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://medicare-darmstadt.de/bilder/UserImages/file/masedozabagoduzeporadu.pdf In PDF document text

  • https://rcot.org/userfiles/file/lixerubovovidiwu.pdfIn PDF document text
  • http://www.pattyn360.com/upload/forum/files/mifunupub.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/6c815b3d05ff7a7a4d094a34105c2443/59434779955.pdfIn PDF document text
  • http://grandinhr.eu/images/user/file/76226304650.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f3851b9c93---37543172639.pdfIn PDF document text
  • https://aadhaarretail.com/administrator/imagetemp/file/jajanerubamajul.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/d0ec1f73617bc4bd6573c1c3fdc9aeeb/71427125708.pdfIn PDF document text
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160b33002c02f4---46128844309.pdfIn PDF document text
  • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ae650816af1---sufiruzajalomalefaras.pdfIn PDF document text
  • http://autohondl.cz/userfiles/file/nixexamedibiwibekeposu.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d53a7d57336---pemibijux.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/16093b879bfbce---54056266322.pdfIn PDF document text
  • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/0eb9e704c5aecb7e336091e37527ba79/zafowifijefimuritizimo.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160bcecb7c6d18---84510438425.pdfIn PDF document text
  • http://bbfederico2.net/userfiles/file/moburavidexo.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/v5tkkv1eb3f7rtjt8ovgeinkr0/tokorekazidi.pdfIn PDF document text
  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16080031bc90fe---11505503067.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608610dc64c9a---13519870708.pdfIn PDF document text
  • https://strechybenesov.cz/content/felik.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0188d66d4a---89705630072.pdfIn PDF document text
  • https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/a55ea823b1bcc59329ce0125bc04c048/94295709559.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=mbs+to+bytesPDF link annotation
  • https://lapdonline.org/file/jogagaruzejesovokisad.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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