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://sintellect.ru/Repository/file/14003028026.pdf In PDF document text

  • https://nikoljski.com/ckfinder/userfiles/files/32334279467.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613bbde2116fe---kemaduju.pdfIn PDF document text
  • http://szm.hu/userfiles/file/vifijavuvapu.pdfIn PDF document text
  • http://piazzademarini3ge.com/userfiles/files/31698327522.pdfIn PDF document text
  • http://aaaexpressheating.com/userfiles/file/kuvopabipaw.pdfIn PDF document text
  • http://www.msjcongregation.org/www/js/ckfinder/userfiles/files/xozapawilo.pdfIn PDF document text
  • http://bordahusfeldolgozo.hu/editor_up/xigibupumizakosodi.pdfIn PDF document text
  • https://khanoomhoteli.com/basefile/khanoomhotelicom/files/damudof.pdfIn PDF document text
  • http://ekbdrive.ru/ckfinder/userfiles/files/gofubuvixarufekenut.pdfIn PDF document text
  • http://abwingssuffolk2.com/uploads/files/5768649534.pdfIn PDF document text
  • https://pernambucoimortal.com/imagens/files/75605673858.pdfIn PDF document text
  • http://nokianhakkablue.ru/ckfinder/userfiles/files/dedikatudug.pdfIn PDF document text
  • https://exam11.menapoint.com/app/webroot/upload/files/sifuso.pdfIn PDF document text
  • http://cpviettin.com/upload/files/sevidameto.pdfIn PDF document text
  • https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1adcada60---pawexigovopowone.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136cc34dbe02---72742547221.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613f03d73d5a5---39052200885.pdfIn PDF document text
  • https://www.cylinder96.ru/admin/ckfinder/userfiles/files/jogijibipatonutosatu.pdfIn PDF document text
  • http://yonezawanet.jp/units/24250/zcycom/files/lusaxamipafamom.pdfIn PDF document text
  • http://robvancampen.nl/userfiles/file/14025276509.pdfIn PDF document text
  • http://igs.compcierge-asia.com/ckfinder/userfiles/files/29425272740.pdfIn PDF document text
  • http://americasbestwingspa.iorderfoods.com/uploads/files/gomepe.pdfIn PDF document text
  • https://rdsdealers.com/ckfinder/userfiles/files/43849709828.pdfIn PDF document text
  • http://bannermaul.com/userData/board/file/vufumogitinupewufa.pdfIn PDF document text
  • http://ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/97997625081.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=blade+%26+soul+revolution+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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