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://drafthe.ru/uplcv?utm_term=chs+class+9+solved+paper+2018+pdf PDF link annotation

  • http://lhsclassof77.com/clients/34792/File/sudekize.pdfIn PDF document text
  • http://cobe-ing.it/userfiles/files/16060635956.pdfIn PDF document text
  • http://commune-bourre.com/userfiles/file/58835581845.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160e0434c5da4e---94118710788.pdfIn PDF document text
  • http://firewheels.pe/userfiles/file/14574349765.pdfIn PDF document text
  • http://mousike.it/img_ins/files/jidivolozewuxaza.pdfIn PDF document text
  • http://k-yoga.org/file_upload/spaw_upload/file/20210718093138.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/a1698f947150a94a327e368948eb8ca5/gusimedofaguvalubaxirepoz.pdfIn PDF document text
  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/c0f45d39843ebf41e13e64b962b253d1/gufij.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dee732c7aae---8116420465.pdfIn PDF document text
  • https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/4gu37c4v9dfv1tkt19vkguie8d/gitevezudijunofu.pdfIn PDF document text
  • http://darienhighschool1961.com/clients/6/6a/6a5b14ca9cca6c9c7811e238b5dc87af/File/70981743213.pdfIn PDF document text
  • http://lorichphoto.com/pictures/file/2584813525.pdfIn PDF document text
  • https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/adqoei9k7hai1nv5olgjb0o895/9469597796.pdfIn PDF document text
  • https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/lddvn1u7havu91f3hild99vvbt/28081015589.pdfIn PDF document text
  • http://fields-on-earth.com/xepenenuweniguxazosupen.pdfIn PDF document text
  • https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/706c75fc24145fa9fd03f0c48f2223d4/jaruzinoridixogajap.pdfIn PDF document text
  • http://playbabydoll.com/userfiles/file/lilujemigazete.pdfIn PDF document text
  • http://pascalparrot.com/uploads/assets/file/tesanejinudupavunoso.pdfIn PDF document text
  • https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/0c4fc9764a767c208167d5b7ebd5266d/sajokatil.pdfIn PDF document text
  • http://dlt-nkp.com/fileupload//file/tobamirosibotexoxif.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/f1c551d9070435aaa01c46c200a3040a/zajerak.pdfIn PDF document text
  • http://orchid-daikanyama.com/userfiles/file/bazugazu.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/387b8404bbc04f594898da78ea535be3/nivusuni.pdfIn PDF document text
  • http://chandravanshi.com/userfiles/file/70662830489.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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