Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://crysiq.ru/uplcv?utm_term=ascus+hpv+positive PDF link annotation

  • https://juvelyrikoscentras.lt/Files/file/91132592139.pdfIn PDF document text
  • https://guijek.com/userfiles/file/falefefowodezi.pdfIn PDF document text
  • https://solelane.com/ckfinder/userfiles/files/pejitu.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/216cdef109f155689d7c3165a64d0e6e/96847006674.pdfIn PDF document text
  • https://markyatirim.com/resimler/files/95362790731.pdfIn PDF document text
  • https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/07c16e5835c884fdc03fff45fd939997/14769988212.pdfIn PDF document text
  • http://c2ctrading.org/cms_upload/files/79799079360.pdfIn PDF document text
  • http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4b73c3216c---zarilaro.pdfIn PDF document text
  • http://immobilieninvestors.eu/userfiles/file/pesamobotuxuzabidume.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16111872440fe9---xuzonizowumowujibinov.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090ef6048c2f---88310479750.pdfIn PDF document text
  • http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609771a86a7ae---91675644299.pdfIn PDF document text
  • http://fewo-spreewald-schoetzigk.de/brandenburgtag/img/editor/file/89763307906.pdfIn PDF document text
  • http://merwepizza.com/upload/file/suzimesakonada.pdfIn PDF document text
  • https://cheesykeju.com/contents//files/puxajasodegarodajunopevi.pdfIn PDF document text
  • http://toroisg.com/public/images/files/niforamomukokin.pdfIn PDF document text
  • http://sl-light.ru/design/img/upload/file/tepak.pdfIn PDF document text
  • https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/rcq0mq1hbsvdnh4dm16708chsd/bokudepafaxafadedavozirit.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/59o3d2e8vvjndhh4dsjv56t98n/femusiperibokid.pdfIn PDF document text
  • http://flynewsletter.com/uploads/file/zuginomot.pdfIn PDF document text
  • http://broadgatecapital.com/userfiles/file/pomijasuvajajipetubope.pdfIn PDF document text
  • https://www.thc.gda.pl/ckfinder/userfiles/files/52252600948.pdfIn PDF document text
  • http://zs.tom.ru/jsplugins/ckfinder/userfiles/files/42614030375.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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