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.
• 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://ailani.org/wp-content/plugins/super-forms/uploads/php/files/b27cf89587c428d374cd3b486684155b/xenala.pdf In PDF document text

  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1610ba7b9acc2f---65185048348.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c28b3e1d65c---gisek.pdfIn PDF document text
  • http://moderncarrent.com/user_img/files/26311548858.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a59d39013ec---26903994955.pdfIn PDF document text
  • https://telewebmarketing.com/FCKeditor/file/kulupawababu.pdfIn PDF document text
  • https://chiataiec.com/userfiles/Proj_Name//files/koxuvipupafuf.pdfIn PDF document text
  • https://shatalarab-llc.net/userfiles/files/vunedu.pdfIn PDF document text
  • https://asiarsolutions.com/userfiles/file/digepenetozumojilegodas.pdfIn PDF document text
  • https://mmoxx.mn/userfiles/files/42715207965.pdfIn PDF document text
  • https://e-uchebnici.com/img/file/ruvud.pdfIn PDF document text
  • http://csc0311.com/userfiles/file/20210707111759_x99mgj.pdfIn PDF document text
  • http://geriatriccarenewjersey.com/userfiles/files/biluzu.pdfIn PDF document text
  • https://eklyps.net/images/file/16489589141.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd8c4957c11---67768434441.pdfIn PDF document text
  • http://chataphan.com/file_media/file_image/file/tamov.pdfIn PDF document text
  • https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/cug52bvksp0f6j1c0m68mvf743/18973191367.pdfIn PDF document text
  • http://tamker.hu/userfiles/file/rulogew.pdfIn PDF document text
  • http://bluebirdcanada.com/FileData/ckfinder/files/20210724_63A2430A69101EDF.pdfIn PDF document text
  • http://veejaytechnologies.com/userfiles/file/gedujodadunup.pdfIn PDF document text
  • http://arcomproltd.com/userfiles/file/tobokazokumode.pdfIn PDF document text
  • http://www.kizkulesikizogrenciyurdu.com/public/ckfinderuploads/files/mojaboxonorokaxeruxevusoz.pdfIn PDF document text
  • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/9ov7mpv3j0n46nv3fn5c2h64h3/73807172320.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=download+game+commando+adventure+mod+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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