Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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 http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609d9e6a5dff4---70600796664.pdf In PDF document text

  • https://www.tanyadantus.com/wp-content/plugins/super-forms/uploads/php/files/8017e16d2cc7e9eb5fd1d8daf52745b4/vugefav.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161269ac84cd9d---25317201783.pdfIn PDF document text
  • https://akproauto.com/nbloom/fckuploads/file/josezu.pdfIn PDF document text
  • http://eca.or.th/ckfinder/userfiles/files/36365849164.pdfIn PDF document text
  • https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/tnb51h3on6lhhcqhouobm84h77/69240335565.pdfIn PDF document text
  • http://ziguratex.com/helpdesk/app/webroot/img/userfiles/files/11966565360.pdfIn PDF document text
  • https://prtl.pl/userfiles/file/kixaliwomikikokemeg.pdfIn PDF document text
  • https://equinox-e.com/upload/UserFiles/file/95171253936.pdfIn PDF document text
  • https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/c394f80b5336249df4e9f4a19dea26b6/48148697809.pdfIn PDF document text
  • http://mweb.cz/images/file/xovokud.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/b0e5de157d3b99c3a1985b249afb1098/2072030670.pdfIn PDF document text
  • https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/067878d1597954b4d235ee0d4ea95486/24500993357.pdfIn PDF document text
  • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/o89c57fkgu2fnv1iv4fpbflqu7/59676326174.pdfIn PDF document text
  • https://panegovernance.com/ourprojects/chowki/UserFiles/file/37536983354.pdfIn PDF document text
  • http://westernmaki.com/uploads/files/22983405506.pdfIn PDF document text
  • http://semihkerpiccilervesupersound.com/upload/file/dogoxulalesufemobuk.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2dc67dd601---8295945545.pdfIn PDF document text
  • https://horizontire.com/userfiles/file/32116350049.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1610fe2b4501df---luretapobirodegujepav.pdfIn PDF document text
  • https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/9e61541d923bc57c35aa03eba9c92b06/3853859376.pdfIn PDF document text
  • http://toyotarent.hk/FileData/ckfinder/files/20210707_90F2DCB8B7E02079.pdfIn PDF document text
  • http://daisin1977.com/js/upload/files/20147037509.pdfIn PDF document text
  • http://kadh.kr/bobod/upload/file/55549851448.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=synthesis+of+paracetamol+lab+reportPDF link annotation
  • 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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