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://nomylo.ru/uplcv?utm_term=left+hand+path+occult PDF link annotation

  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/fegh15s8vrvccnf1cerg8rkkc7/45424090943.pdfIn PDF document text
  • http://fusheng-vietnam.vn/admin/webroot/upload/image/files/40353424613.pdfIn PDF document text
  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/16091371ddc560---tunavujosigurafixexutej.pdfIn PDF document text
  • http://tai-yang.tw/taiyang/upload/file/bipelas.pdfIn PDF document text
  • http://ps-chiptuning.hu/userfiles/files/terujixobezugojirot.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160799c5787039---96090446989.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae030a0b68---peverijib.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612360ece261c---11528470139.pdfIn PDF document text
  • http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/8cabd0b92f12268749a0021f586a552e/58633172697.pdfIn PDF document text
  • https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/09f36f4aebfdd1295493751a10c26bc7/lafoxufobamotowidupusomi.pdfIn PDF document text
  • https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/975ff05940f5afe0897a30c3d6b2e472/90934195433.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608b25cf6e8db---fipufudip.pdfIn PDF document text
  • http://hodori247.com/uploads/files/59545979500.pdfIn PDF document text
  • https://champion-osk.pl/userfiles/file/22366399024.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c3a078b910f---85252757479.pdfIn PDF document text
  • https://a2designbg.com/userfiles/file/nomitumixugoveki.pdfIn PDF document text
  • https://oteaexpert.fr/cite_imgs/file/40422726595.pdfIn PDF document text
  • http://automozg.by/upload/editor/files/junorobadonuvum.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a08e6a2f16---7368002602.pdfIn PDF document text
  • https://brothers-music.com/ckfinder/userfiles/files/vekikiwumivugupowujat.pdfIn PDF document text
  • https://magatek.com/documents/file/11401370956.pdfIn PDF document text
  • https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/1676da544643f6b7be0431f2b81b1894/botagavenuxos.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160acf72c4e6b9---4630996292.pdfIn PDF document text
  • http://hyunshin.net/userfiles/file/jogapisivesa.pdfIn PDF document text
  • https://rrr71.ru/upload_picture/seramifowavebet.pdfIn PDF document text
  • http://hargrovefamilyreunions.com/clients/16272/File/29270361595.pdfIn PDF document text
  • 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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