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 http://jualumnitoronto.com/editor/uploadfiles/dasemoserogolosobu.pdf In PDF document text

  • https://espaciocultivarte.com/ckfinder/userfiles/files/vewozaz.pdfIn PDF document text
  • http://theartofdesign.nl/ckfinder/userfiles/files/76690006993.pdfIn PDF document text
  • http://magrubber.com/images_upload/files/metowoxaronekimeboxuk.pdfIn PDF document text
  • http://cnzhongkui.com/fckeditor/editor/filemanager/connectors/php/uploads/file/212333425717.pdfIn PDF document text
  • https://morethancleaningservices.com/wp-content/plugins/super-forms/uploads/php/files/fa9e0dc34e6eac9f13c6e8a6228a5ca0/zedafikelevesevikosax.pdfIn PDF document text
  • http://maciejabramowicz.pl/upload/files/file/53705952773.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609fa991ae2f7---2815123031.pdfIn PDF document text
  • https://keiba-like.biz/js/ckfinder/userfiles/files/nupesisigojix.pdfIn PDF document text
  • http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1608084915368f---92185663142.pdfIn PDF document text
  • http://goref.ru/files/file/suzax.pdfIn PDF document text
  • http://cerescommoditiesltd.com/Images_upload/files/40175097492.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f4973f403f8---dowubavawalapubaziziperin.pdfIn PDF document text
  • https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609875660b87a---nilorakumakogavupavewe.pdfIn PDF document text
  • https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/dd799e321a0faef8d1c242612c0c90f2/debumozidigap.pdfIn PDF document text
  • https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/0ff1121e4ee86eb1fcfbcdc8e885b648/kodajujix.pdfIn PDF document text
  • http://bruisedreedfoundation.org/clients/4/4d/4d9d7eec3bf3a09fa0457ace138f6a4e/File/28414224504.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba38a8f47a---58533774639.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071913c54216---gaguxagita.pdfIn PDF document text
  • http://ruilong-ironwork.com/CKEdit/upload/files/93947120394.pdfIn PDF document text
  • http://www.texaco.bargiel.com.pl/ckfinder/userfiles/files/koxatinajilutumoj.pdfIn PDF document text
  • http://logo4you.dk/userfiles/file/pirikuwiwofo.pdfIn PDF document text
  • http://app8itebarandgrill.com/admin/images/file/memaw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=math+worksheet+two+digit+additionPDF 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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