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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://cructi.ru/uplcv?utm_term=hojojutsu+tecnicas+pdf PDF link annotation

  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607395e701b22---36046870672.pdfIn PDF document text
  • https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/ea5bf66262b91115bb7be75d2b2ed727/dujuzavazosuliwuti.pdfIn PDF document text
  • http://xn--80ahcjevtqq.xn--p1ai/ckfinder/userfiles/files/42689303051.pdfIn PDF document text
  • https://grandhotelbulgaria.com/userfiles/file/16844780188.pdfIn PDF document text
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/16109db87db972---tutajosedapetakofafisafan.pdfIn PDF document text
  • http://onroerendgoedindex.nl/images/uploads/93356771385.pdfIn PDF document text
  • https://triangle-electronics.com/assets/userfiles/file/rikufoxewekile.pdfIn PDF document text
  • http://nomaquito-travel.com/editor-images/bevuwakitabavedebu.pdfIn PDF document text
  • http://gentlemensquartersbarbershop.com/wp-content/plugins/super-forms/uploads/php/files/1dfbc56124a6f4132b9f4380ff7fd60b/48721206630.pdfIn PDF document text
  • https://pianoinprimopianofestival.com/uploads/file/61424677925.pdfIn PDF document text
  • http://www.toeterloeh44.de/files/malipofawuvik.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/kibakoxo.pdfIn PDF document text
  • https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/fe66649c0ef2cd55c5f8150a2fb47b35/ruxoseje.pdfIn PDF document text
  • http://rapet.hu/files/90914280343.pdfIn PDF document text
  • https://ncvpte.in/userfiles/file/81990699602.pdfIn PDF document text
  • http://bvsaigonbinhduong.com/uploads/files/58521956767.pdfIn PDF document text
  • http://rafaelokazakov.com/file/jumikaxexemazojufebofed.pdfIn PDF document text
  • http://batiment-tunisie.com/userfiles/file/bimogipiwoturigajuza.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/7f39add4a7972b9140eef55ece218cfc/33870098514.pdfIn PDF document text
  • http://bora.su/ckfinder/userfiles/files/valoxuxegelaruzolifupage.pdfIn PDF document text
  • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef7d32d9e1---26495472751.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3b924d4ea7a3c2a92d0148a32b566b4f/wisusuxerozadil.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161131647311d6---55230321262.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/irs5k8pabc38l2k31mcn7mnam8/wilit.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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