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 http://avstralianature.ru/ckfinder/userfiles/files/33233538097.pdf In PDF document text

  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160d6826305a41---76489712432.pdfIn PDF document text
  • http://workcoop.org/fckeditor/userimages/file/20210602174322.pdfIn PDF document text
  • http://southeastern61.com/clients/0/07/0748cf78e2268043913ae7c14e09e996/File/51447463822.pdfIn PDF document text
  • http://arqing.es/ckfinder/userfiles/files/jagejowoviwuwabomexefa.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b1227c1a214---78397472364.pdfIn PDF document text
  • http://nadiadsa.org/userfiles/file/datekufukafupesenurix.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/588d6b664dadbcef90ec50547f5a311b/98891485688.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160774b740d1e6---suxeduzeziwi.pdfIn PDF document text
  • https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/53234609ea9293bdb3d6533375e74ec3/xajotosulemuguwixen.pdfIn PDF document text
  • http://fqcycpa.com/jingkelun/userfiles/files/20210617115116.pdfIn PDF document text
  • https://dewalt-naradi.cz/media/upload/editor/file/34348152229.pdfIn PDF document text
  • https://bmat.mn/uploads/ckfinder/files/17355088273.pdfIn PDF document text
  • https://edgecs.com/documents/11395367930.pdfIn PDF document text
  • https://bosingels.nl/ckfinder/userfiles/files/mevelin.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f9e809b302---56501407105.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077bf49769e7---73282198007.pdfIn PDF document text
  • http://analogsys.com/uploaded/file/191989318608af7d8c0e14.pdfIn PDF document text
  • https://mumegram.com/userfiles/file/79985319943.pdfIn PDF document text
  • https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160aa12f822556---totigokigipovuwodeboz.pdfIn PDF document text
  • http://chothuethietbi.info/img/files/54098249999.pdfIn PDF document text
  • https://presentkompaniet.com/img/content/file/levuj.pdfIn PDF document text
  • http://omgmediatank.com/userfiles/files/46740213259.pdfIn PDF document text
  • http://mizuho-co.net/file/ck/files/gofipavasabebajejesexaje.pdfIn PDF document text
  • http://ambulatorioveterinariorigolon.eu/userfiles/files/81406960210.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=rcog+green+top+guidelines+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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