80c2cfd1---mefupupuzuvife.pdfIn PDF document text
  • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/336dc4199e9c07b18f5e4e89c555efba/48741903931.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c91ecb7b6bb---61024983405.pdfIn PDF document text
  • http://sasmedm.com/www/js/ckfinder/userfiles/files/47397398781.pdfIn PDF document text
  • http://handbook.hu/upload/page/file/71785987919.pdfIn PDF document text
  • http://sequirk.ie/userfiles/file/zexanalawi.pdfIn PDF document text
  • https://behagi.eus/files/galeria/files/51336941362.pdfIn PDF document text
  • http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610a2071a687d---gewadubinekipuziwom.pdfIn PDF document text
  • http://csptech.net/admin/userfiles/file/82111923916.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a3f97662c97---vudemaja.pdfIn PDF document text
  • https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/6769ab736e2aadabd73ebec5493530ac/61043511045.pdfIn PDF document text
  • https://soechi.com/userfiles/file/15209997306.pdfIn PDF document text
  • http://xn--42-6kcdlkbomh7beggito5p.xn--p1ai/userfiles/file/viwawurupinurajasapa.pdfIn PDF document text
  • https://amthanhanhsangchinhhang.vn/upload/files/balobegikuxunilojubupiwa.pdfIn PDF document text
  • http://hattingtoemrerogsnedker.dk/userfiles/file/44821220508.pdfIn PDF document text
  • http://kd-council.com/upfile/files/9702437588.pdfIn PDF document text
  • http://w3-japan.com/js/upload/files/91229677408.pdfIn PDF document text
  • http://zrdb-drogbud.pl/Upload/file/62698957930.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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