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.
• 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.
• 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://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613e34abe6c19---49413577472.pdf In PDF document text

  • https://fong-cai.com/upload/files/32233505991.pdfIn PDF document text
  • http://medianet2000.net/amm_prod/image_news_popup/file/30820884462.pdfIn PDF document text
  • http://unternehmensberatung-hegenbarth.com/userfiles/file/92508920541.pdfIn PDF document text
  • http://autosvanbeek.nl/mindcms/js/ckf/userfiles/files/ratirobusutavizizunatemar.pdfIn PDF document text
  • http://manvilastrust-org.bvirani.com/ckfinder/userfiles/files/40337871559.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/9b32684ccbc2044f9af145303fd92ffb/44529439023.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141b3c962201---femofuxiderobe.pdfIn PDF document text
  • http://jongauger.com/ckfinder/userfiles/files/jaluziwiwovexet.pdfIn PDF document text
  • http://www.temaricerca.com/entry2013new/admindia/ckfinder/userfiles/files/95311119844.pdfIn PDF document text
  • http://makrostal.pl/user_images/file/digeworugawil.pdfIn PDF document text
  • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/21c3f3870b836b42a7a4ca165b435113/bubukivik.pdfIn PDF document text
  • https://happy-playground.gr/uploads/_uploads/files/rifofutosuwowafox.pdfIn PDF document text
  • https://doitoutdoorz.com/file/WaseQlbZaR7KMxY4.pdfIn PDF document text
  • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/26bb923029e5f9f94327ff50f8672603/xugaberurud.pdfIn PDF document text
  • http://brcassociati.com/userfiles/files/58625731986.pdfIn PDF document text
  • http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae736477bd---33317842368.pdfIn PDF document text
  • http://ahjygjg.com/upload_fck/file/2021-9-14/20210914020157842875.pdfIn PDF document text
  • https://discovercefalu.com/_data/images/file/23981047879.pdfIn PDF document text
  • http://skupka23.ru/upload/m/jevuga.pdfIn PDF document text
  • http://wintec-samu.hu/uploads/files/jinokudaxuxan.pdfIn PDF document text
  • http://kingsap.com/file_media/file_image/file/85726401207.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/16137f06a28b50---22757497971.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+check+location+history+on+androidPDF link annotation
  • https://tes-sys.com/uploads/ckfinder/files/20210916/16317354981504.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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