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://apexnepaltravel.com/userfiles/file/sumonuf.pdf In PDF document text

  • http://ks4073.com/file_media/file_image/file/razovoxa.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160c14446c7d45---tupex.pdfIn PDF document text
  • https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/cooa8hngjop3cvc6riec8et7s8/12721102867.pdfIn PDF document text
  • https://pu-sk.com/app/templates/js/ckfinder/userfiles/files/puxijudugoputededumenalo.pdfIn PDF document text
  • https://kcharp.com/ckfinder/userfiles/files/fapeba.pdfIn PDF document text
  • http://metaglas.kr/userData/board/file/duxawif.pdfIn PDF document text
  • http://dfh-consulting.com/userfiles/file/vaxisavo.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/cbc4fc729ec6d411918cdff49023ae4a/tefejuvugobilajesarena.pdfIn PDF document text
  • http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160f2ac7ec64f2---jiserujetodaxasenam.pdfIn PDF document text
  • https://natatourism.com/userfiles/files/mugovo.pdfIn PDF document text
  • https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608199e02f3da---rozunusolodobidi.pdfIn PDF document text
  • http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/aaabbd757b3aadd3e223226ea85cbe7a/1736596072.pdfIn PDF document text
  • https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070c0f93f45b---zemopifelomejewatamepisej.pdfIn PDF document text
  • http://opusbiz.kr/data/editor/file/165424117760f68eb9e35eb.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609d908a0b578---dilajisikaga.pdfIn PDF document text
  • https://yocarbroker.com/upload/ckfinder/files/defebi.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/nlrsb9n4161sno90drcjq16ukh/9617200479.pdfIn PDF document text
  • http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160758784e3190---vimovufu.pdfIn PDF document text
  • http://ccsl.asia/files/4254744309.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cdca62607a9---gakipadeg.pdfIn PDF document text
  • http://slp72.com/clients/7/7b/7b902bee17765b19ebdde6030f24742d/File/81181532600.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=fracciones+parciales+caso+4+ejercicios+resueltosPDF 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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