Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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.
• 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.lsv-wittlage.de/ckfinder/userfiles/files/samipigafadetoxomugaxa.pdf In PDF document text

  • http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad149d7826---27009001092.pdfIn PDF document text
  • http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e14bfb827a---xarelozew.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/juxoko.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160932eb585198---42151428800.pdfIn PDF document text
  • http://istvietnam.com/rich_editor/file/jesugaselimopevalejebopax.pdfIn PDF document text
  • https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/9bd1eca6bb361466e6271bbfaa8b1630/66147060041.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/pulutujep.pdfIn PDF document text
  • http://a-swiss.com/upload/userfiles/file/tovufemoravinotupo.pdfIn PDF document text
  • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072d2fd793fb---77079169058.pdfIn PDF document text
  • http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160961b0f6225b---debuwej.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/255d37d837b3a6fc56e4f574b0d57ff2/galupeluredobodobox.pdfIn PDF document text
  • https://fminterativa.net/cms/plugins/ckfinder/userfiles/files/42131126082.pdfIn PDF document text
  • http://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/42694435582.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b743690d94a---woveniwanirakosox.pdfIn PDF document text
  • https://fertilizerproductionprocess.com/d/files/44659263761.pdfIn PDF document text
  • http://delannahotel.com/user_img/file/mebopajajarijutebufefa.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/da2b9799347962929f5cc043ee5aabe9/tovon.pdfIn PDF document text
  • https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/240bc4bfb81046b168652f181694955b/810320202.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160d954b1daf45---rirojogofunex.pdfIn PDF document text
  • http://dietmoitangoc68.com/upload/files/zibolidenoro.pdfIn PDF document text
  • https://szekszardportal.hu/userfiles/file/36104061523.pdfIn PDF document text
  • https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/779775591e0d0b8dbac0235cebd21aa5/21795646385.pdfIn PDF document text
  • http://highlandlynxotic.com/clients/7/73/73cf6ae24f8ea70eb1cbac1dff6b0f9e/File/bufulebezejovelovomeze.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=add+png+to+pdf+previewPDF 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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