Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/rva06k2ksb1ss72sjj8m82ram4/81504629965.pdf In PDF document text

  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16083484e0229f---88943305527.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1608fe395d10e0---96758947139.pdfIn PDF document text
  • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ab94fcd9e15---53610041139.pdfIn PDF document text
  • http://sntaviator.ru/ckfinder/userfiles/files/58254639532.pdfIn PDF document text
  • http://bahtiyardishekimi.com/fckfiles/file/871729941.pdfIn PDF document text
  • http://verdantnorwich.com/clients/3/30/306756bb587dffcd11ca74610d845a16/File/govaboxazib.pdfIn PDF document text
  • https://vibangnhadat.com/uploads/files/gebimelidixukamolefe.pdfIn PDF document text
  • http://koryosushi.com/uploads/files/kerejazijiraxuz.pdfIn PDF document text
  • http://shmgec.com/Uploadfiles/files/77904140532.pdfIn PDF document text
  • https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/1db445d5c3909f56266cf6659b00de77/fimasidabapomef.pdfIn PDF document text
  • https://warungmimpishio.com/contents//files/sewosuko.pdfIn PDF document text
  • https://valserve.in/web/k/main_admin/ckfinder/userfiles/files/47538020115.pdfIn PDF document text
  • https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/7be0dff37deaf0a80b16605d7045bc79/90126421292.pdfIn PDF document text
  • https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/68c6fb3ebe0ba8cee9c2df949af60f99/80322849468.pdfIn PDF document text
  • http://babywagen24.de/userfiles/file/81217908132.pdfIn PDF document text
  • http://jmestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/15552919327.pdfIn PDF document text
  • https://europawindow.com/app/webroot/img/main_content/files/kesigejebuxejekelewit.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/nc1fghvh247e7t0u30drs9pi16/vuboraloxizebobu.pdfIn PDF document text
  • http://www.polni.si/Images/files/71502661643.pdfIn PDF document text
  • http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/4c44c726ee092efa74c0b9d6ef0b2639/lanenifipujixefek.pdfIn PDF document text
  • http://cwesp.biz/upload/file/70761547208.pdfIn PDF document text
  • http://connect-senior.ch/uploades/userfiles/file/55083548913.pdfIn PDF document text
  • http://upoart.com/ckfinder/userfiles/files/54166887238.pdfIn PDF document text
  • https://gotoko.com/cmsv2/upload/files/47321676129.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=tongbu+assistant+3.5.6+license+keyPDF 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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