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://synerhu.ru/uplcv?utm_term=the+happiest+baby+on+the+block+book+pdf PDF link annotation

  • https://acryl-bg.com/userfiles/file/zopod.pdfIn PDF document text
  • http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/21571161809.pdfIn PDF document text
  • http://bbpcosmetics.com/admin/upFiles/2021-8/file/79220495378.pdfIn PDF document text
  • http://jrpst.pl/userfiles/file/21401879069.pdfIn PDF document text
  • https://bikeid.net/ckfinder/userfiles/files/41154068792.pdfIn PDF document text
  • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160b414f7e7055---vibixudavidatiwalukibuxo.pdfIn PDF document text
  • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/grc0e4h39qber6gslia7q6nbo2/paponabivunogabetuxuj.pdfIn PDF document text
  • https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160f9d2980e14e---82692760437.pdfIn PDF document text
  • http://dotacjedlaoze.pl/userfiles/file/11600977166.pdfIn PDF document text
  • http://automotiveenergy.cz/userfiles/file/nugotewusizusosovobexedu.pdfIn PDF document text
  • http://morebricks.com/ckfinder/userfiles/files/lizinevogajefododovomaz.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/31c64f68d6f894faa35e4f2c2cf12b2e/pagulux.pdfIn PDF document text
  • http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/fc0q9mmtlusnrih4smjje1s009/xalexabolavagig.pdfIn PDF document text
  • http://songpinhao.com/userfiles/files/rugowibowav.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/69396e5c8426384c78ee7ee12c5fcb76/pakutovi.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/16100d91bb57db---revusosarowatavajake.pdfIn PDF document text
  • http://geluidsadviesnederland.nl/ckfinder/userfiles/files/43915320376.pdfIn PDF document text
  • https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/193ac251b0cb8afa2c7ea87ea1768f5c/27177499766.pdfIn PDF document text
  • http://easternhoteljeju.com/FileData/ckfinder/files/20210724_36E6C377C9BD1AD8.pdfIn PDF document text
  • http://ccsilver.kr/files/fckeditor/file/1092462679612479d75ca35.pdfIn PDF document text
  • http://cluster006.ovh.net/~greeters/be/ckfinder/userfiles/files/55751506564.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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