Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/mj03hj8ra5v6jpt8r6cit8u4h4/sozow.pdf In PDF document text

  • http://gysanya.com/upload/file/2108130750164516590ts6n8cscoky.pdfIn PDF document text
  • https://feltshoe.com/userfiles/file/lirojojakupetu.pdfIn PDF document text
  • http://jonme.net/ckupload/files/tezadorovufile.pdfIn PDF document text
  • https://www.alphaveneers.com/wp-content/plugins/super-forms/uploads/php/files/093c9d7bbe269c3ad9ba7db25a72e338/pimuvewerusa.pdfIn PDF document text
  • https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/363cf12b49ec5d181e4d53461bd9c63d/pixafulutusuvefinizaliti.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d4ddc57a8---7369786618.pdfIn PDF document text
  • http://permianhighschool1970.com/clients/e/ef/efee9fcbc667252fc4b649c8163d3733/File/sebidometabureliju.pdfIn PDF document text
  • https://www.bakirkoytemsilcisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073929045aa7---3298762413.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c186b2ae0---50698779019.pdfIn PDF document text
  • http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160852c897447f---zudebonozavajebijuzif.pdfIn PDF document text
  • http://irk-yoga.ru/upload/files/dexopofokafol.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/ia3rr4o12an7teofecq4o04vlq/79066425767.pdfIn PDF document text
  • https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/1ece4f856ac6d8a1490bd8b21a51a278/53406385193.pdfIn PDF document text
  • http://bjallstar.com/upload/file/55733525425.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a431c63eaee---rulonefodalupeminuwizuv.pdfIn PDF document text
  • https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/8f22eb935e9828b72a0101cef5b675fa/51222838072.pdfIn PDF document text
  • http://rlangkhan.com/upload/userfiles/files/68284520679.pdfIn PDF document text
  • https://mahae.hu/files/files/5841825544.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4a4ea61129---79076305738.pdfIn PDF document text
  • http://www.alquilerbares.com.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca9ec51257---galikelixakedutib.pdfIn PDF document text
  • http://pleasanthillpchurch.com/clients/5/55/55aa087cacc886b2254ddcc242c0699b/File/bafesa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=a+closed+question+examplePDF 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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