Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 https://infrive.ru/uplcv?utm_term=interactive+table+of+contents+pdf PDF link annotation

  • https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/58807b07eafa34c96d12fab62deea493/80577467378.pdfIn PDF document text
  • http://j-line.ca/fck_upload/file/49868928021.pdfIn PDF document text
  • https://glycocalyx.nl/userfiles/image/file/9869887083.pdfIn PDF document text
  • http://amctop.com/board_data/editor_img/file/202106300517.pdfIn PDF document text
  • http://deurenhanger.nl/userfiles/file/96242055095.pdfIn PDF document text
  • http://www.hangmandigital.com/files/file/48715525501.pdfIn PDF document text
  • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160badd0e07d91---fivude.pdfIn PDF document text
  • https://rockyshairsalon.com/wp-content/plugins/super-forms/uploads/php/files/l0mh71tsvdiqc1jbucndi1s4mi/fabinonagevanedodedeme.pdfIn PDF document text
  • http://animalscipublisher.com/files/upfiles/file/zoxegisagu.pdfIn PDF document text
  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096192c6dc0c---4206891924.pdfIn PDF document text
  • http://hoshitorionline.com/uploads/files/fefabipovejifugi.pdfIn PDF document text
  • http://ibiforstarlight.org/clients/3/3c/3cfcca4e360ca8807b7dd7d6e7cbeae0/File/63487164184.pdfIn PDF document text
  • https://telechips.com/ckfinder/userfiles/files/9509950058.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091792cc9d43---tepudugalafekobinikireku.pdfIn PDF document text
  • http://www.sudaff.com/pics/file/8176232248.pdfIn PDF document text
  • http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa4b8c4bf9b---birege.pdfIn PDF document text
  • http://adabaskimerkezi.com/upload/file/fawizozowadoxaragifuvetu.pdfIn PDF document text
  • https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/55050145909.pdfIn PDF document text
  • https://led7.ru/file/44779851608.pdfIn PDF document text
  • http://slp70.com/clients/873855/File/39419571178.pdfIn PDF document text
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cec74255c17---41181840700.pdfIn PDF document text
  • http://stringquartet.biz/web/images/fck/file/74890576806.pdfIn PDF document text
  • http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16082968ed1a92---87732734071.pdfIn PDF document text
  • https://hiampelectric.com/wp-content/plugins/super-forms/uploads/php/files/feaf5bcc04700595fbbbcc5045c53309/62695753995.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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