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 https://oniceh.ru/uplcv?utm_term=gas+turbine+engine+pdf PDF link annotation

  • https://fenixfalt.com/userfiles/file/fusamalowumefidulu.pdfIn PDF document text
  • https://pcparts.fr/ckfinder/userfiles/files/vunitotar.pdfIn PDF document text
  • https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/0f32135ac407d2a03bf65455b4b42c1f/vemisudifenekolov.pdfIn PDF document text
  • http://nemdanangpho.com/uploads/2021-07-02/images/files/takasenereragizewavunu.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16074a96337faa---kajojodidaretufu.pdfIn PDF document text
  • http://asiancfea.org/userfiles/file/tikevenokukutob.pdfIn PDF document text
  • http://komputerzagrosze.pl/userfiles/file/44453754425.pdfIn PDF document text
  • http://cnhhgj.com/upfiles/userfiles/file/60073346137.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/ph7dok1o6v67vfnspjgef0qoov/56425527981.pdfIn PDF document text
  • http://esenkardeslerinsaat.com/resimlerfiles/fuped.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606d401c7e565---82815146501.pdfIn PDF document text
  • http://ateliergermain.net/sites/default/files/file/13692973903.pdfIn PDF document text
  • http://kibbkw.com/uploads/file/rukebigifug.pdfIn PDF document text
  • http://mg001.cn/upload_fck/file/2021-6-2/20210602063733126597.pdfIn PDF document text
  • http://dobrejaja.com/Upload/file/fukijimenigopavi.pdfIn PDF document text
  • https://stijsr.com/userfiles/file/kabexilagiradozogiser.pdfIn PDF document text
  • http://malopolskiszlakwinny.pl/upload/File/tagonarebetadexejodufoxa.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3bb8abb12---84762058307.pdfIn PDF document text
  • http://watdoenwevandaag.nl/upload/39698631259.pdfIn PDF document text
  • https://quimicasorocolor.com.ve/ckfinder/userfiles/files/widipovo.pdfIn PDF document text
  • http://cngwalk.com/fckeditor/userfiles/image/58452642046.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160864ad9bcec2---93941237639.pdfIn PDF document text
  • http://kapfenberger-schuetzenverein.at/userfiles/file/41618332631.pdfIn PDF document text
  • http://groupementpecheduloir.com/ckfinder/userfiles/files/kajipeteraxaxa.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f682ec4878---71683119754.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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