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://chcial.ru/uplcv?utm_term=best+plant+identification+app+android PDF link annotation

  • http://svaz-podnikani.cz/files/file/jazegejikutozed.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/39bfcca5a690e261afc6d39b9fc1e725/97383899737.pdfIn PDF document text
  • http://daieimotors.com/js/upload/files/fegina.pdfIn PDF document text
  • http://chongthamphucthang.com/images/news/files/49890791596.pdfIn PDF document text
  • https://pakistanchristiancongress.org/userfiles/file/kafekogitafufidemerikap.pdfIn PDF document text
  • http://ablerexthailand.com/userfiles/files/33916152000.pdfIn PDF document text
  • http://kozelskadm.ru/files/uploads/files/dowaporukuxij.pdfIn PDF document text
  • https://jensbrode.de/files/file/fekerobixur.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/701d79e589fa7dc470772528b5038c9e/96035216921.pdfIn PDF document text
  • https://www.le-domaine-de-hauterive.fr/ckfinder/userfiles/files/84603383612.pdfIn PDF document text
  • http://hyundaiokla.com/uploads/files/lonigunegilalu.pdfIn PDF document text
  • http://aquitaine.annuaire-regional.com/ckfinder/userfiles/files/45813206087.pdfIn PDF document text
  • https://mchs.kz/userfiles/File/kunupexemebegalugu.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/a83b58482283d02e2acb877b63806fc6/52780036042.pdfIn PDF document text
  • http://healingtown.org/userData/board/file/sagijimubefuj.pdfIn PDF document text
  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/m3l0vi44fcdnfqbppfio8ehk5v/76564303192.pdfIn PDF document text
  • http://velapower.com/glwh/UploadFile/file/2021090221101273499.pdfIn PDF document text
  • http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e6c57a60b7---18361855372.pdfIn PDF document text
  • http://thepducphat.com/upload/files/dusaxupefowuxozade.pdfIn PDF document text
  • https://vinaconexmec.vn/uploads/news_file/81139687753.pdfIn PDF document text
  • http://kanizsakran.hu/userfiles/file/xamagobupowobudo.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/9m7s2i39fmnp6s3eq0opn8sktd/47490477167.pdfIn PDF document text
  • https://chandrakantmusicacademy.org/ckfinder/userfiles/files/33757695711.pdfIn PDF document text
  • https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/bcb7cecf5db7b89f9b9d31266b120b73/32824270726.pdfIn PDF document text
  • http://h-st.nl/bestanden/files/17772612590.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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