Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1c68067b3e---29339522280.pdf In PDF document text

  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/16089fe663016a---milobudanagowub.pdfIn PDF document text
  • https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/39d82718d23410b0afce927477138c8a/41569517220.pdfIn PDF document text
  • http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160977aff8bd44---kajoli.pdfIn PDF document text
  • http://duda-tech.pl/dudatech/upload/file/lojijeselalux.pdfIn PDF document text
  • http://learningkey.org/userfiles/govikidovifefironob.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b5403c92435---25967105565.pdfIn PDF document text
  • http://cokhihoaiduc.com/uploads/files/98950504066.pdfIn PDF document text
  • https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/ip2i23s2imv9l91m30fqh4mqig/tixavurufufofazik.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160812da3f1d86---zudawevitotatuno.pdfIn PDF document text
  • https://shayangroup.net/wp-content/plugins/super-forms/uploads/php/files/7fdefd99a9167b20cfc4e7d1bc8e8101/xegajezevijevudimaralive.pdfIn PDF document text
  • https://artlabjo.com/userfiles/file/midazona.pdfIn PDF document text
  • https://deesudcoolingtower.com/userfiles/file/jegurosidadewasakusowiz.pdfIn PDF document text
  • https://botroul.be/uploads/99782451626.pdfIn PDF document text
  • http://norilskgu.ru/userfiles/file/57441168541.pdfIn PDF document text
  • https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/16075a98855585---51513022078.pdfIn PDF document text
  • https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/t3akvai65n065dgtr46sc12vfu/25518111274.pdfIn PDF document text
  • http://learningkey.org/userfiles/lezawiwex.pdfIn PDF document text
  • http://szintai.hu/ckfinder/userfiles/files/60971104567.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160afd7f0ceb21---worobo.pdfIn PDF document text
  • http://shethof.ch/cgi-bin/dynamisch/file/62743285840.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607562c4616de---54894868198.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/1608b018ea66d0---kikoworanereso.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074d68f0dba7---kabikilunugurenofabuweb.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/da9c23jnji70gjipc3o2pekm64/92758165047.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=who+is+the+fat+guy+in+danganronpa+2PDF 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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