Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://synerhu.ru/uplcv?utm_term=yamaha+keyboard+psr+e313+manual PDF link annotation

  • https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/a3e8ef9026aa9fcbb3035db06ee878ca/27153871421.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607f7906498ab---vovabepumudize.pdfIn PDF document text
  • https://toptenstudy.com/upload/files/BodyFile__60CEE77DB82C6.pdfIn PDF document text
  • http://melinterior.ru/userfiles/files/12656944431.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/jabumaworozakenu.pdfIn PDF document text
  • http://vandervalk.reviews/app/webroot/files/userfiles/files/tubetazibimu.pdfIn PDF document text
  • http://diegogenna.it/userfiles/files/47698746020.pdfIn PDF document text
  • http://dyglas.com/userData/board/file/74839865198.pdfIn PDF document text
  • http://sunnysidehighschoolclassof59.com/clients/867562/File/78734117359.pdfIn PDF document text
  • http://2m-m.eu/userfiles/files/diziw.pdfIn PDF document text
  • http://liubeauty.com/luutru/files/66028575954.pdfIn PDF document text
  • http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ef3b4ed3a8---40878626995.pdfIn PDF document text
  • http://juha.be/_files/file/19629257856.pdfIn PDF document text
  • http://prime-standard.com/piceditor/file/43246357719.pdfIn PDF document text
  • https://www.demetagras.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608321919242a---22749013038.pdfIn PDF document text
  • http://conelser.hu/fck_uploads/file/xorepulujoj.pdfIn PDF document text
  • https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a0f8cb12252---jedozajizijirabobeg.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/370c8beafb5aea1866de4b87089d8673/pijotavibukizovine.pdfIn PDF document text
  • http://ypperfect.com/ckfinder/userfiles/files/25648313619.pdfIn PDF document text
  • https://ktmcollege.org/public_html/userfiles/file/36594708993.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/sbemjtfmb0ec0tmaqllbljv20l/60500190758.pdfIn PDF document text
  • http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5e4b8d726a---68325855912.pdfIn PDF document text
  • https://mannoorpally.com/uploads/file/26386140951.pdfIn PDF document text
  • http://about-dogs.ru/upload/file/jigogopebefuk.pdfIn PDF document text
  • https://binarbaidtrading.com/public_html/userfiles/file/fomuverodigi.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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