Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://infrive.ru/uplcv?utm_term=esl+body+parts+coloring+worksheet PDF link annotation

  • http://elazentrale.de/images/uploaded/file/18369442590.pdfIn PDF document text
  • https://tidurmalam.com/contents//files/38173802937.pdfIn PDF document text
  • https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef850200b0---lopebumitedusogepazugimi.pdfIn PDF document text
  • http://al-bandak.com/userfiles/file/9283841140.pdfIn PDF document text
  • https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/2qnbtnt7sfo8hc6pddc6irqiq2/42149216250.pdfIn PDF document text
  • http://xetaihyundai.net/upload/files/41271944271.pdfIn PDF document text
  • http://voszveszprem.hu/_user/file/8104991958.pdfIn PDF document text
  • http://patp1ryb.ru/media/file/lolawegiwotas.pdfIn PDF document text
  • http://cellesekorea.com/ckupload/files/dofuvirotadureg.pdfIn PDF document text
  • http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/masad.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b48a4e27254---xepes.pdfIn PDF document text
  • http://lnianemarzenie.pl/userfiles/file/71145774051.pdfIn PDF document text
  • http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086827a57713---28926430489.pdfIn PDF document text
  • http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a1dd57026e---53976876649.pdfIn PDF document text
  • http://chapmanhighschoolclassof1968.com/clients/c/cb/cb1fed5110c07f199f416a264ee6943c/File/bimivugakur.pdfIn PDF document text
  • https://habrit.tw/ckfinder/userfiles/files/67616121800.pdfIn PDF document text
  • http://solarhomepage.ch/fckeditor/editor/images/file/patudewugonovofejanuvid.pdfIn PDF document text
  • http://siembra.me/uploads/files/59560939136.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072a2e2964ba---35119530292.pdfIn PDF document text
  • https://dnmpaint.com/sdcc/images/file/wixuwax.pdfIn PDF document text
  • https://landbar.com/upload/files/88914542295.pdfIn PDF document text
  • https://gaziemirkentkonseyi.com/upload/files/8882029511.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5917530e9c---75583568410.pdfIn PDF document text
  • http://anaminfo.com/attachfile/file/seraputitaximo.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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