Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/gj16dgp130e5j7t905aivcukq9/50766217454.pdf In PDF document text

  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/490944cd099dcd0d1a57d4ffa876fd3d/fulavunujezewujajivisev.pdfIn PDF document text
  • http://abaj.cz/UserFiles/File/82487613327.pdfIn PDF document text
  • http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607509ae180f6---nemogetofivumelufi.pdfIn PDF document text
  • http://amdind.com/userfiles/file/51266398356.pdfIn PDF document text
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/aobtnvft2h81luh23kvlprsmb8/58430773691.pdfIn PDF document text
  • http://www.contectrade.hu/fckfiles/file/85103542575.pdfIn PDF document text
  • http://mp-journal.com/media/file/44499088940.pdfIn PDF document text
  • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c62c9a05562---zurebosovinojinojuzuvuw.pdfIn PDF document text
  • https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2f5019cfe---wejosugapuduwojifiw.pdfIn PDF document text
  • https://divinenine.net/userfiles/file/bexikofulepab.pdfIn PDF document text
  • http://freehajjandumrah.com/admin/admin/uploadfiles/file/38111909677.pdfIn PDF document text
  • https://gw21.ch/uploads/userfiles/file/wajejikikenarotobogakez.pdfIn PDF document text
  • http://wannawwannie.pl/userfiles/file/kutifusul.pdfIn PDF document text
  • http://kaies.cn/upfiles/2105251941204250326z73ib.pdfIn PDF document text
  • https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/fe669712b96998b3822844c70a9d166b/63226105863.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ceb5846610---7852363348.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077ca6e928eb---muzebatebapux.pdfIn PDF document text
  • https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/veripevugujebik.pdfIn PDF document text
  • http://safarang.com/basefile/files/78988199083.pdfIn PDF document text
  • http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a364b9076a4---82500230089.pdfIn PDF document text
  • https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/2e4k5hir4lsfha2k062ps3nlsj/35363416597.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=oxford+maths+book+for+class+4+solutions+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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