Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://coretry.ru/uplcv?utm_term=new+heinemann+maths+year+4+pdf PDF link annotation

  • https://www.creativetalentnetwork.com/ckfinder/userfiles/files/2510581215.pdfIn PDF document text
  • http://ed-web.cz/userfilesfile/67916945567.pdfIn PDF document text
  • https://akrmedia.no/ckfinder/userfiles/files/58353756393.pdfIn PDF document text
  • https://rowadalbyt.com/userfiles/files/ruxutipenanopiw.pdfIn PDF document text
  • http://exima.kr/userData/board/file/51486480990.pdfIn PDF document text
  • http://amandatour.ru/js/ckfinder/userfiles/files/mulitowexaminubemuvol.pdfIn PDF document text
  • http://ncfc.com.tr/ckfinder/userfiles/files/85254358046.pdfIn PDF document text
  • http://keyday.ru/files/files/gelunona.pdfIn PDF document text
  • http://sunway.me/ROOT_PATHuploads/file/061906482476.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161315f9e41068---43385925637.pdfIn PDF document text
  • https://cissud.it/uploads/ck_editor/files/86589836144.pdfIn PDF document text
  • http://dsagco.com/Upload/file/noberokalanililapoxe.pdfIn PDF document text
  • https://360clothing.in/home/www360cl/public_html/uploads/images/files/25020247800.pdfIn PDF document text
  • https://alohasafaris.com/files/17633760425.pdfIn PDF document text
  • http://worldplastsolution.com/ckfinder/userfiles/files/tebuj.pdfIn PDF document text
  • http://reylab.com/userfiles/file/rujezolox.pdfIn PDF document text
  • https://parkettworld.com/upload/files/48621049908.pdfIn PDF document text
  • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16135bda23ec46---34848604498.pdfIn PDF document text
  • https://reitinguok.lt/userfiles/file/68021270832.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612f3204688c9---32968262765.pdfIn PDF document text
  • http://dochoiotovn.com/uploads/userfiles/file/jupovizot.pdfIn PDF document text
  • http://okfilm.kr/userData/board/file/63701839700.pdfIn PDF document text
  • https://yaslibakicisi.net/userfiles/file/muginunorozi.pdfIn PDF document text
  • http://sz-nuoyi.com/Upload/file/2021090205124898740.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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