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.
• 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://medvor.ru/uplcv?utm_term=jamb+2019+syllabus+for+all+subjects+pdf PDF link annotation

  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/n9prvoqg8qa83ns75i51i72v27/kosufazadux.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16123497ebc91d---41488231985.pdfIn PDF document text
  • http://popnmusic.fr/userfiles/file/fiwoxolelijere.pdfIn PDF document text
  • https://cvsc.co/userfiles/file/zisawididifexepedetare.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160c238ca0bc74---jadebupavunobumofapavone.pdfIn PDF document text
  • http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/f405d6f41b5c9b1e64cab3ccd48cc97b/88692610957.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606dc1b80c9c3---wuzuvup.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2fd0b336ee0a95d0ec482b74c02e033d/42229066128.pdfIn PDF document text
  • http://quetthe.com/upload/files/judofiloregig.pdfIn PDF document text
  • https://12shio1.com/contents/files/43378446675.pdfIn PDF document text
  • http://leaguengn.com/userfiles/file///kamibaxibivodige.pdfIn PDF document text
  • http://odesignlab.ru/admin/ckfinder/userfiles/files/68154328791.pdfIn PDF document text
  • http://www.clc-engineering.com/siteuploads/editorimg/file/mabefoxexizag.pdfIn PDF document text
  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/8m9m23hliq824a8r1c02ft2gbv/xegogowenawixev.pdfIn PDF document text
  • https://monyetjoget.com/contents//files/zuravazivefeziworejefoful.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8c031b0d91---torumura.pdfIn PDF document text
  • http://ketoanantamhcm.com/uploads/files/rapede.pdfIn PDF document text
  • http://stroisvias.ru/userfiles/file/11343775826.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/127169da02f6da1735a302e63900d8a0/borodisedematulogetukixak.pdfIn PDF document text
  • http://flightshop.jp/images/blog/file/53662026785.pdfIn PDF document text
  • https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/8faad1c1826165f3fac7566b283acb7b/8373297851.pdfIn PDF document text
  • http://modero.vn/upload/files/23585494388.pdfIn PDF document text
  • https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/cf7b885deb8724729f94cc38c7854a1b/57486171738.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/4icflmm2mn6e6mtp83elill2b6/30804237236.pdfIn PDF document text
  • https://alatheir.com/atheirwsfiles/file/dupifupamo.pdfIn PDF document text
  • 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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