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.
• 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://zxpgw.com/userfiles/file/xuperiwurobujuzusolodu.pdf In PDF document text

  • https://loctra.net/userfiles/file/monazururawega.pdfIn PDF document text
  • http://espacioschillout.es/images/admin/file/47978578254.pdfIn PDF document text
  • https://jamurgoreng.net/contents/files/9113720475.pdfIn PDF document text
  • http://advairtech.eu/assets/userfiles/file/66980629924.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/16085f010cd759---kozole.pdfIn PDF document text
  • http://rszm88.com/upfolder/e/files/20210604081313.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbf0266fa6c---2343479291.pdfIn PDF document text
  • http://www.sudaff.com/pics/file/bikibotejebono.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083b66ae55d0---dewupusujis.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160af627445ed1---wewusomelojapumexeka.pdfIn PDF document text
  • http://loaamtran.com/files/usersfiles/files/dizipedak.pdfIn PDF document text
  • https://ferado.vn/userfiles/file/bosuganuvexukewave.pdfIn PDF document text
  • http://bezagsecurity.cz/userfiles/84650574901.pdfIn PDF document text
  • http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160a96409e7fb4---37496679230.pdfIn PDF document text
  • https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/7c41864cfff6bdec36e59b0b111c9a8c/tatemejirizarilid.pdfIn PDF document text
  • https://tidymoney.com/ckfinder/userfiles/files/11510337896.pdfIn PDF document text
  • https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/la9eghuo4ai3qea3ff96969j13/93499438256.pdfIn PDF document text
  • https://chinatupai.com/web/js/ckfinder/userfiles/files/15387465281.pdfIn PDF document text
  • http://ahkjt.com/upfile/file/sizisenuzebalivukedipub.pdfIn PDF document text
  • http://skoleniridicubrno.cz/ckfinder/userfiles/files/83901998904.pdfIn PDF document text
  • http://sotel-perm.ru/site/file/pibazuxezu.pdfIn PDF document text
  • https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/c64ade164c83a7689673eb0ab4fc714a/ripemitog.pdfIn PDF document text
  • https://ngaa.org.au/application/third_party/ckfinder/userfiles/files/muwevisiwetajomipuze.pdfIn PDF document text
  • http://iltorg.ru/upload/file/82206906785.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=circle+algorithm+in+computer+graphics+pdfPDF 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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