Malicious PDF — malware analysis report

Heuristics 7

• Security software disable instruction high SE_SECURITY_BYPASS
  Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://pistant.ru/uplcv?utm_term=geometry+dash+free+apk+pc PDF link annotation

  • http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/1598498c15f196b51ed46a8546026e91/15011569812.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/16f4d832b371322c99c5e31ac7baae61/xobezikefele.pdfIn PDF document text
  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/kktr4t8aql2jvhf35a6r70tdot/gidetevojulikerije.pdfIn PDF document text
  • https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/6779f37da91b42ea5a220e732aa7d2f5/mutofesiximit.pdfIn PDF document text
  • https://kanat.com/upload/ckfinder/files/bidivitomuzifuxonomiv.pdfIn PDF document text
  • https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160e8f8e53ad4c---fagukexaxoxezinebeni.pdfIn PDF document text
  • https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/862daa4f67bd44cb502983637c3e3dae/xofasubejamobuza.pdfIn PDF document text
  • http://weberstellen.ch/userfiles/file/35488452110.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607921af2f5de---rezige.pdfIn PDF document text
  • https://dongcohonda.com/userfiles/file/85264786539.pdfIn PDF document text
  • https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/8060ca36c917da66b598f2d79148a13e/30421735018.pdfIn PDF document text
  • https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160b89be11e3f6---21395940292.pdfIn PDF document text
  • http://csss77.com/clients/d/df/df7f2fdc42e243c7a03c192a8228c0be/File/35092700073.pdfIn PDF document text
  • http://hankyunget.net/userData/board/file/54928157198.pdfIn PDF document text
  • https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/gopjcfgmdsd6380g36nt1ljlvf/rugutowunepakano.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/a4fovkkspb6oicalkqjj4mh8da/gekiben.pdfIn PDF document text
  • http://nakajima-ya.com/upload/save_image/files/gegiwexenumutezuzafageb.pdfIn PDF document text
  • http://hopkim.vn/upload/files/safitojujid.pdfIn PDF document text
  • http://www.moyekolodin.com/files/34407759240.pdfIn PDF document text
  • http://hanasushi6.com/uploads/files/15534523879.pdfIn PDF document text
  • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/dca4373b3485a0d741690d7a405c3427/31684596071.pdfIn PDF document text
  • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/13b066a6b3fc5d3469783346f9ed14ea/74857261434.pdfIn PDF document text
  • http://szyqjsj.com/UploadFile/file/20210812013032952.pdfIn PDF document text
  • http://rockhouseschool.com/rockhouse/uploads/files/87804295019.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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