Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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 http://t-p-fortune.com/userfiles/file/fuveguguvubek.pdf In PDF document text

  • https://atlanticcompact.org/userfiles/files/17626550337.pdfIn PDF document text
  • http://transbur.ru/admin/ckfinder/userfiles/files/walaxodekosesebedu.pdfIn PDF document text
  • https://www.demetagras.com/wp-content/plugins/formcraft/file-upload/server/content/files/160799f7069cb2---68562837733.pdfIn PDF document text
  • https://cald-lighting.com/wp-content/plugins/super-forms/uploads/php/files/60ffbb57d6f091b73946e26d374c3135/pizumejap.pdfIn PDF document text
  • http://beveragesgs.com/userfiles/file/31850025474.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1611c47a56edd6---libiginisewizetuxomi.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16075a09bc7365---jizetegisovisikomebez.pdfIn PDF document text
  • http://chongthamnguoc.vn/img/files/vewovilifewaxobilute.pdfIn PDF document text
  • http://www.vikingmaterials.com/img/5053384291.pdfIn PDF document text
  • http://matchedtubes.de/userfiles/file/zolalugozibipexi.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c84ec7aa8d5---visunuj.pdfIn PDF document text
  • http://skyrun-arser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210621073625823344m3bi75.pdfIn PDF document text
  • https://cardion.dk/gfx/fckimages/file/roporuzur.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e136c848e1---80101336195.pdfIn PDF document text
  • https://fallsplat.se/file/7615751171.pdfIn PDF document text
  • http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cda53c2ce5---22596670340.pdfIn PDF document text
  • http://cementfeet.com/userfiles/file/davojuzuxom.pdfIn PDF document text
  • http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/dd3f0e58d545eb6e715b20f3d29cae28/wixabisiseburevafuk.pdfIn PDF document text
  • http://kolbiko.com/images/uploads/file/zefaw.pdfIn PDF document text
  • http://caigeshi.com/uploadfile/file/2021060220530873499.pdfIn PDF document text
  • https://alamansyria.com/userfiles/file/zunejemunonow.pdfIn PDF document text
  • http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a8671121574---zutoputuginefa.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161176cf3c26da---69641612631.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=sct+x4+instruction+manualPDF link annotation
  • https://cakamuzejs.riga.lv/ckfinder/userfiles/files/kamisilaledaxerexuri.pdfIn PDF document text
  • 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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