Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/0pek3cr3bud00gptbhkscn82v8/43711507186.pdf In PDF document text

  • https://www.erenang.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086ce2179a0e---likikofe.pdfIn PDF document text
  • https://envida-nieuws.nl/bsb_website/upload_fck/file/sosodegigigurok.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160829102475c2---7343446306.pdfIn PDF document text
  • http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c6a114d2a1---21897664261.pdfIn PDF document text
  • https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/e4dc8acfb9dec3443d229ae193fdec58/26399191719.pdfIn PDF document text
  • http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609458d77749d---35716489422.pdfIn PDF document text
  • http://labotinnghia.com/img/files/fewojegazudelet.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/a8a271a41538cb255442cd3afd9df37f/419830462.pdfIn PDF document text
  • http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/3765669c3532369fce538cd2e72bc9b9/9184662637.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ba8883da329---91591493241.pdfIn PDF document text
  • http://mellorymotors.ru/admin/ckfinder/userfiles/files/15324760030.pdfIn PDF document text
  • http://dnepropress.net/files/file/50901227428.pdfIn PDF document text
  • http://nano-vip.com/ckfinder/userfiles/files/84807694593.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/3236ef95f8c4f35b494a73b7b49260bb/linegimeva.pdfIn PDF document text
  • https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/fdd7cbd85caa7b22f530b86bc147fd95/58692326042.pdfIn PDF document text
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160830b23c2011---tukubopazozo.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160add756f3140---mefupiputepefivi.pdfIn PDF document text
  • http://duetsepolno.pl/userfiles/file/84037015797.pdfIn PDF document text
  • http://enjoy.sk/editor_uploads/system/files/fuwepopowibebonon.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=about+tinikling+dancePDF link annotation
  • https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/b372dbd85d780ed8893c9feeca83fb62/vowiwusu.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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