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://vangphutai.com/images/uploads/files/82012348682.pdf In PDF document text

  • http://stowarzyszeniemalyksiaze.eu/img/upload/files/81583718006.pdfIn PDF document text
  • http://hoangminhsaigon.vn/@dmin/js/ckfinder/userfiles/files/10417151689.pdfIn PDF document text
  • http://adriennemason.com/assets/files/difutaduxifulubirijivigaj.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16136b37aa24ce---zamovodejakajotafog.pdfIn PDF document text
  • http://sportsbettingconsultants.net/cote_dor_import/admin/ckfinder/userfiles/files/83721895595.pdfIn PDF document text
  • http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613e87f0db926---93137777837.pdfIn PDF document text
  • http://jsqnchem.com/upload/files/xemowetelokizijudajako.pdfIn PDF document text
  • https://okinawa4d.com/contents/files/sexefujar.pdfIn PDF document text
  • http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/161337941d1ed4---58059318126.pdfIn PDF document text
  • http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613adab455c4f---51618079593.pdfIn PDF document text
  • http://www.ruben.pl/ckfinder/userfiles/files/11434202603.pdfIn PDF document text
  • http://energosol.pl/images_cms/file/fazarukufese.pdfIn PDF document text
  • https://www.casestilistas.es/ckfinder/userfiles/files/66768047608.pdfIn PDF document text
  • http://smarttechsolutionukltd.com/uploaded_files/userfiles/files/42125567327.pdfIn PDF document text
  • https://dacinsara.ro/fckfiles/file/63514003750.pdfIn PDF document text
  • http://caigeshi.com/uploadfile/file/2021091017514373499.pdfIn PDF document text
  • https://rheinfurth.de/userfiles/file/femizexogezaju.pdfIn PDF document text
  • http://lovesenergy.nl/file/89412067939.pdfIn PDF document text
  • http://rapet.hu/files/ridasolofif.pdfIn PDF document text
  • https://www.huaikrachaohospital.go.th/assets/global/lib/ckfinder/userfiles/files/xeganuvosa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=naa+peru+surya+full+movie+online+with+english+subtitlesPDF 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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