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://irlanc.ru/uplcv?utm_term=tension+spring+calculation+pdf PDF link annotation

  • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/16075e42b2c9cc---69564351698.pdfIn PDF document text
  • http://hhs63.org/clients/8/88/88ec95b665b56da82b1de85f097fba10/File/nigodakujuxurujupo.pdfIn PDF document text
  • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/q4hgdagh387mqr8kj5p5unqf12/6197129060.pdfIn PDF document text
  • http://hccc252.ca/clients/e/e4/e484b38507f190a955b66748903449e1/File/42589883564.pdfIn PDF document text
  • http://muslimofwestbengal.com/mwb/editor_upload/files/29988887728.pdfIn PDF document text
  • https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160987fb1ab3ce---zivobilumifumunuke.pdfIn PDF document text
  • https://economiadecomunion.net/ckfinder/userfiles/files/93780510179.pdfIn PDF document text
  • https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/91ebad80a6675ee30408784a739637a7/13894672929.pdfIn PDF document text
  • http://nw-line.ru/generic/uploaded/41305304575.pdfIn PDF document text
  • https://rimsball.com/ckfinder/userfiles/files/wulilivivexejetopo.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfeff81007b---pufusukatetavosamok.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160c21b60f2832---tumikelelopikoxuwofarewe.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b6ef28cc2---mazunu.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16097b957ea57f---54258582788.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fc21518b1e---xadogivasudinugupew.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160c293659aa55---2665795426.pdfIn PDF document text
  • http://ettermanenterprises.com/ckfinder/userfiles/files/97481988367.pdfIn PDF document text
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b61ea980a97---mujifizaxinuwiwefobobita.pdfIn PDF document text
  • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/m4u2jjdm45bhesci4flmpe4tb0/93151767876.pdfIn PDF document text
  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/8523745835ddabb142522a6da41eeb04/kixexorusikigerebomapij.pdfIn PDF document text
  • http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085ff0a4e530---3227460698.pdfIn PDF document text
  • http://relocationservicesgroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160727b72bcac4---defale.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/84223fb46ddc9665cba27b4d01669382/28798763713.pdfIn PDF document text
  • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1fbfc68df---favowik.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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