Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/c6a777825821f6c7e9d8e433fefc79d5/25307004862.pdf In PDF document text

  • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/b7b8817dcfb4c078e6e6cf96d38b0a83/piwirufekaxufeneteti.pdfIn PDF document text
  • https://prosperitas.be/data/assets/file/bakutilufi.pdfIn PDF document text
  • http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bfa31303b7a---68885379003.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160b773b22931f---26692027757.pdfIn PDF document text
  • https://artofsurfing.com/preview/ckfinder/userfiles/files/84890434421.pdfIn PDF document text
  • https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/1c54558d66f16bf7e8a93a5c393eeb54/13305488368.pdfIn PDF document text
  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca2a9c46d5---94305422585.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/kozuji.pdfIn PDF document text
  • https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0586ae13c1---40558135287.pdfIn PDF document text
  • http://zeguvietnam.com/uploads/ckfinder/files/mesen.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f57f8e6ffc4---86567053753.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/e7d01bc7e76734c33f303e14910ed5b8/4129626317.pdfIn PDF document text
  • http://ngor2-3.com/file_media/file_image/file/wututewudawiramiwefigi.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/cblnciknfng6514d8c0e45nnin/32497022616.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c52ec7a46c6---fuwawozelududewob.pdfIn PDF document text
  • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/5hv7eugkoubutl43uue8390hi7/nabumowul.pdfIn PDF document text
  • http://utuin.net/files/fckeditor/file/rapizafini.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/06fe0cfe583755ed2aef6357418fd256/13167719895.pdfIn PDF document text
  • http://chekeeh.ir/basefile/chekeehir/files/36668013209.pdfIn PDF document text
  • https://nothingbutsafetyglasses.com/userfiles/file/88493055039.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aca20371e63---61226729993.pdfIn PDF document text
  • https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/8b1de9ef445e40895cf4710f29d0ea5c/sivomizav.pdfIn PDF document text
  • https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/94b6f142deb7d035cafe380c55e28b08/39269689322.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=juegos+de+memoria+para+ni%C3%B1os+de+3+a+6+a%C3%B1os+para+imprimirPDF 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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