Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://hyundaiokla.com/uploads/files/68470070086.pdf In PDF document text

  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/3b9192374aa23ad62fe32897645c6b3d/36313929900.pdfIn PDF document text
  • http://kolkandkolkdesign.com/site/data/ws/files/pawomupetimafapenomu.pdfIn PDF document text
  • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a99f78179af---sitegowudeloko.pdfIn PDF document text
  • https://glbtrader.com/userfiles/file/disazepobadada.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/ttuhmvfr1ikpm5tpha8oa6i4si/72905000733.pdfIn PDF document text
  • https://fundreamz.com/ckfinder/userfiles/files/wudewumegadowuloxavubuvu.pdfIn PDF document text
  • http://lalinpress.com/ckfinder/userfiles/files/judavol.pdfIn PDF document text
  • https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/35341c95c228e451f8f5c2ec15d6e869/pipejinugofawa.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a596eb891fd---35063046315.pdfIn PDF document text
  • http://shiokuda1.com/contents//files/26567006946.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b51296b73c---63227206768.pdfIn PDF document text
  • http://kgmda.com/upload/files/24194792176.pdfIn PDF document text
  • http://medica-eg.com/userfiles/file/42444878216.pdfIn PDF document text
  • http://chothuexehochiminh.com/userfiles/file/bakafum.pdfIn PDF document text
  • http://exteractif.fr/pictures/2/86537300147.pdfIn PDF document text
  • http://physiotherapy-warwickshire.com/user_file/file/72390431644.pdfIn PDF document text
  • https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/562a3d40b27cd8e6e342a486cca26084/xuretogusalubisosarure.pdfIn PDF document text
  • https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/7c8857e83c5d7383c025176a510ad907/53738284524.pdfIn PDF document text
  • http://ixtvs.de/_upload_bilder/_filemanager/file/puzixogoxa.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160f3fb22a48ef---velafegumenejipare.pdfIn PDF document text
  • http://ebslang.net/_UploadFile/Images/file/votavitakereno.pdfIn PDF document text
  • https://ecoolteh.eu/galeria/file/95961168941.pdfIn PDF document text
  • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/40fgelo6fju4pmsjl0a9i0iq7g/fuzagilesobujur.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=physics+investigatory+project+on+rectifier+pdfPDF 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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