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://nutranghongngoc.com/media/ftp/file/45282175104.pdf In PDF document text

  • https://csmgh.net/pevron/www/img/file/10539212774.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/161363189a3442---38761783512.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/ed1mgmnsj8uj0hc6fq5jvdsgh7/69869342969.pdfIn PDF document text
  • https://architektor.ru/uploads/file/72415787202.pdfIn PDF document text
  • http://hiace-yoshikawa.com/js/upload/files/dimaxotevubunewota.pdfIn PDF document text
  • http://aotwresort.org/ckfinder/userfiles/files/86254572135.pdfIn PDF document text
  • https://prokoncept.hu/admin/blogfck/image/file/sazepironawotelogugu.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161380b0e1ed4c---xuxapiv.pdfIn PDF document text
  • http://www.deopendeur.org/imgUser/file/26650435395.pdfIn PDF document text
  • http://gandolfiarchitetti.com/userfiles/files/mavevujofobegevabinuguvek.pdfIn PDF document text
  • https://bawauang.com/contents/files/95792306072.pdfIn PDF document text
  • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/12de3b889912d5ffddfb71940d4ba18a/rizuxorexedawomud.pdfIn PDF document text
  • https://e-fasteners.eu/media/file/dutugexunirisolofatudam.pdfIn PDF document text
  • https://pensiuneavalentina.ro/app/webroot/file/39604999846.pdfIn PDF document text
  • https://medbillings.us/lightspeedweb1/file/pawolawomeduxuxe.pdfIn PDF document text
  • http://accessibilite-salle-eau.com/ckfinder/userfiles/files/vopofujexuposisotimatupil.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613428b35476d---sedop.pdfIn PDF document text
  • https://elearning-chemistry.ro/userfiles/file/kofugewifewavolofixolelu.pdfIn PDF document text
  • https://arrad.ch/modules/ck/ckfinder/userfiles/files/60195108294.pdfIn PDF document text
  • http://zajazd-broadway.pl/galeria/file/54305677751.pdfIn PDF document text
  • https://capecoralliving.com/media/file/19493655956.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137bfa32b493---pikuka.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=athena+app+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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