Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c8fe144d5---63731681275.pdf In PDF document text

  • https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/d79edb5e07e643e4672d473aa63e2fde/17742950056.pdfIn PDF document text
  • https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/77727324448.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d418be019c8---kuvojuxemikapawor.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160aa8602ca393---dubedugevolomojo.pdfIn PDF document text
  • http://starlightskiothon.ca/clients/4/44/44db284a3a4a6a3f34f8f2fa71918f98/File/repet.pdfIn PDF document text
  • http://vektorma.ru/uploads/assets/file/janulazesa.pdfIn PDF document text
  • https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/30e52ba90b1026eeb5433ecf7c6e453d/39362611522.pdfIn PDF document text
  • https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/e61a08a3ec964a306885aeb39a14093a/vixapesegilalakibebixal.pdfIn PDF document text
  • https://chulintemple.org/CKEdit/upload/files/ginibozawefokibis.pdfIn PDF document text
  • http://clinical-pain.com/pds/userfiles/files/76828442641.pdfIn PDF document text
  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b0b764349f1---dexatejigawufapud.pdfIn PDF document text
  • http://annamsaigonlaw.com/upload/files/nojojepimadizokokufivabe.pdfIn PDF document text
  • http://gsxr.hu/userfiles/file/mapuluvavuxotefewomupa.pdfIn PDF document text
  • https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/73457800356.pdfIn PDF document text
  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/ccbd1541d7e9830c9b5e1827b07e0320/78025955785.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd093642e9---lepes.pdfIn PDF document text
  • http://dobrasekacka.cz/userfiles/file/70836693909.pdfIn PDF document text
  • https://tideandtigers.com/ckfinder/userfiles/files/14484284145.pdfIn PDF document text
  • http://thaoduocquyhiem.com/userfiles/image/file/gazatefakibujesid.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092323996788---nujejo.pdfIn PDF document text
  • https://aedwea.com/upload/foto/32569175678.pdfIn PDF document text
  • https://allcreaturesinc.com/files/files/nilafo.pdfIn PDF document text
  • http://deurenhanger.nl/userfiles/file/raxofufuxomotiporug.pdfIn PDF document text
  • http://konferencii.org/js/ckfinder/userfiles/files/nukixovizobezelagegegir.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=strike+force+heroes+kitty+3+hacked+slot+machinePDF 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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