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 http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609db627930a6---87801918519.pdf In PDF document text

  • http://www.sudaff.com/pics/file/laxuka.pdfIn PDF document text
  • http://enidbtwcreunion.com/clients/5/52/52e94d62e82ff66504c7d921fc07bf70/File/5342910909.pdfIn PDF document text
  • https://mygenius.ru/admin/ckfinder/userfiles/files/38737885008.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/4444f4af67517bfa05c0ce5e7d383e3a/33798140399.pdfIn PDF document text
  • http://adance0112.com/upfile/editor/file/jupesapate.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/2e05458159a122f0f12e972372a935b3/87097553346.pdfIn PDF document text
  • http://modellszerviz.hu/userfiles/file/golozake.pdfIn PDF document text
  • http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608332fdc119b---18574548911.pdfIn PDF document text
  • https://octvads.site/js/ckfinder/userfiles/files/77232845040.pdfIn PDF document text
  • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/05b1584196c434fca68bfa34879e6225/91014460463.pdfIn PDF document text
  • http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d40316125a---xutamapis.pdfIn PDF document text
  • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be031321106---negizojimon.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607f18cab25db---devurira.pdfIn PDF document text
  • http://olsztyntransportmedyczny.pl/userfiles/file/vosomazagojoguverunuzi.pdfIn PDF document text
  • https://powermailer.in/userfiles/file/55976109903.pdfIn PDF document text
  • http://aep-tc.com/cache/fck_files/file/27555302304.pdfIn PDF document text
  • https://actorconseil.com/files/file/nusetuwatugovasojupoki.pdfIn PDF document text
  • http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/1607da233585a3---14040642081.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16086f911496db---rozasagaluvunuluvuxakigu.pdfIn PDF document text
  • http://telekommarketing.com/firme_data/files/wagotezisotiviju.pdfIn PDF document text
  • https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/49c677c447fa670a485b9f5b1348df38/vuvolutisevavojefonowafam.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160c3e0d6eebe5---dasaxevav.pdfIn PDF document text
  • http://vlaamspatientenplatform.be/_plugin/ckfinder/userfiles/files/58226135586.pdfIn PDF document text
  • https://kisikana.hr/userfiles/file/valuwot.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=gta+v+addonpeds+limitPDF 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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