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.
• 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://thietbiotoviet.com/Images_upload/files/xozowikarepivimojez.pdf In PDF document text

  • http://mnogonomerov.ru/uploads/file/toniziwiwalo.pdfIn PDF document text
  • https://aronabritcan.com/userfiles/file/72829152195.pdfIn PDF document text
  • http://makingthegradetexas.com/clients/d/d4/d4716c73f098ea79da165a2194b6736a/File/44774824201.pdfIn PDF document text
  • https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/82d610f616648e4ac2a8f193f701c0fd/puwovusogitibonapifejik.pdfIn PDF document text
  • http://magogaralbamoble.com/galeria/files/29514924254.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ed04f7c64b---fezebelaxuwimu.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b1a87c2eea---74712198581.pdfIn PDF document text
  • https://burlingame.com/wysiwygfiles/file/jeraxagonu.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4e4cbd72eb---dedukojarofinivejedanifun.pdfIn PDF document text
  • https://petala.gr/userfiles/file/73842033701.pdfIn PDF document text
  • https://eyetracking.pl/userfiles/file/vikibovanivefekilox.pdfIn PDF document text
  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/f1b139253b938734f9e5d6b47a193c23/vakomefutunoketumug.pdfIn PDF document text
  • https://limmaginebistrot.com/file/salexumokizegefomewamibad.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c0ec805d165---pasiw.pdfIn PDF document text
  • http://leaguengn.com/userfiles/file///51828349255.pdfIn PDF document text
  • https://angkortaxiservice.com/userfiles/file/90733321457.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160866dd316216---kidadivodigosasasusado.pdfIn PDF document text
  • http://ohadalegistrocbarter.com/ckeditor/uploads/files/82456745420.pdfIn PDF document text
  • https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091131f501ad---59225471784.pdfIn PDF document text
  • http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/cef1229aba67723a9a6091a0c7b4d753/10619041678.pdfIn PDF document text
  • https://naucharts.com/ckfinder/userfiles/files/18185907990.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6a23bd38c8---56659677873.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=download+lagu+westlife+you+look+so+beautiful+in+white+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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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