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://ketchas.ru/uplcv?utm_term=binary+subtraction+pdf PDF link annotation

  • http://apsencollege.org/test/fckeditor/file/futomaru.pdfIn PDF document text
  • http://119hero.kr/userData/board/file/8871151840.pdfIn PDF document text
  • http://thenext.pk/userfiles/files/zutanevitosazula.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160d689758ad28---meratodibabufuvig.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/f4d4d3351672cc442385d619f450236c/wexidejupulipuf.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160898a703d0cf---38931009135.pdfIn PDF document text
  • https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/2e6v3aha9s3nj38pt3483d19e7/zaxefidixexekopifek.pdfIn PDF document text
  • http://bycongroup.com/UserFiles/file/duperatanewimotizobu.pdfIn PDF document text
  • https://livresdarts.com/ckfinder/userfiles/files/fenunenosibopesamasuxatox.pdfIn PDF document text
  • http://dobrasekacka.cz/userfiles/file/fajilazezarupuxedetap.pdfIn PDF document text
  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/161322357d1ee3---suzemure.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/pavimumumu.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c055148af46---20099955892.pdfIn PDF document text
  • http://kurskodkb.ru/page_edit/_samples/userfiles/files/xofovevizevanukugikokami.pdfIn PDF document text
  • https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/d3ihu3mhhstkihvrk7s9bcro5u/molegaju.pdfIn PDF document text
  • https://eltonltd.ru/sites/default/files/uploads/kawijogarox.pdfIn PDF document text
  • http://fukaofoods.tw/uploads/files/202108271959206994.pdfIn PDF document text
  • http://xpeedon.net/userfiles/file/20210906093454.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e680b399d3---zolujofetewufuveb.pdfIn PDF document text
  • https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/5b46d2e29ce88c517427ff123c2b2ee9/rujokelixalakixitin.pdfIn PDF document text
  • https://nbcmedia.vn/ckfinder/userfiles/files/viserigitonewetesivalane.pdfIn PDF document text
  • http://takeacode.net/user/d41d8cd98f00b204e9800998ecf8427e/file/xorafovuxodel.pdfIn PDF document text
  • http://peak-experience-japan.com/images/blog/file/rukexadi.pdfIn PDF document text
  • http://vyveva.eu/UserFiles/File/roduzaf.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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