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://korzayithalat.com/spot/admin/fckeditor/userfiles/file/15501256056.pdf In PDF document text

  • http://bagumul.com/file_upload/spaw_upload/file/20210507024304.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075d63a4c2d1---tonozoxazerugib.pdfIn PDF document text
  • http://www.tobywells.org/media/fckdir/file/39295034920.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/fnqifv5988oa28ibpt27757fm9/14842681712.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a000772d976---73333848017.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/cded44fdc025bdd1e0621285306425a5/gotowerugakexozemejudut.pdfIn PDF document text
  • https://drishtinetcom.in/FCKeditor/file/sunex.pdfIn PDF document text
  • http://kipia-nn.ru/userfiles/file/9752230268.pdfIn PDF document text
  • http://www.trafikyaren.com/wp-content/plugins/super-forms/uploads/php/files/n07ec7h4bes6j961v6pnqnr794/nufizujimumug.pdfIn PDF document text
  • https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/169670cb9cea124f15962988bf8d0bc0/50879457443.pdfIn PDF document text
  • http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/1607ecf5ac8d2b---24908614345.pdfIn PDF document text
  • https://arerp.kr/data/file///4703580208.pdfIn PDF document text
  • https://acrgruppe.de/userfiles/file/36628054434.pdfIn PDF document text
  • http://whitefamilyreunion2020.org/clients/4/4c/4c64578d40ee165aaf486c9a1ef3309b/File/metixuwifarozo.pdfIn PDF document text
  • https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/cd7141071b3de109c9b0e10432aef5dd/77197746793.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3aaddd0de7---dujawagafujeb.pdfIn PDF document text
  • http://anthonyvienna.com/sites/default/files/file/ladavagu.pdfIn PDF document text
  • http://www.hangmandigital.com/files/file/41172964956.pdfIn PDF document text
  • https://tese.in/ckfinder/userfiles/files/kogosifumefidima.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099aea5c5e9b---29949457025.pdfIn PDF document text
  • http://ekvatorbl.com/userfiles/file/60685901441.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1610584b5cd561---gopawetewe.pdfIn PDF document text
  • http://fittbike.hu/files/file/47731288878.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=cuanto+es+1+metro+56+centimetros+en+pies+y+pulgadasPDF 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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