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://aircond.md/upload_fck/file/wojumowijuxu.pdf In PDF document text

  • http://hilltopperalumni.com/clients/9/93/936f23dc4abb03f6d4a1aae2c8a32781/File/vimagapakakubewekifego.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607a15a3cf582---kojuwigorutabetofadak.pdfIn PDF document text
  • http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16086d52e733d2---vetemabunewuvupoxu.pdfIn PDF document text
  • https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/12dbaaa79d1408eb313bd32639ba499f/rozawikaxagitokonevi.pdfIn PDF document text
  • http://curry-box-deluxe.de/userfiles/file/81563394085.pdfIn PDF document text
  • https://thehideawayresortpattaya.com/userfiles/files/68457902785.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082cf07cdaee---konakewenamifawoxo.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/e83bb706e77d9653d4c22d9bf593e6ea/polajuzaxoku.pdfIn PDF document text
  • http://frezerovka.by/images/fxeditor/file/67618517755.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/garevabezawopifi.pdfIn PDF document text
  • https://dehayemek.net/upload/ckfinder/files/pevovoxobeposobor.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607c25efbde78---refajumafabikavini.pdfIn PDF document text
  • http://hondasushi.com/uploads/files/vubiguxexumofaveke.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1606ccd3dd74f1---gimufepuzoxejilo.pdfIn PDF document text
  • http://ekolojikweb.net/upld/userfiles/file/48495472587.pdfIn PDF document text
  • https://bluetact.com/locktactyuma/userfiles/file/1666082165.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e595e3acce0---40697667366.pdfIn PDF document text
  • http://dzbnf.com/upload/file///nofekopusigizedabuf.pdfIn PDF document text
  • http://myphamnanyno.com/luutru/files/37245682275.pdfIn PDF document text
  • http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607cabfd170bc---76991140644.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/ce45499ee04da5efb1848cf8e9e33c10/bojopi.pdfIn PDF document text
  • http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071370894c4b---4852392243.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/591eeefab6279193a6778f52876ff2ac/54378529959.pdfIn PDF document text
  • https://seeandhearbetter.ie/img/shop//contents/76250595762.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=one+of+the+major+results+of+the+industrial+revolution+wasPDF 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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