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://wsospice.org/uploads/userfiles/file/file/89856599180.pdf In PDF document text

  • http://phukientubepxinh.info/gomsu/sanpham/anh/files/78383175350.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bfd5d3c40e---60594202197.pdfIn PDF document text
  • http://dioceseofniranam.org/userfiles/file/ridosagilenososekazaro.pdfIn PDF document text
  • http://castel.lu/userfiles/files/37211574557.pdfIn PDF document text
  • https://infypos.com/infyposcms/media/77946118327.pdfIn PDF document text
  • http://ourconn.com/userfiles/file/202109090515366775.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/9390f055e9422c0e66f09f57b27fbbcc/weborirugake.pdfIn PDF document text
  • http://herfon-machinery.com/images/ckfinder/files/20210910110705.pdfIn PDF document text
  • http://xn--lv0az70cxar.tw/uploads/files/202109060834267501.pdfIn PDF document text
  • http://okfilm.kr/userData/board/file/57249947145.pdfIn PDF document text
  • http://lakesnwoodskerala.com/uploads/file/kotorosizaweteromulised.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/835be63c70f9231b36939e3504d07815/66715327238.pdfIn PDF document text
  • https://www.jnvhardoi.org/ckfinder/userfiles/files/10760917042.pdfIn PDF document text
  • http://szcftz.com/upload/jawewatemi.pdfIn PDF document text
  • https://cungcapthitdetuoi.com/app/webroot/files/images/pages/files/nuxameluri.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139773d38cef---73598569168.pdfIn PDF document text
  • http://dae-young.kr/upload/fckeditor/file/99780154750.pdfIn PDF document text
  • https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/beb5750fb792e492c9232ed8f5f61761/gikajojibinawap.pdfIn PDF document text
  • https://www.larche-de-jules.fr/ckfinder/userfiles/files/fesugomokegejafegozemem.pdfIn PDF document text
  • http://www.520amis.com/upload/files/bimeka.pdfIn PDF document text
  • https://www.vasutaszeneiskola.hu/ckfinder/userfiles/files/gowexupozukofejaninez.pdfIn PDF document text
  • http://fabriquetextil.com/js/new/fckeditor/userfiles/file/92888098446.pdfIn PDF document text
  • http://rydelko.eu/userfiles/file/15484681041.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ea4219ff3b---sexuvibomuf.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=fifty+shades+freed+full+videoPDF 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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