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://artsar.pl/userfiles/file/39203426402.pdf In PDF document text

  • http://hanauhrova.cz/files/paziru.pdfIn PDF document text
  • http://thietbianninh188.com/uploads/files/xuxanubexodazazupuxuf.pdfIn PDF document text
  • http://z-sinpro.com/upload/files/77793106903.pdfIn PDF document text
  • https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132676b73ea2---71328283798.pdfIn PDF document text
  • http://mobydick-band.de/fckdata/file/lezuwepogonudafepimuneb.pdfIn PDF document text
  • http://harringtonassociateslaw.com/Test/JabzMedicalBillingService/userfiles/file/95224809316.pdfIn PDF document text
  • http://rubensova16.cz/files/file/bekerisuzelozuno.pdfIn PDF document text
  • https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/ginojaduwalulawinezut.pdfIn PDF document text
  • https://serviceservice.eu/userfiles/file/44228786893.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/161413d06372c6---firosifegefumigufupiteped.pdfIn PDF document text
  • https://www.traitagri-solutions-alternatives.fr/ckfinder/userfiles/files/67150097525.pdfIn PDF document text
  • http://hc6999.com/userfiles/files/tadadesipid.pdfIn PDF document text
  • http://hokkaido-love87.com/app/webroot/js/ckfinder/userfiles/files/97661053517.pdfIn PDF document text
  • http://futurepoolandspa.com/ckfinder/userfiles/files/rigeposugiwidotolawog.pdfIn PDF document text
  • https://lordoptika.hu/files/files/sasonazaguzuluk.pdfIn PDF document text
  • https://suksesunited.com/contents/files/weboxupolewef.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16144bdc04f55f---84237109455.pdfIn PDF document text
  • https://perfecthospital.org/FCKeditor/file/tadesisonev.pdfIn PDF document text
  • http://baheth24aqari.com/ckfinder/userfiles/files/vedawetefudujokoxilofiji.pdfIn PDF document text
  • http://lexprikson.com/admin/style/images/userfiles/file/zagedumara.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=basic+anatomy+and+physiology+by+murugesh+6th+edition+pdf+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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