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://infrive.ru/uplcv?utm_term=sura+books+for+10th+free+download+pdf PDF link annotation

  • https://burgaseguros.com/userfiles/file/56863809296.pdfIn PDF document text
  • https://wecareu.net/ckfinder/userfiles/files/34257721717.pdfIn PDF document text
  • https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/e9b26aa3e9a5e92da0b48e77250b2785/47087391985.pdfIn PDF document text
  • http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608c380e4f5e0---zelanopar.pdfIn PDF document text
  • http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/iu0317l730vb470nmlb2pfk4a7/gaxil.pdfIn PDF document text
  • http://ranahytta.com/ckfinder/userfiles/files/defuzujanonibux.pdfIn PDF document text
  • http://uat2.hkha.com.hk/ckfinder/userfiles/files/92563903352.pdfIn PDF document text
  • http://acecaalcoy.com/userfiles/file/28496385246.pdfIn PDF document text
  • http://bige.vn/uploads/userfiles/file/38041835676.pdfIn PDF document text
  • http://avondale61.com/clients/e/e2/e25739fb73bf6f2fbed92e75d980d6c5/File/42223614517.pdfIn PDF document text
  • https://peterdegendt.be/file/xatexoferafaburatab.pdfIn PDF document text
  • http://morard-mcf.fr/data/Files/59764532509.pdfIn PDF document text
  • http://heritagecarletonplace.com/clients/c/c2/c23aa4fb54f25340752d20cfcff880b2/File/fifab.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1611312d5f2c86---bikakodu.pdfIn PDF document text
  • https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/9afafdde9e1339648791c8d36704ede4/xevol.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160bad1043793e---22156460694.pdfIn PDF document text
  • https://dakhoathienhoa.net/images/files/57121497158.pdfIn PDF document text
  • https://khachsan295doson.vn/namthuan/images/news/files/32322834785.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/t7dqfjhnnbnf6bss42ufkqq9t5/66827711052.pdfIn PDF document text
  • https://mattress-leader.com/media/3370413657.pdfIn PDF document text
  • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/vgfhv9ep2hbfshfnrp7lgoh5vl/vebibasubekodibizobe.pdfIn PDF document text
  • http://learningkey.org/userfiles/99464547330.pdfIn PDF document text
  • http://myslizdrave.com/soubory/zezomileviwopalo.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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