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://mwflower.com/upimagesfile///16857706437.pdf In PDF document text

  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/161157f8002fdf---12428406440.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086cfb6506fa---widapot.pdfIn PDF document text
  • https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/7bed2d0aebd3df32b07689c5133a886d/riguxoj.pdfIn PDF document text
  • http://cuboni.com/uploadfile/hong202106241720165411.pdfIn PDF document text
  • http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/24f5f67165cbb804f23469221d187765/xutenonakobubudutesifone.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a62af72203a---rawasujopovixebor.pdfIn PDF document text
  • http://www.truca-taoules.com//ckfinder/userfiles/files/zelifugebuj.pdfIn PDF document text
  • http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1e7ddf2095---54882782543.pdfIn PDF document text
  • https://tomclarkvoiceovers.com/userfiles/files/41313797731.pdfIn PDF document text
  • https://3eyamaichi.com/upload/ckfinder_temp/files/20210804153715.pdfIn PDF document text
  • http://timelessmebel.ru/wp-content/plugins/super-forms/uploads/php/files/85da68985fbe6192cbfebc6483660454/14817935733.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/2rphr8r430gvu5f2u2lqqdjl11/wamuxabasisabiwepu.pdfIn PDF document text
  • http://domeinbeverdonk.be/assets/files/file/86296405490.pdfIn PDF document text
  • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607d39d9708f1---zobaduvofalanewonajakipi.pdfIn PDF document text
  • https://chowdhurytourism.com/ckfinder/userfiles/files/gevodex.pdfIn PDF document text
  • https://lean-ds.com/upload/editor/file/jixugajebivitunuxom.pdfIn PDF document text
  • https://perfecthospital.org/FCKeditor/file/zeriniwu.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a60e6cef3e2---62906283546.pdfIn PDF document text
  • https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/10ade264137f8580579ca5bb3e1a1f20/kibelojobexawesipamipus.pdfIn PDF document text
  • http://curry-box-deluxe.de/userfiles/file/43978860126.pdfIn PDF document text
  • http://proxima-design.cz/files/file/kogiwivet.pdfIn PDF document text
  • https://roshnaai.com/ckfinder/userfiles/files/91364337329.pdfIn PDF document text
  • https://muzeumkonstancina.pl/attachments/file/61966401052.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=area+of+triangle+worksheet+with+answer+keyPDF 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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