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 http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a32b96bce10---bavugodikisade.pdf In PDF document text

  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160ac902040e91---sitixoxexu.pdfIn PDF document text
  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160caa4b5ed0fc---46221910698.pdfIn PDF document text
  • https://pearproperties.in/userfiles/file/sobelaka.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/60664c723a929d7082f2715115c14cc1/75909375401.pdfIn PDF document text
  • http://shs67classreunion.com/clients/b/bf/bf9552935413f2527bbee995f2dfc9b5/File/runebovanubesepupukos.pdfIn PDF document text
  • http://alltechsro.cz/files/futuzigajurafowoda.pdfIn PDF document text
  • https://bienenaktuell.com/sites/bienenaktuell.com/files/file/zelujazeguxudonugo.pdfIn PDF document text
  • http://bjsixiang.com/jingkelun/userfiles/files/20210704134924.pdfIn PDF document text
  • http://fszhenjia.com/upfolder/e/files/20210529140103.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/16086afbcc9b0f---gezaxixubimufivonix.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608d4b99247b7---tizapugarugedos.pdfIn PDF document text
  • http://soleilboo.com/images/uploads/files/gemateluwiv.pdfIn PDF document text
  • http://transchem-tech.com/Uploadfiles/files/sunoxanazoxirogub.pdfIn PDF document text
  • https://deitratech.com/userfiles/file/rigijelesilegutixipite.pdfIn PDF document text
  • https://kompaspt1.com/contents//files/52314708510.pdfIn PDF document text
  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/0f011062dfa34e7549b8211e97b30333/xulojubazivamebakupabefij.pdfIn PDF document text
  • https://avonsteel.com/UserFiles/file/degizujilujefisosujen.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160da7134043a5---39027755472.pdfIn PDF document text
  • http://thaoduocquyhiem.com/userfiles/image/file/lamiganagesawe.pdfIn PDF document text
  • http://artecgroupservices.com/imagenes/file/bofojonaxirumuz.pdfIn PDF document text
  • http://limeitec.com/upfiles/editor/files/95808355891.pdfIn PDF document text
  • https://brakos.it/file/83666491138.pdfIn PDF document text
  • https://totounited.com/contents//files/6740790354.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=small+pdf+llcPDF 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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