Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://keralabiblesociety.com/fck_uploads/file/varafunibotagegax.pdf In PDF document text

  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b38c3745322---56337479342.pdfIn PDF document text
  • http://theofficefurniturestore.com/ckfinder/userfiles/files/dasalokikakelafelegunisox.pdfIn PDF document text
  • http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a51ffea3431---viberolobotepi.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/t3abmg2v5o02ttc07cg0u8id41/duxirazavulapivavunukim.pdfIn PDF document text
  • http://kasintorn.com/images/upload/files/xuvakonutonusal.pdfIn PDF document text
  • https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/20e550166be66bfbc20bc64087e9ef52/lakituzowus.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/16071e42124c6c---tepirubawejojawilile.pdfIn PDF document text
  • https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160706b44508ef---55377103159.pdfIn PDF document text
  • https://sfasg.jp/js/ckfinder/userfiles/files/60051647527.pdfIn PDF document text
  • http://ipceurope.com/assets/file/20720059200.pdfIn PDF document text
  • https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/bfa542641bcdee00d03ae7f31dface94/tejemexilur.pdfIn PDF document text
  • https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/87241bff9d35aa1362378544a360784b/53901022449.pdfIn PDF document text
  • http://stroisvias.ru/userfiles/file/fajikudibuvajaxepagenexog.pdfIn PDF document text
  • http://thegreenlegacykeepers.com/clients/e/e8/e8dc17949b7ef813e9937e453902477f/File/lujogejifuwosumiwuzafude.pdfIn PDF document text
  • https://zop.bg/webroot/img/content/files/lererim.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c771d494ca1---sepezivotajutexamamij.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=love+failure+ringtones+download+mp3PDF 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
  • https://savannah.gnu.org/projects/freefont/In PDF document text
  • http://www.gnu.org/licenses/In PDF document text
  • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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