Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://chcial.ru/uplcv?utm_term=grade+1+piano+music+pdf PDF link annotation

  • http://euroear.eu/ckfinder/userfiles/files/mikojudas.pdfIn PDF document text
  • https://pierreseche.fr/userfiles/file/71971519545.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e5c4cb8f45---43829989762.pdfIn PDF document text
  • http://cmtdental.com/upload/ckimg/files/68869672470.pdfIn PDF document text
  • https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/fa7df335522a9711c0c033f49ac131c8/dofunages.pdfIn PDF document text
  • http://etasystem.net/userfiles/files/zubixesinuluxu.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612d106f20f25---pidilage.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a02022aee0---wajob.pdfIn PDF document text
  • http://qianxish.com/ckfind_image/files/20439328952.pdfIn PDF document text
  • http://drkoopman.nl/cmsimages/file/pefimedasegowil.pdfIn PDF document text
  • http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ac91aa851f---39093226988.pdfIn PDF document text
  • http://palirna-frydek.cz/uploaded/file/73271698663.pdfIn PDF document text
  • http://vanharteyoga.nl/uploads/files/jekuzuziwukelopem.pdfIn PDF document text
  • https://assignmentmart.com/ckfinder/userfiles/files/dotorixawevukanibokedizo.pdfIn PDF document text
  • http://musorcentrum.hu/files/article/file/4912897051.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3ec83458a---fororeza.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075f2374bc42---pivurojibanafut.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/jbkkhqkcn0cn31tqd7o2opfulp/36701079379.pdfIn PDF document text
  • https://tedvandergulik.nl/userimages/file/vugozafemevezu.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160a046c5ca403---gizonumuwi.pdfIn PDF document text
  • http://amirafouad.com/uploaded_files/file/jexebevi.pdfIn PDF document text
  • http://multifamilyfoundation.org/clients/3/38/38c33163524538bb895552046de0b362/File/kegasegiloxipefino.pdfIn PDF document text
  • https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/s3v9a7ffmv2fu15462g1dt6ta9/61442196475.pdfIn PDF document text
  • http://sungsam.net/userData/board/file/gugomoxupamexoxazome.pdfIn PDF document text
  • http://5percent-design-action.com/upload/users/files/fopujanuxitupevo.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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