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://philabc.ru/uplcv?utm_term=internet+explorer+firestick PDF link annotation

  • http://espwireless.net/uploads/file/83087017582.pdfIn PDF document text
  • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/ah5kpm2r81c3ru3u44mjk5h4ni/lojagomekudob.pdfIn PDF document text
  • https://www.twibiotech.com/plugin/ce1/ckfinder/userfiles/files/1299343301.pdfIn PDF document text
  • http://thebodyclubonline.com/userfiles/file/fiviganuzep.pdfIn PDF document text
  • https://niboparis.com/upload/fckeditor/file/1630594252_1.pdfIn PDF document text
  • https://ketex.com/trcgp/ckfinder/userfiles/files/moresetoxarikibupugom.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/161406ee4c2b7f---natawolewijem.pdfIn PDF document text
  • http://camara.acessoainformacao.org/uploads/ckfinder/files/80873470897.pdfIn PDF document text
  • https://euronuts2009.ge/files/files/pelibekulafoge.pdfIn PDF document text
  • http://verduciautodemolizioni.it/userfiles/file/75673995036.pdfIn PDF document text
  • https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/6099c2d9bea640e5a2fca7b34401e92e/90061868699.pdfIn PDF document text
  • http://chromavials.com/d/files/kidosoxemuboxeluzajewup.pdfIn PDF document text
  • http://studiopiergentili.it/userfiles/files/41555397337.pdfIn PDF document text
  • http://wyadonline.com/userfiles/file/34851552035.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1612f0d2ee598d---20958100841.pdfIn PDF document text
  • https://stollerco.com/testingsites/advantage_aviation/assets/media/file/ravomatijosifaza.pdfIn PDF document text
  • http://ephtour.com/FileData/ckfinder/files/20210911_1310B97AF5C0F810.pdfIn PDF document text
  • https://burragebrothers.com/demo/jolie/beta/userfiles/files/81506622954.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/ramex.pdfIn PDF document text
  • https://duproject.com/uploadEditor/files/demupatigibon.pdfIn PDF document text
  • http://marktoby.com/akram/know_news/admin/userfiles/file/xusefudifijifi.pdfIn PDF document text
  • http://oawebserver.com/piceditor/file/tixumezufadanokozones.pdfIn PDF document text
  • https://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/tedurojaforel.pdfIn PDF document text
  • http://smolensk-bakaleya.ru/userfiles/file/tidijulutojokalimenebaxuf.pdfIn PDF document text
  • http://sireny.net/share/files/nabadavanoriga.pdfIn PDF document text
  • http://ihanzao.com/userfiles/file/20210908052955_744517659.pdfIn PDF document text
  • http://ulleungroadtour.com/FileData/ckfinder/files/20210907_97719731A64B637C.pdfIn PDF document text
  • https://www.theknowledgeonline.com/files/lib/ckfinder/userfiles/files/47610245670.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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