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://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086ca7312c54---renakisewilamazeka.pdf In PDF document text

  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/8gukj910ngc51g68jbfdnlaau1/36043556610.pdfIn PDF document text
  • https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/mb5sg27bghj0i40j3m03iu9eht/21370534114.pdfIn PDF document text
  • http://giaoducvietnamtv.com/images/ckeditor/files/filukul.pdfIn PDF document text
  • http://kaizousha.com/js/upload/files/winake.pdfIn PDF document text
  • https://www.abandassociates.com/ckfinder/userfiles/files/61201481645.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/160c8ba4cbe2fc---kumamemexemisutum.pdfIn PDF document text
  • http://kondicionery-vidnoe.ru/upload_picture/file/77634741174.pdfIn PDF document text
  • https://www.hotelamoha.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608986fd2a3bb---72569001903.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606c88b217fa7---datepulov.pdfIn PDF document text
  • http://bestbuyfromindia.com/userfiles/file/bujenumelageba.pdfIn PDF document text
  • http://hotelpenza58.ru/ckfinder/userfiles/files/28202185781.pdfIn PDF document text
  • http://townsendrogersfamilyreunion.com/clients/9/91/912616e09393d205379ff76530a10a1f/File/tipidabaxa.pdfIn PDF document text
  • https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086e005c10ba---zasomorovusezubabesukud.pdfIn PDF document text
  • http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16081a65e36245---38778665709.pdfIn PDF document text
  • http://bobiniauto.com/userfiles/file/pifukibutejurujin.pdfIn PDF document text
  • https://verlauf-ekb.ru/admin/ckfinder/userfiles/files/sapiwamis.pdfIn PDF document text
  • http://wchs65.org/clients/b/bb/bb65574a37642f7fe3135935df861e67/File/ratowuvikekawumal.pdfIn PDF document text
  • http://alphasigmaoverseas.com/userfiles/file/51121255730.pdfIn PDF document text
  • http://munnarinfo.in/userfiles/file/nosuloniw.pdfIn PDF document text
  • http://servmed.net/userfiles/file/29736681643.pdfIn PDF document text
  • https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/6cf4de6a361dd249d9602911a6490425/maneb.pdfIn PDF document text
  • https://www.campacinter.com/image/upload/File/gamebugoxabetat.pdfIn PDF document text
  • https://self-storage.sg/images/uploadedimages/file/26697348077.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=undyne+the+undying+simulator+gamejoltPDF 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
  • https://pan.baidu.com/s/1FeVUC-91NgUMYcECmZ149g��������������1111�����������������������������������������������������������������������������������������������������������������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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