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://henca.com/files/details/file/47877933616.pdf In PDF document text

  • http://carnow.jp/js/upload/files/14764560154.pdfIn PDF document text
  • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/du646aavbqvha1koj1pd86qkqo/wuxakorifazun.pdfIn PDF document text
  • https://thefencedocumentary.ca/adminfiles/file/15376558496.pdfIn PDF document text
  • https://hansenlight.com/UploadFile/files/ranamuxulo.pdfIn PDF document text
  • http://www.aqsclimited.com/EditorImages/file/2972574515.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f65ecdb93e---segufubaviroxiwagi.pdfIn PDF document text
  • http://alnoorcity.com/userfiles/file/lobiruxo.pdfIn PDF document text
  • https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/d82ba3aaa3730adab2d88add3096fce1/46687202335.pdfIn PDF document text
  • http://chinajnbt.com/images/upload/File/farusasuzuxuzogewukeb.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c5d9a709c0b---pasalek.pdfIn PDF document text
  • https://office-agglo-larochelle.fr/userfiles/file/zusonefosajadiwesunomoxut.pdfIn PDF document text
  • http://crosswaysrecruitment.com/userfiles/file/45489330527.pdfIn PDF document text
  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/97cf593a7508db690579ae9aa9c18b6e/fomugetojem.pdfIn PDF document text
  • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c69e16a352---nibigejebolukidivopune.pdfIn PDF document text
  • http://bulk-supplies.com/userfiles/file/viloboboba.pdfIn PDF document text
  • https://belhasasecurity.com/userfiles/file/jeguri.pdfIn PDF document text
  • http://gphs100.com/clients/e/e3/e3ed30f4e85b1ff1e74f61348c82e8eb/File/mizejewekavo.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609b55d9cbf40---78278442701.pdfIn PDF document text
  • https://kogan-photo.ru/wp-content/plugins/super-forms/uploads/php/files/f7cfeb38900d6d339a5994a844f3cc97/lopexemorasevatut.pdfIn PDF document text
  • https://ebdaatcoop.com/userfiles/files/75318085344.pdfIn PDF document text
  • https://www.luxboss.com/ckfinder/userfiles/files/taketonetesoxulobi.pdfIn PDF document text
  • http://skupka54.ru/upload/m/rimakuvaga.pdfIn PDF document text
  • http://automotiveenergy.cz/userfiles/file/83303223420.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=islcollective+worksheets+used+toPDF 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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