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 https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/161363daa95159---duzisipupa.pdf In PDF document text

  • http://kvrhousing.com/uploads/15552521559.pdfIn PDF document text
  • http://zensushialiso.com/uploads/files/9707412804.pdfIn PDF document text
  • http://brandweeramsterdamamstellanden.nl/userfiles/file/tobatinifurexepixofoma.pdfIn PDF document text
  • https://esterkins.de/ckfinder/userfiles/files/92581524451.pdfIn PDF document text
  • http://tctrack.vn/images/newtech/files/75326117925.pdfIn PDF document text
  • http://timnhanhonline.vn/upload/files/dokuburivigopurodufuz.pdfIn PDF document text
  • https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/9213a27d60cfa462957caafe74d48454/12124046914.pdfIn PDF document text
  • https://drishtinetcom.in/FCKeditor/file/zoromovigi.pdfIn PDF document text
  • http://puntolinea.org/userfiles/files/21057691665.pdfIn PDF document text
  • https://bartonsteel.com/tony/barton/ckfinder/userfiles/files/56627071666.pdfIn PDF document text
  • http://123podkrovie.sk/editor_uploads/files/sanipozemu.pdfIn PDF document text
  • http://stensoproject.com/userfiles/files/rujigob.pdfIn PDF document text
  • http://pitchdecor-construction.com/user_img/files/razoboxomojosawa.pdfIn PDF document text
  • http://karaokejdi.com/ckfinder/core/connector/php/upload/files/ponefa.pdfIn PDF document text
  • http://yurisolomko.com/userfiles/file/mipozixasemonizidug.pdfIn PDF document text
  • http://schuetzenfest-hemeringen.de/ablage/userfiles/files/97869853081.pdfIn PDF document text
  • http://boki.hu/editor_up/18193808603.pdfIn PDF document text
  • https://wickedcheesy.com/images/file/telabitubape.pdfIn PDF document text
  • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/161319f71dfb76---zadopo.pdfIn PDF document text
  • https://huaienclinic.com/uploadpic/files/52623936237.pdfIn PDF document text
  • http://project-lovcen.me/userfiles/file/66984004762.pdfIn PDF document text
  • http://seattledesis.com/fckeditor/file/lixalikeriseku.pdfIn PDF document text
  • http://lotusromeo.fr/app/webroot/files/userfiles/files/63786874061.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=pdf+maps+of+irelandPDF link annotation
  • http://www.cst.rnu.tn/js/ckfinder/userfiles/files/67345704415.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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