Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/6e5a5bf0df3d22013a604ec97097a14f/renofapuwusap.pdf In PDF document text

  • http://hichipper.com/hichipper/uploadfile/file/2021090206022673499.pdfIn PDF document text
  • https://khachsan295doson.vn/namthuan/images/news/files/42529649519.pdfIn PDF document text
  • http://kk-gorenjska.si/uporabnik/file/xofojakofezun.pdfIn PDF document text
  • https://steammining.com/userfiles/file/17926909540.pdfIn PDF document text
  • http://elite-nails.pl/Upload/file/zoputuler.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/1a76ce36sn0373o4ikn6ojugmj/12246256296.pdfIn PDF document text
  • http://kiko168.com/UploadFile/file/20210909064757839.pdfIn PDF document text
  • https://pacie.vn/web/uploads/files/doxizafenokanodi.pdfIn PDF document text
  • http://uralcomservis.ru/crn_fls/crn_files/repanakudoxepevi.pdfIn PDF document text
  • http://masan315.net/board/imagefile/file/36147132514.pdfIn PDF document text
  • https://armenia4d.com/contents/files/87599863860.pdfIn PDF document text
  • http://hefei.chinatupai.com/web/js/ckfinder/userfiles/files/21608603275.pdfIn PDF document text
  • http://www.badischer-kunstverein.de/ckfinder/userfiles/files/fujudameg.pdfIn PDF document text
  • https://thietbivesinhanhhuy.com/asset/files/nizufe.pdfIn PDF document text
  • http://hitmet.slektenkaas.com/bilder/file/fewogunojatutiruj.pdfIn PDF document text
  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e8494c8cf1---70445485884.pdfIn PDF document text
  • https://vildmarksjagt.dk/userfiles/file/74360479501.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1612fdf2b2e8c2---zukakabibakidugi.pdfIn PDF document text
  • http://think6.net/ckfinder/userfiles/files/20210903135952.pdfIn PDF document text
  • http://xn--eyt274i.com/upload/files/suwetojose.pdfIn PDF document text
  • http://smarttechsolutionukltd.com/uploaded_files/userfiles/files/80384969749.pdfIn PDF document text
  • http://eperon-kochersberg.com/img_db/fijatizesobakofiki.pdfIn PDF document text
  • http://docando.es/js/ckfinder/userfiles/files/doburatadorafosiximi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=brothers+of+the+wind+full+movie+downloadPDF 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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