Malicious PDF — malware analysis report

Heuristics 5

• 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://www.jindatunnel.com/up_files/file/tavejevemomub.pdf In PDF document text

  • https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086c50346b03---42859004096.pdfIn PDF document text
  • http://studiorumeo.it/userfiles/files/96927614498.pdfIn PDF document text
  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130bab861422---soxagitopura.pdfIn PDF document text
  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/a6784618cf226f047309e223d63f0c05/nubaruliwirotefaxalakotob.pdfIn PDF document text
  • https://cursosadistanciayonline.com/medios/files/finuxedepetatijeg.pdfIn PDF document text
  • https://burragebrothers.com/demo/jolie/beta/userfiles/files/nudazipiloxojo.pdfIn PDF document text
  • http://steps4cancer.org/clients/a/a7/a78c374070a178914b502abaf3db82b8/File/lugilalavupabodelo.pdfIn PDF document text
  • https://ms1oke.com/contents/files/rexiwobuvup.pdfIn PDF document text
  • https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/23c578d699301d11f8a1e5ccf3de3ece/nodesaxepuz.pdfIn PDF document text
  • https://deltaguvenlik.net/userfiles/file/fozulogosudipadatubuguj.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1608199f00a9b7---zafakuxofifaxal.pdfIn PDF document text
  • https://abyway.lv/images/ck_images/files/gepatidanapoxapore.pdfIn PDF document text
  • https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1865a1b67---bofuwulezafebizite.pdfIn PDF document text
  • https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca4858390d---fitopikinemifureboka.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160804f00957b4---bapolisobizugepumusupef.pdfIn PDF document text
  • https://srldirect.com/ckfinder/userfiles/files/30506553370.pdfIn PDF document text
  • http://phpirateboosters.com/clients/867602/File/tilarudamiwa.pdfIn PDF document text
  • http://iktoktatas.hu/files/file/fosifotututolozej.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec9091e8c4---topusipuxemob.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088400c69648---59521750794.pdfIn PDF document text
  • http://lbtech.kr/upfile/files/tajitegameloforibof.pdfIn PDF document text
  • https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/o3sh27facak0bfoaq0528u15i5/dovenegesuxadumufekopedag.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=centrelink+rent+certificate+form+pdf+downloadPDF link annotation
  • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/2479a2fb15708a164b3d50d1ff37bae1/98986996500.pdfIn PDF document text
  • 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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