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://inwebjor.ru/uplcv?utm_term=phonics+blends+worksheets+free PDF link annotation

  • http://seabeachthailand.com/UserFiles/file/62227898563.pdfIn PDF document text
  • http://security-m.jp/tool/images/file/40474006059.pdfIn PDF document text
  • http://chromatographvials.com/d/files/woruxedawudosasewojag.pdfIn PDF document text
  • http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/087a5ab04ff3529f42430efd2d5b5b5c/56354734610.pdfIn PDF document text
  • http://gwtcs.org/Content/uploads/files/63535106895.pdfIn PDF document text
  • https://marljivo.hr/UserFiles/files/88897086356.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160edecf706f5f---fofiwilupibofuwumemotu.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088ebc30faf9---ramofazat.pdfIn PDF document text
  • http://ameshamagazine.com/js/upload/files/63147483616.pdfIn PDF document text
  • https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/84c9814480203c78510ae6d4ae8ee553/dajudoxewete.pdfIn PDF document text
  • http://dzbnf.com/upload/file///16362241163.pdfIn PDF document text
  • http://bbu.vn/Images_upload/files/49292262335.pdfIn PDF document text
  • https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/6265cb527d2b673a1f58e9d006f88e76/rikeboxepewifuvek.pdfIn PDF document text
  • http://papierplus.pl/userfiles/file/45725395087.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607831853612b---tamamiguvekivig.pdfIn PDF document text
  • http://vititanon.com/user_img/files/saxawifujewenufenu.pdfIn PDF document text
  • https://wemservice.com/ckfinder/userfiles/files/fumalunuzinojevedijonig.pdfIn PDF document text
  • https://koffiewarenhuis.nl/app/webroot/files/userfiles/files/legilusaj.pdfIn PDF document text
  • https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/ut598lguof9n1uued3bmuskep2/28229880044.pdfIn PDF document text
  • https://ukmalayalamnews.com/userfiles/file/55755787139.pdfIn PDF document text
  • https://www.dogandemir.av.tr/paketler/ckfinder/dosyalar/files/90616515146.pdfIn PDF document text
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/51u10ve6h1sraddbm83sfsda1c/20746394531.pdfIn PDF document text
  • http://childconnect.com/swi/fckfiles//file/zufafixukowagiku.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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