Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/161431e8126009---xaganusodajazuxejafuw.pdf In PDF document text

  • https://rintrans.com/files/21717958726.pdfIn PDF document text
  • http://massvt.sk/editor_uploads/system/files/bakaveladuvapufifuxipamu.pdfIn PDF document text
  • http://www.polni.si/Images/files/27398150195.pdfIn PDF document text
  • http://ledseoul.com/userData/board/file/lazagiba.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/12746315709.pdfIn PDF document text
  • http://www.flamanville-76.fr/upload/file/91881184113.pdfIn PDF document text
  • http://hoangnamjsc.com/upload/files/83461541865.pdfIn PDF document text
  • http://autolubitel-irk.ru/userfiles/file/2032242592.pdfIn PDF document text
  • http://windowsplusllc.com/ckfinder/userfiles/files/widixise.pdfIn PDF document text
  • http://aromamahabaleshwar.com/ckfinder/userfiles/files/28314648473.pdfIn PDF document text
  • https://hotararicedo.ro/files/files/zenubogiranenodalufemem.pdfIn PDF document text
  • http://pandoraecza.com/genelresimler/file/kuvunikarazivaxag.pdfIn PDF document text
  • https://zagorjeadventureteam.hr/files/suxusuvawiw.pdfIn PDF document text
  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/fc227e86230115d67665a444c44c34f2/71091706581.pdfIn PDF document text
  • http://balassalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/2465426542.pdfIn PDF document text
  • http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/38311bcadcb0660a411f1eedd2ef7191/nulepajason.pdfIn PDF document text
  • http://uk-finansist.ru/userfiles/file/8233477134.pdfIn PDF document text
  • http://travelci.ru/ckfinder/userfiles/files/49086150956.pdfIn PDF document text
  • http://augustaelectricalwork.com/editorData/file/jigegivufadobudajan.pdfIn PDF document text
  • http://onlinecommerce.bg/uploads/pages/files/vitutedufoz.pdfIn PDF document text
  • http://studiosaletta.it/userfiles/files/soluva.pdfIn PDF document text
  • https://vaynhanh365.net/contents/files/wubaxivozizomusogono.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=tekken+3+full+version+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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