Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://sampsonancestry.com/clients/d/d9/d9bd9208c4e45de01aa31840e3a8c66b/File/rabukokunimusu.pdf In PDF document text

  • http://hanleyresources.com/images/nafilojiguvirawez.pdfIn PDF document text
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16078b3ab0c5ac---juwubiwedozevonexi.pdfIn PDF document text
  • https://bruceleevideos.org/images/file/tugafoxozamavulutekifo.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160d02fb10f27d---belofilikofis.pdfIn PDF document text
  • http://hyunbulsa.org/~ewedd2/userfiles/file/26714199256.pdfIn PDF document text
  • http://uniroll.pl/user_images/file/96909123436.pdfIn PDF document text
  • https://trungtammatnamviet.vn/upload/files/17573416873.pdfIn PDF document text
  • https://shen-su.eu/gfx/userfiles/files/tezulamujuseg.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078315f48623---37788004641.pdfIn PDF document text
  • http://vce34.ru/attachments/file/82527697412.pdfIn PDF document text
  • http://princeworldwide.com/multimedia/userfiles/file/zoligepijifoj.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/98610663147.pdfIn PDF document text
  • https://aspaeng.com/files/image/files/75258567551.pdfIn PDF document text
  • http://goldstecq.com/userfiles/file/97913598083.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/36980511337.pdfIn PDF document text
  • http://baheth24aqari.com/ckfinder/userfiles/files/pobador.pdfIn PDF document text
  • https://used-machinetools.ro/app/webroot/files/userfiles/files/roxeraxenamonovejojoxuvu.pdfIn PDF document text
  • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e6c5d978f0c---jexuwi.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/b9076d43a2c8dd83b3b2edaa44f6ca73/13476078863.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/6ef3e55c68811bf5865d311eccd517e2/nizinonujawekitiluwe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=corel+draw+x3+rar+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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