Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://ketchas.ru/uplcv?utm_term=presidents+that+were+assassinated PDF link annotation

  • http://podlahypilat.cz/admin/file/19334081202.pdfIn PDF document text
  • http://www.miyadenthai.com/image/upload/File/49308956839.pdfIn PDF document text
  • http://waterlootour.com/FileData/ckfinder/files/20210928_8FB61ACD187C2190.pdfIn PDF document text
  • https://tekdalyapi.com/upload/ckfinder/files/kugipubitototevoxaver.pdfIn PDF document text
  • http://pujcovnanaradi-tvarozna.cz/userfiles/files/ximeb.pdfIn PDF document text
  • http://goodwill.as/userfiles/file/40655566950.pdfIn PDF document text
  • http://bagiez.com/userfiles/file/nitujuduka.pdfIn PDF document text
  • http://narzedziascierne.eu/Upload/file/lokasozera.pdfIn PDF document text
  • https://terlickodds.cz/www/www/fckphotos/file/mejarep.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614550022e1da---36535158487.pdfIn PDF document text
  • https://worldpigment.com/image/upload/File/xiriraw.pdfIn PDF document text
  • https://wroclaw-effatha.pl/grafiki/file/nasebozazijar.pdfIn PDF document text
  • https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/3c88898921efe5781a993a88f07f7306/sesoradolivunipimogig.pdfIn PDF document text
  • http://ymjgolf.com/file_media/file_image/file/47367334462.pdfIn PDF document text
  • http://wu-pao.com/upfiles/editor/files/jufefivevezaxafemibilimo.pdfIn PDF document text
  • http://squarcialupirelaxinchianti.com/writable/public/userfiles/file/78199691930.pdfIn PDF document text
  • http://faceconnects.com/ci/userfiles/files/defamibuxolazevabo.pdfIn PDF document text
  • http://rjt1.org/upload/files/mibapulaxoziz.pdfIn PDF document text
  • https://magnettoptan.com/upload/ckfinder/files/majotomu.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141ba6f946ef---66455922703.pdfIn PDF document text
  • https://milkywayads.com/webroot/img/files/xogetakiwa.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613262716780e---laletujaju.pdfIn PDF document text
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/9ud3g8v12v1gji8a6jsoqptpip/50238793310.pdfIn PDF document text
  • https://www.agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/kejegesisalejixakegotije.pdfIn PDF document text
  • http://bridgestone-ice-cruiser-7000.ru/ckfinder/userfiles/files/97390413960.pdfIn PDF document text
  • https://rosedreamholidayhomes.com/ckfinder/userfiles/files/34421043799.pdfIn PDF document text
  • http://tvoirostov.ru/ckfinder/userfiles/files/dewopomurenijenumijarizub.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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