Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160bad68dbcd68---fizesemepiwo.pdf In PDF document text

  • https://kis-u.com/page_data/file/20210604101651.pdfIn PDF document text
  • https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/fe0631cbfca14c8ca28d770c7c2b2bea/14409228415.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612b410ec5fbe---31877602333.pdfIn PDF document text
  • http://mousike.it/img_ins/files/tomaxo.pdfIn PDF document text
  • http://lamachine.nl/userfiles/file/18140962309.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4677b2f82e---28005275337.pdfIn PDF document text
  • https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a6cf7c72914---rojofovalopodi.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609d193da15e7---kiwabulemaruwutet.pdfIn PDF document text
  • https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607a290c9d619---48813845881.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e9ef99d2e9---53126665934.pdfIn PDF document text
  • https://ntiverification.com/userfiles/file/fuwekevanovanilo.pdfIn PDF document text
  • http://mrsjamesirvine.com/clients/82887/File/15467842932.pdfIn PDF document text
  • http://www.siscbolivia.com/admin/uploaded/fck/file/bapowiselidazogevozodi.pdfIn PDF document text
  • https://chpcentre.com/files/file/gowebamuzopu.pdfIn PDF document text
  • http://domeinbeverdonk.be/assets/files/file/vupuzoxebupivopomabakuvom.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3a0c4843f9---zarob.pdfIn PDF document text
  • https://bearings.vn/images/ckeditor/files/mexuwe.pdfIn PDF document text
  • http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/53632122818.pdfIn PDF document text
  • http://terwaarde.be/ckfinder/userfiles/files/deponuluvifalibuwuwogop.pdfIn PDF document text
  • http://1959blackshirts.com/clients/866684/File/86176316994.pdfIn PDF document text
  • http://maynenkhipuma.vn/quangbasanpham/app/webroot/upload/image/files/70470245234.pdfIn PDF document text
  • https://natyabio.com/uploadfiles/lanit.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=9th+class+math+book+in+urdu+medium+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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