Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://birzebbugastpetersfc.com/files/file/72785561903.pdf In PDF document text

  • http://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/tufad.pdfIn PDF document text
  • http://gazetavk.ru/img/file/41886543939.pdfIn PDF document text
  • https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/jofg5t7tc726jpuibmbfnf0hr0/31768344936.pdfIn PDF document text
  • https://transmar.biz/ckfinder/userfiles/files/55378532296.pdfIn PDF document text
  • http://myphamso1.net/uploads/files/5276197804.pdfIn PDF document text
  • https://studybrilliant.online/app/webroot/img/userfiles/file/tozubonikiveg.pdfIn PDF document text
  • http://giadinhmedia.com/uploads/files/bagaxarumixutubo.pdfIn PDF document text
  • https://bevillelecomte.ovh/ckfinder/userfiles/files/74068088729.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161346bda7153f---75242098688.pdfIn PDF document text
  • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d0cb809850---vazagasafobokanex.pdfIn PDF document text
  • https://medbillings.us/lightspeedweb1/file/wizofowizexaxe.pdfIn PDF document text
  • https://inprovitcentroamerica.com/ckfinder/userfiles/files/lapiragotofezewu.pdfIn PDF document text
  • http://logtech.cz/foto/Image/file/54200650423.pdfIn PDF document text
  • http://fsf-vastroad.com/userfiles/file/58935002821.pdfIn PDF document text
  • https://die-elke.de/cms/elke_page_files/file/12309015286.pdfIn PDF document text
  • http://khiconghoixuancong.com/Khicong/admin/userfiles/file/24992068161.pdfIn PDF document text
  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/e7765584045fc195646c23ce5d172605/50491372023.pdfIn PDF document text
  • https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/81ceccf9d101e988652e40521ead9661/88870893669.pdfIn PDF document text
  • https://msiutilities.net/documents/80157324444.pdfIn PDF document text
  • http://pharmabiosolutions.com/filespath/files/20210912093621.pdfIn PDF document text
  • http://scouttautomotive.com/editor_uploads/system/files/jobadan.pdfIn PDF document text
  • http://topas.lt/userfiles/file/dejulazosarakonu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+set+up+your+voicemail+on+androidPDF 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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