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://inwebjor.ru/uplcv?utm_term=best+pet+hair+vacuum+nz PDF link annotation

  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfc036dce6c---95804549895.pdfIn PDF document text
  • http://metabolit-plus.ru/files/file/wagazifoxunojujaritujo.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160741b377e8f5---pezenageve.pdfIn PDF document text
  • https://tranduongauto.com/app/webroot/files/images/pages/files/munubib.pdfIn PDF document text
  • https://shiphangnhanh.net/uploads/image/files/soravuromulukebanupa.pdfIn PDF document text
  • http://opt-russtd.ru/data_center/upload_pictures/file/68204137455.pdfIn PDF document text
  • http://namngonviet.com/user-/files/47810322963.pdfIn PDF document text
  • https://almoheetmanpower.com/public_html/userfiles/file/63177078552.pdfIn PDF document text
  • https://gaziemirkentkonseyi.com/upload/files/11111838351.pdfIn PDF document text
  • https://burkina-businessschool.com/business_school/uploads/file/talufafaberegupapon.pdfIn PDF document text
  • https://acgroupenterprise.com/userfiles/file/wusofegevuvexiti.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d1951f2f1ed---ropibonematu.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/m8ggdepla1od86gusbvrmiscg0/24298664824.pdfIn PDF document text
  • https://binarbaid.com/public_html/userfiles/file/bariwadivajevanivogaz.pdfIn PDF document text
  • http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608244d5832c5---febotekidopasogo.pdfIn PDF document text
  • http://rayanchem.com/d/files/12937843218.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16091894f82cd4---72147674801.pdfIn PDF document text
  • http://skisun.it/userfiles/files/kumikumufidorixemedimope.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1606c68dfb7b1f---46385306249.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610cf7ba9342f---25229486860.pdfIn PDF document text
  • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/160856f0e90063---37986451178.pdfIn PDF document text
  • https://bauarch.bg/files/63621815682.pdfIn PDF document text
  • http://lex-ter.ru/admin/ckfinder/userfiles/files/89773611398.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609201a388cb7---tutidegijadakagik.pdfIn PDF document text
  • http://fiumevivo.it/userfiles/files/soxatun.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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