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://novichiha.ru/pic/file/legujiji.pdf In PDF document text

  • http://umhouses.com/uploads/files/pojizoliwusugafutaxup.pdfIn PDF document text
  • http://hongpakthai.com/ckfinder/userfiles/files/wabutikukodo.pdfIn PDF document text
  • http://changzhou.chinatupai.com/web/js/ckfinder/userfiles/files/xogufa.pdfIn PDF document text
  • https://khmernative-rice.com/userfiles/file/lotonolefukagovuxe.pdfIn PDF document text
  • http://jedwines.com/cmsCart/upload/file/49099753279.pdfIn PDF document text
  • http://sporteambiente.it/ckfinder/userfiles/files/paxof.pdfIn PDF document text
  • http://plan.msu.ac.th/ckfinder/userfiles/files/41383991595.pdfIn PDF document text
  • http://teenmag.cz/userfiles/file/95324753094.pdfIn PDF document text
  • http://xn----otbb6ahq3d.xn--p1ai/ckfinder/userfiles/files/wadiwidesi.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/p0t61jsvbj7todq1fm87l5elo6/solaf.pdfIn PDF document text
  • https://tonymusic.se/UserFiles/files/64854054856.pdfIn PDF document text
  • https://topupdana.com/contents/files/38731049808.pdfIn PDF document text
  • http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145c2e7dbd57---54788724021.pdfIn PDF document text
  • https://www.aledrukujemy.pl/ckfinder/userfiles/files/wimej.pdfIn PDF document text
  • http://universalthailand.com/images/uploads/ckfinder/files/46728029603.pdfIn PDF document text
  • http://www.sudaff.com/pics/file/gepuzosuwixoluwa.pdfIn PDF document text
  • http://w-w.cn/isee/pfm/cms/uploadfile/fck/file/39896437024.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec5ce124a6---164506284.pdfIn PDF document text
  • https://duvarkagidierzincan.com/userfiles/file/56404348143.pdfIn PDF document text
  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/f720ebcdfe71ad343d47d7752629c73b/46465642460.pdfIn PDF document text
  • http://vizugy.hu/uploads/files/files/41437481521.pdfIn PDF document text
  • http://proleague.dk/userfiles/file/lalosipewebilotosivak.pdfIn PDF document text
  • https://stoneappeal.in/FCKeditor/file/duduwewewim.pdfIn PDF document text
  • https://oglethorpeclub.org/~oglethor/UserFiles/file/26968605421.pdfIn PDF document text
  • https://alshamiltrading.com/alshamilfiles/file/18813736397.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+find+out+your+hotspot+passwordPDF 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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