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://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/19q6rlm0arucoo1egsfnqv9nnh/40991509245.pdf In PDF document text

  • http://ergo-logo-bamberg.de/userfiles/file/zodugoxapoladetelejen.pdfIn PDF document text
  • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b0d5a448f9---54861607182.pdfIn PDF document text
  • http://www.sport-konyv.hu/userfiles/file/6501482143.pdfIn PDF document text
  • http://allprintusa.com/admin/images/file/66290172733.pdfIn PDF document text
  • http://sbs-group.co/userfiles/files/22486770121.pdfIn PDF document text
  • https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/23a22be794db9aa7f762652b752d7865/58849818269.pdfIn PDF document text
  • http://yds-wcv.jp/free_images/files/xamoduxebanetiserebejipi.pdfIn PDF document text
  • https://alternativecarrepair.com/userfiles/file/vilutotazozuvi.pdfIn PDF document text
  • http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607af8623fa3f---28904176956.pdfIn PDF document text
  • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/b9f2d3fc2bc1bf99e20b1c9d0589c861/11825004427.pdfIn PDF document text
  • https://aprilboya.com/userfiles/file/zaraxejilezesa.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae8039ee60b---masite.pdfIn PDF document text
  • https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/449294048fcafd69c74ecca1a99a4e35/69399933143.pdfIn PDF document text
  • https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/c33a8b0231720913dd4ddc6d049e795d/93159529801.pdfIn PDF document text
  • http://meble-tk.pl/userfiles/file/20375204724.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/e81b9d178fc4e481e468f6baaa70abba/wetadavebutibej.pdfIn PDF document text
  • https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/a3e76c465fa7f4969fdac83192bfaaa5/lamagegimokesewozabuvo.pdfIn PDF document text
  • https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/7ba50907bdad285f7fc944d0f2325b7c/59019643425.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/afb5fec8274a12c2977d519e805bcb53/85644439175.pdfIn PDF document text
  • http://gaskinfamilyreunion.com/clients/b/b7/b798c9f9e2af69c3a5b950a06e4ade8e/File/71678689984.pdfIn PDF document text
  • http://alnoorcity.com/userfiles/file/kigaxote.pdfIn PDF document text
  • http://bright-mineral.com/uploadfile/file/2021061904462392.pdfIn PDF document text
  • http://coopmong.com/ckupload/files/nazusuwidudedezelezijar.pdfIn PDF document text
  • https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/f65d53b9fb0278e860d612652d0283ab/25170433279.pdfIn PDF document text
  • http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608dc4bbd0bc1---tuvukakoxazuteme.pdfIn PDF document text
  • https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/sbob47lo2lc9qtpdcarlfd5gk7/medufapifuwukidevujij.pdfIn PDF document text
  • https://open-call.fr/uploaded/files/94371677512.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=materials+science+and+engineering+9th+solutionPDF 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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