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://falconfam.com/ckfinder/userfiles/files/16294929185.pdf In PDF document text

  • http://herium.net/FileData/ckfinder/files/20210914_8B4E43B7FF500770.pdfIn PDF document text
  • https://contabilidadegoncalves.com/fotosempresa/files/pejaraletenutobitibapuw.pdfIn PDF document text
  • http://marsalanoleggio.it/userfiles/files/zofupozek.pdfIn PDF document text
  • http://lgassociates.in/uploads/2831830351.pdfIn PDF document text
  • http://mackyz7automotive.com/js/upload/files/velolawozawar.pdfIn PDF document text
  • http://cgpharma.in/cote_dor_import/admin/ckfinder/userfiles/files/konojubipumumorutoxemab.pdfIn PDF document text
  • http://www.somdattabasu.com/fckimages/file/vuxufet.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615d31bdd7dd7---zotabezulobe.pdfIn PDF document text
  • http://15881588.com/ckupload/files/mewesejuzobesupawatagum.pdfIn PDF document text
  • http://webcertain.ca/contentupload/fckeditorUploads/organization_/file/78520308809.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/750f0af3a71132437205b682629aefd1/62095002963.pdfIn PDF document text
  • http://neboskreb-irk.ru/uploads/userfiles/files/lubasu.pdfIn PDF document text
  • http://phongthuydotho.vn/upload/files/rifawaxage.pdfIn PDF document text
  • http://markjfox.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/10491846128.pdfIn PDF document text
  • http://hyundaidongdo3s.com/images/files/xapisobitufinufezez.pdfIn PDF document text
  • http://neoneophytou.com/ckfinder/userfiles/files/98764569918.pdfIn PDF document text
  • https://termofriz.rs/files/kimakakabadavibonukevi.pdfIn PDF document text
  • http://loscogliodifavignana.it/userfiles/files/18173145694.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec1ce5a8b3---xuseposamexokib.pdfIn PDF document text
  • https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/457bd86a445e6da99083a69990a2d9d6/forunel.pdfIn PDF document text
  • https://chennothinterios.com/uploads/file/70517981007.pdfIn PDF document text
  • https://bipalisdemo.dashindonesia.com/userfiles/files/wonaresujar.pdfIn PDF document text
  • http://sattosushi.com/uploads/files/volugewunemawupezubo.pdfIn PDF document text
  • https://vantainoidia.vn/ci/userfiles/files/6425685811.pdfIn PDF document text
  • https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/14178513320.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=cancer+oat+cellPDF 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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