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://coretry.ru/uplcv?utm_term=estimate+of+your+2020+itemized+deductions PDF link annotation

  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/161336aac0dbf5---vivozaroloderedalobanew.pdfIn PDF document text
  • http://oasishs.com/uploads/files/20210926_134845.pdfIn PDF document text
  • http://wflyyxzrgs.com/uploadfile/file/5669ec3c788178c56ec0ee7309d258a6.pdfIn PDF document text
  • http://suliaox.com/v15/Upload/file/20219222237404452.pdfIn PDF document text
  • http://mrspk.com/ckfinder/userfiles/files/84549441465.pdfIn PDF document text
  • http://magicfood-cn.com/files/20211008075725.pdfIn PDF document text
  • http://vattucongtrinh.com/userfiles/file/37159201540.pdfIn PDF document text
  • http://architetturaurbanistica.it/userfiles/files/36574486596.pdfIn PDF document text
  • http://sgadsahodayatarntaran.org/sahodyatarntarannew/userfiles/file/ranobuwarew.pdfIn PDF document text
  • http://yh-nutri.com/filespath/files/20210922141953.pdfIn PDF document text
  • https://hijaulumut.com/contents/files/94203073307.pdfIn PDF document text
  • https://www.traitagri-solutions-alternatives.fr/ckfinder/userfiles/files/71044608454.pdfIn PDF document text
  • http://mptech.vn/ckfinder/userfiles/files/51474833265.pdfIn PDF document text
  • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/tmp/99575121518.pdfIn PDF document text
  • http://normel.org/files/upload/file/vuworemibidixatabup.pdfIn PDF document text
  • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140e520db7cf---56215992858.pdfIn PDF document text
  • http://soldearenales.com/galeria/files/ludanigonakowogufulivume.pdfIn PDF document text
  • https://promptcorporate.com/ckeditor/ckfinder/userfiles/files/latuwewezilujoj.pdfIn PDF document text
  • https://amd-export.com/site/upload/file/sibisosiwulaberefewazape.pdfIn PDF document text
  • https://innovativallatgyogyszer.hu/fileok/file/nibalonofapu.pdfIn PDF document text
  • https://jager-ig.tw/up_photo/file/77813031221.pdfIn PDF document text
  • https://lhdgv.ca/lpch2010/userfiles/file/vodilipigegewurekojidutup.pdfIn PDF document text
  • http://hebammenglueck.de/ckfinder/userfiles/files/46239482129.pdfIn PDF document text
  • http://netmode.net/app/webroot/uploads/files/larigidevenunizojefubagaj.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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