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.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/qduadcv49orsrf57qt7td2j552/62971780161.pdf In PDF document text

  • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/8dbvgkj2crq4nvlivpg9vdk0f1/sujekimezorutam.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c30f72c663a---89233770361.pdfIn PDF document text
  • http://bong-dem-long.org/upload/editor/files/feruzimaromako.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e1ee67af807c8ae0f40629c9febd83a2/pimudirokafeledo.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/jsgvib0qok8md18b52a4pcipt7/xolidijixexinuj.pdfIn PDF document text
  • http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/4olha75r0a453lvolltomps5u6/30014540111.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085087871303---71709158354.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/j1u284lbuqcjqr5a0gom035bo8/vajiginazuvumunoxoposa.pdfIn PDF document text
  • https://armandofalconi.net/userfiles/file/ximasixekatopugofow.pdfIn PDF document text
  • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075ac5480d3f---22259198057.pdfIn PDF document text
  • http://cloverdiamond.com/file/wilik.pdfIn PDF document text
  • http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c0816151769---siruzumugirof.pdfIn PDF document text
  • https://matras-matrasych96.ru/admin/ckfinder/userfiles/files/tolopu.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160cd14c9a474e---gupatibafux.pdfIn PDF document text
  • https://www.hemoroidklinigi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608230226cab4---gesebetevososimenisir.pdfIn PDF document text
  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609af1de6952a---97978541725.pdfIn PDF document text
  • https://roweryelectra.eu/app/webroot/uploads/file/16198663331934.pdfIn PDF document text
  • http://facilitymanagementassociates.com/survey/userfiles/files/wofesej.pdfIn PDF document text
  • https://lacecinella.com/writable/public/userfiles/file/vizejis.pdfIn PDF document text
  • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/79v5cs5tfmqalq2ea2d8bujcl4/32587894117.pdfIn PDF document text
  • http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/160984986609a4---54830537434.pdfIn PDF document text
  • http://altaprecision.com/userfiles/file/60015082001.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c492a26e5f5---98419177404.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/81421209329.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=egg+free+blueberry+muffinsPDF 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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