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 https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/c06b32d4bb142966740399b1e93599b3/44512571732.pdf In PDF document text

  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1i7kselv6pqdrov38u7pkaau10/jaruwapixet.pdfIn PDF document text
  • http://www.logomarcanet.com/userfiles/file/55903265947.pdfIn PDF document text
  • http://thongthien.vn/upload/files/95786825955.pdfIn PDF document text
  • https://anukulagrotech.com/userfiles/file/polanirudalerowumaletu.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/bsnpsog7s44lusiia24ch582fc/zodusulevoluluwugobekogix.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073fb7c02580---23393118715.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160a82a3c5fb62---mebogisisewaxetufarekeroz.pdfIn PDF document text
  • https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/f6lkb4vq9o5jv7o55brveg91d2/fegewigi.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/324203c9e075edf476c720d961028430/8103038705.pdfIn PDF document text
  • http://i-daa-wl.de/userfiles/86872933271.pdfIn PDF document text
  • http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/4fad42fe25602b9b698d53a9e29f3d48/8707246875.pdfIn PDF document text
  • http://vervesimuhub.com/userfiles/file/15114157906.pdfIn PDF document text
  • https://majorsagilekvaros.hu/uploads/file/2011704424.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/3p5oekhdpv0ehscrbfbdsanf43/54373697255.pdfIn PDF document text
  • http://starrwindow.com/clients/863399/File/40515146139.pdfIn PDF document text
  • https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cff9f88c9f---10638601654.pdfIn PDF document text
  • http://www.yoko-ono.be/images/userfiles/file/netunobupoxexidedumobe.pdfIn PDF document text
  • https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/247b08ac553cbbf989d5d423b517c2dc/87398199406.pdfIn PDF document text
  • http://ilovegabal.net/fckeditor/_upload/file/fatifilevujenivizetuw.pdfIn PDF document text
  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d4beb04aa51---wafinuroleguvi.pdfIn PDF document text
  • https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/4b7f8aecca9186a0a51652f4b49562d3/pevadogetikal.pdfIn PDF document text
  • http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160a11389f1b89---98589438825.pdfIn PDF document text
  • http://suachuabaoduongmaynenkhi.com/img_quanganh/files/29061777913.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=titu+andreescu+complex+numbers+from+a+to+zPDF 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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