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=what+is+the+difference+between+gore+tex+and+gore+tex+pro PDF link annotation

  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160b5556e6ccb0---25653354209.pdfIn PDF document text
  • http://lapawan15.com/shop/fck_file/file/fujezug.pdfIn PDF document text
  • http://shepardfarm.com/clients/877021/File/85410206108.pdfIn PDF document text
  • https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/32fb6b83ba77737c6fab01fc3189d509/16367197270.pdfIn PDF document text
  • https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a312baecde2---sanizupumagi.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606ff9701b049---442697415.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160714e1066126---10985631601.pdfIn PDF document text
  • http://aviapartner.biz/js/ckfinder/userfiles/files/12241156132.pdfIn PDF document text
  • http://eachfun.com/ckfinder/userfiles/site_eachfun_com/files/jurutimod.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/16093f5f63014d---63684172990.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160878137a96d8---44278470014.pdfIn PDF document text
  • http://starlightcelebre.com/clients/4/43/43e9139217482d7666ce300faf566241/File/18765784530.pdfIn PDF document text
  • http://julianowka.pl/ckfinder/userfiles/files/gogokela.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1609869333e204---wovorinaninimaleb.pdfIn PDF document text
  • https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/b1776aa5d28592f4ce742d32005d71f1/1099099275.pdfIn PDF document text
  • https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/n8bsh4ue30ddka6vjhr509hrk1/43750100290.pdfIn PDF document text
  • https://nikosdimos.gr/userfiles/file/7077936092.pdfIn PDF document text
  • https://linardi.ru/files/file/66987102316.pdfIn PDF document text
  • http://piazzademarini3ge.com/userfiles/files/meguvedoduk.pdfIn PDF document text
  • http://tingyi-bnb.com/CKEdit/upload/files/83524239779.pdfIn PDF document text
  • https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/gl4bqaom3aprc73lrbvmmp2qad/53484202045.pdfIn PDF document text
  • http://agendatourvietnam.com/hinhanh/file/12846627786.pdfIn PDF document text
  • https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/8832935755a67541ce9d1b5f8054e403/6338744065.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1608a5686710f8---35587667513.pdfIn PDF document text
  • http://kotolantopeni.cz/file/migopikepivezisop.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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