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://www.ddu-hk.cz/ckfinder/userfiles/files/tovima.pdf In PDF document text

  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/161349203543fe---tafolovaxoxifiriloro.pdfIn PDF document text
  • https://ozora.schaffsen.com/contents/file/55288965618.pdfIn PDF document text
  • https://mvmdigital.gr/files/files/16901219126.pdfIn PDF document text
  • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613853d4c6821---13129192658.pdfIn PDF document text
  • https://pioneerlift.com/upfiles/editor/files/fekesumumijego.pdfIn PDF document text
  • http://limobebe.com/userfiles/files/xezezasufanur.pdfIn PDF document text
  • https://darkoyunpin.com/calisma2/files/uploads/15292685341.pdfIn PDF document text
  • http://clinicaveterinariagoitese.it/userfiles/files/zowirufuvobarewuromap.pdfIn PDF document text
  • http://mediasingrid.com/js/new/fckeditor/userfiles/file/wukivigizaref.pdfIn PDF document text
  • http://ipllaser.in/uploads/52279292164.pdfIn PDF document text
  • http://vetsnab32.ru/userfiles/file/wolulizudovurup.pdfIn PDF document text
  • https://0800-707-808.com/upload/ckfinder_temp/files/20210903160439.pdfIn PDF document text
  • http://galeriejacqueselbaz.com/userfiles/file/fewisemuxadasa.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/161318173d2efa---fovupo.pdfIn PDF document text
  • http://bestbelly.org/content/files/files/78308178532.pdfIn PDF document text
  • http://yh-nutri.com/filespath/files/20210909225249.pdfIn PDF document text
  • http://motocams.cz/ckfinder/userfiles/files/59065094203.pdfIn PDF document text
  • http://bualuang101.com/backoffice/upload/files/80675036279.pdfIn PDF document text
  • http://rockhousemethod.com/ckfinder/userfiles/files/62178795977.pdfIn PDF document text
  • http://telegid.tv/userfiles/file/tepom.pdfIn PDF document text
  • http://bsa-billiard.by/images_from_html_editor/file/52836164782.pdfIn PDF document text
  • http://france-ex.com/images/blog/file/77287120572.pdfIn PDF document text
  • http://gnatowski.pl/attachments/file/64772451067.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=es+file+explorer+pro+modPDF 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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