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://krisoc.ru/uplcv?utm_term=7881a409+e2026e0c+8e883eff+92e9660d PDF link annotation

  • http://www.smartlandgroup.com/ckfinder/userfiles/files/33279780989.pdfIn PDF document text
  • https://perfecthospitals.com/FCKeditor/file/19511540150.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613e301219a43---mekijife.pdfIn PDF document text
  • https://abhimaninteriors.com/ckfinder/userfiles/files/gazulamenipajomavo.pdfIn PDF document text
  • https://embassyinvietnam.com/webroot/img/files/75371781212.pdfIn PDF document text
  • http://homelife-superstars.com/image/files/dinajobakonekigefe.pdfIn PDF document text
  • http://jamalcar.com/userfiles/file/vikujijikaganoxisogek.pdfIn PDF document text
  • http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16137ab000449c---72746880855.pdfIn PDF document text
  • http://evaemlak.com/userfiles/file///14518673637.pdfIn PDF document text
  • https://burkina-businessschool.com/business_school/uploads/file/40785611841.pdfIn PDF document text
  • https://girisimhaber.com/uploads/file/88948840839.pdfIn PDF document text
  • http://www.taylormadetc.com/siteadmin/ckfinder/userfiles/files/sititevan.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131550683ba4---38931251012.pdfIn PDF document text
  • http://kriosispl.com/cote_dor_import/admin/ckfinder/userfiles/files/kitumokitowudawowixupe.pdfIn PDF document text
  • http://foto-recepty.sk/images/fotky/37139165776.pdfIn PDF document text
  • http://turningpointdigital.com/cote_dor_import/admin/ckfinder/userfiles/files/78096372926.pdfIn PDF document text
  • https://nikoljski.com/ckfinder/userfiles/files/339207305.pdfIn PDF document text
  • https://insolite.lu/img/userfiles/files/97824446266.pdfIn PDF document text
  • http://jplus-ag.com/upload/files/BodyFile__613A849BAF334.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613dfbd50b3f5---jujor.pdfIn PDF document text
  • http://yusungchart.com/userData/board/file/80621848948.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210913044851768.pdfIn PDF document text
  • http://tylincms.com/userfiles/files/tenepirijo.pdfIn PDF document text
  • http://urbancollab.com/userfiles/Proj_Name/files/53144150682.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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