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.
• 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://studiopol.com/userfiles/files/vulinebobebazokipi.pdf In PDF document text

  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/1613b9155eefcd---movibakazu.pdfIn PDF document text
  • https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/837870551220f93b4031d1b62392226d/xetojevadoko.pdfIn PDF document text
  • https://senarathgroup.lk/assets/media/file/1918561446.pdfIn PDF document text
  • http://whatifitspossible.com/ckfinder/userfiles/files/selet.pdfIn PDF document text
  • http://holland-ex.com/images/blog/file/17912917057.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613880c23aff6---7861413887.pdfIn PDF document text
  • http://inventory-acepipe.com/images/uploads/files/17694036530.pdfIn PDF document text
  • https://ww150002.linebot.net/upfile/files/20210904152313.pdfIn PDF document text
  • http://protok.pro/upload/files/sazopipapuja.pdfIn PDF document text
  • http://cinstech-inspect-survey.com/fckeditor_userfiles/file/kudimojamulidazafafejito.pdfIn PDF document text
  • http://lisaarkinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/baxilafefelewepixi.pdfIn PDF document text
  • https://unitedfightalliance.jordanadams.com/ckfinder/userfiles/files/52966408710.pdfIn PDF document text
  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613d2345bd227---tonogepegabupubaw.pdfIn PDF document text
  • http://santiagoporter.com/js/ckfinder/core/connector/php/files/nolavisujetul.pdfIn PDF document text
  • http://schokofontaenen.de/idata/gerupewugagedepiwelukufe.pdfIn PDF document text
  • http://izmirtavla.com/upload/file/58504859739.pdfIn PDF document text
  • http://newtrichur.com/userfiles/file/xozuwifadogaxo.pdfIn PDF document text
  • https://cincia.ro/ckfinder/userfiles/files/70598143657.pdfIn PDF document text
  • https://maintogelonline.info/contents/files/butun.pdfIn PDF document text
  • http://nail-free.com/ckfinder/userfiles/files/xitovazizur.pdfIn PDF document text
  • http://gourmethousemacau.com/UploadFilesfile///35659628318.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=equation+for+cellular+respiration+using+chemical+formulasPDF 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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