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://rrr71.ru/upload_picture/janatepoxipobuzutemuda.pdf In PDF document text

  • http://ucinnovation.ru/admin/ckfinder/userfiles/files/92030972104.pdfIn PDF document text
  • https://adian.eus/files/galeria/files/32554605320.pdfIn PDF document text
  • http://shinies.ru/img/lib/file/demelajogozodewominufu.pdfIn PDF document text
  • http://toyotarent.kr/FileData/ckfinder/files/20210906_8CB0CD6B85271B60.pdfIn PDF document text
  • http://kaizenlife.com/ckfinder/userfiles/files/60704893836.pdfIn PDF document text
  • http://gesundezellen.com/neu/userfiles/file/51955090417.pdfIn PDF document text
  • http://xn--vb0b83rba554gca.kr/page_data/file/20210908154425.pdfIn PDF document text
  • https://derfo.info/resimler/files/vewutakawawekedefiwusup.pdfIn PDF document text
  • https://ht-cooling-j3t.com/contents/files/disevaxebepotoxoj.pdfIn PDF document text
  • http://vipnjl.com/userfiles/files/59945546744.pdfIn PDF document text
  • http://jmestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/9615419484.pdfIn PDF document text
  • http://biosurfest.com/userfiles/files/jomilusexor.pdfIn PDF document text
  • http://cheapneasytrafficschool.com/CheapNEasyTrafficSchool/pa/trainstation/uploads/image/file/mulorolunojeguk.pdfIn PDF document text
  • http://shoreluxurylimos.com/userfiles/files/80867151730.pdfIn PDF document text
  • https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613222e7c8ee4---85843656802.pdfIn PDF document text
  • https://happen.webasl.com/userfiles/file/59932352927.pdfIn PDF document text
  • http://veoguidecostarica.com/ci/userfiles/files/11677328249.pdfIn PDF document text
  • https://biodent.ro/m4fm_files/m4news/ck-uploads-files/9416800627.pdfIn PDF document text
  • http://stoka-saarlouis.de/userfiles/file/72182856979.pdfIn PDF document text
  • https://pmsp-me.com/userfiles/files/jemeguvigefaluzu.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613012cd46973---82026089443.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/70001958867.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613807666fe34---wapeviwige.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=bagan+keyboard+download+apkPDF link annotation
  • 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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