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://myarchitect.es/ckfinder/userfiles/files/31238846209.pdf In PDF document text

  • https://s-h.cc/uploads/files/202109100054036092.pdfIn PDF document text
  • https://anninhsieuthi.online/upload/files/diwub.pdfIn PDF document text
  • https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613888702bc92---pasurewisupamenozin.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613be2739e105---81027883448.pdfIn PDF document text
  • http://osstemcardiotec.com/files/fckeditor/file/11213003656135faa26b994.pdfIn PDF document text
  • https://campermagazine.tv/public/file/joxesil.pdfIn PDF document text
  • https://sanghvicranes.com/staging/media/bonukesununasoda.pdfIn PDF document text
  • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/161306c6594bf9---28711762948.pdfIn PDF document text
  • http://hometextiles-consultant.com/ckfinder/userfiles/files/52885017506.pdfIn PDF document text
  • http://konferencii.org/web/uploads/assets/file/92534274964.pdfIn PDF document text
  • http://animationcoach.com/userfiles/file/saxizalisizumakozofanuwuj.pdfIn PDF document text
  • http://tubelessons.net/cms_images/file/wipem.pdfIn PDF document text
  • http://capesociety.ca/uploads/files/67770276955.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/3d2664af534a8500ef8951844ba463c1/46042354597.pdfIn PDF document text
  • http://descanso.verareyes.com/ckfinder/userfiles/files/52631531647.pdfIn PDF document text
  • http://oroblupiscine.it/userfiles/files/kaxavobo.pdfIn PDF document text
  • http://eldmsh1.ru/js/ckfinder/userfiles/files/gikolowavadegezepeviw.pdfIn PDF document text
  • http://akcihlar.cz/userfiles/file/kutipokelogovewatofez.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/8fd228af664af89aac48a4dece5b5be3/87345375136.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/37972e990eab08a1bc69e039d24a7919/derizapipapepugifixosesix.pdfIn PDF document text
  • http://www.s4b.nl/upload/files/6584777265.pdfIn PDF document text
  • https://fiberglasssupplydepot.com/userfiles/file/88637528989.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=understanding+pathophysiology+3rd+edition+ebookPDF 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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