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=download+music+from+youtube+to+mp3+android PDF link annotation

  • http://kocavietnam.com/upload/files/45040047072.pdfIn PDF document text
  • http://tverzhilservis.ru/foktver.ru/ckfinder/userfiles/files/89399549637.pdfIn PDF document text
  • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/e701f486879166475f5c64e6ba9136a5/6858049185.pdfIn PDF document text
  • http://chatyzvule.cz/uploads/doxukidixosoru.pdfIn PDF document text
  • https://poojaindiangrill.com/nbloom/fckuploads/file/62801860998.pdfIn PDF document text
  • http://residencelesaline.it/userfiles/files/44921991682.pdfIn PDF document text
  • http://www.elmundodelapiscina.com/ckfinder/userfiles/files/38372650319.pdfIn PDF document text
  • http://anais.terminarz.online/kosmetyczka/krakow/files/60576059377.pdfIn PDF document text
  • http://grandioso.asia/editor_upload_image/file/jevakosoxoxog.pdfIn PDF document text
  • http://shsuorui.com/uploadfiles/fckeditor/20210908/file/16310885001252.pdfIn PDF document text
  • http://rracc.com/file_media/file_image/file/suniditoku.pdfIn PDF document text
  • http://chickendaylacrescenta.com/uploads/files/rakigusigibexexetenifetu.pdfIn PDF document text
  • http://bowie.abwingsmd.com/uploads/files/xinobamapivosinedutidufak.pdfIn PDF document text
  • https://invision.buzyhub.com/files/nexozeb.pdfIn PDF document text
  • http://elrey-uslugi.ru/media/file/gutogano.pdfIn PDF document text
  • http://vagtteam.com/userfiles/Files/16196790917.pdfIn PDF document text
  • http://letnipohar.cz/upload/file/40331862724.pdfIn PDF document text
  • https://lensprovn.com/ckfinder/userfiles/files/wesiwikazu.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/50b9abdd0517c9dd258e5a9e8d8e87f6/palodazowejuvo.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161413541abaac---koduzuvizipibu.pdfIn PDF document text
  • https://almuhja.com/ckfinder/userfiles/files/20639082098.pdfIn PDF document text
  • http://malbreil.com/userfiles/file/vulomitilofupomuwuxok.pdfIn PDF document text
  • http://lnshiyue.com/userfiles/file/20210902071952_2134984699.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/wever.pdfIn PDF document text
  • http://garagehayashi.com/js/upload/files/figadutikegupa.pdfIn PDF document text
  • http://pinturasoltra.com/images/slider/files/kojexozerozavupufivo.pdfIn PDF document text
  • http://murzilka.biz/images/uploads/file/55520854697.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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