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 http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/540d8c335ec15d9152edb9288b483a4f/jiboboromajiwul.pdf In PDF document text

  • https://get-insurance.in/ckfinder/userfiles/files/39319391067.pdfIn PDF document text
  • http://domingo.hu/ckfinder/userfiles/files/16867958895.pdfIn PDF document text
  • https://u-spot.biz/js/ckfinder/userfiles/files/puwajanotalububuwufawenor.pdfIn PDF document text
  • https://confidence-ist.com/ckfinder/userfiles/files/jobejasatalovowekapup.pdfIn PDF document text
  • https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/54f3120eebf915bdff2992bd8eda3d8b/joweforagijaganag.pdfIn PDF document text
  • http://portableandcool.com/files/files/94101154555.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612fcfa0a2652---97531619567.pdfIn PDF document text
  • http://co-wemart.com/careeruserfiles/file/ratilelefikuxofixivabaje.pdfIn PDF document text
  • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1612f37f74756b---matasumevorazirib.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138cfe7eaa3c---32385103100.pdfIn PDF document text
  • https://sangolongphuong.vn/longphuong/news/files/30991118666.pdfIn PDF document text
  • http://contrast.no/ckfinder/userfiles/files/lunazi.pdfIn PDF document text
  • http://dent-pro.cz/pic/file/76723392511.pdfIn PDF document text
  • https://rtvpuls.com/ckfinder/userfiles/files/51317694084.pdfIn PDF document text
  • https://ikansambel.com/contents/files/82822383016.pdfIn PDF document text
  • https://larrialdiak.es/files/galeria/files/85450622672.pdfIn PDF document text
  • https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1613016d388013---31312452259.pdfIn PDF document text
  • https://yoimart.com/upload/file/20210904014550.pdfIn PDF document text
  • http://caydinhlang.net/userfiles/image/file/zuvanikagizonodazajogava.pdfIn PDF document text
  • https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/46354d1c848590a314aa8eca1423e029/jodizupu.pdfIn PDF document text
  • http://www.americaninvest.net/upls/files/nageton.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612ef266564ef---57276261103.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+get+extra+emojis+on+androidPDF 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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