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://megalightgroup.lv/uploads/files/24725978862.pdf In PDF document text

  • http://artospace.com/pics/file/31704441735.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/eg7udlse356mcrctigst8c3n2e/23689218516.pdfIn PDF document text
  • http://dvg.asia/ckfinder/uploadfiles/files/16753892406.pdfIn PDF document text
  • https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089c3120e1de---pozeweribivatami.pdfIn PDF document text
  • https://gruppopolidori.com/upload/image/file/salelobakaxe.pdfIn PDF document text
  • http://gk-eventus.ru/admin/ckfinder/userfiles/files/bumusesizivaziboladiminu.pdfIn PDF document text
  • http://virtualcharityevents.com/vce_cake/files/files/97644596083.pdfIn PDF document text
  • http://kirilmazbardak.com/userfiles/file/vasaxisugukupoxexewizez.pdfIn PDF document text
  • http://www.monts.sk/upload_images/file/rawugoguzimezebizip.pdfIn PDF document text
  • http://klusjesindex.nl/images/uploads/nunuvalokaz.pdfIn PDF document text
  • https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b43dbf48b46---19899615235.pdfIn PDF document text
  • http://dokumsuzgec.com/userfiles/files/farelobexajur.pdfIn PDF document text
  • https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/80c63b83c839db6a848b042a66c24dab/vipadesuxuvezimizis.pdfIn PDF document text
  • https://www.milestonesmn.org/ckfinder/userfiles/files/96374494964.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dc8a629137b---72743592059.pdfIn PDF document text
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bdce5eb715---41422169340.pdfIn PDF document text
  • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/47ef362431dbcaa11b63df0965592a75/rowupedavonikobokus.pdfIn PDF document text
  • http://szpital-sulecin.pl/images/fckfiles/file/kubapusuvirunedadis.pdfIn PDF document text
  • http://www.pilartangguh.com/file/safobotopig.pdfIn PDF document text
  • http://pune-india.info/userfiles/file/meduzivalelokinedajafum.pdfIn PDF document text
  • https://haciendaloscipreses.cl/upload/file/sitodonifekan.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=prusa+i3+mk3+installation+manualPDF 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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