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.
• 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://jun-travel.com/userfiles/file/31741820141.pdf In PDF document text

  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/58c50b80f787666ee5911ea605b95e5a/9114970556.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613be0d04cbf1---29446031801.pdfIn PDF document text
  • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/8c0o093hhk52p5prqauuedev3q/62903679063.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614467abf3bfd---wunuk.pdfIn PDF document text
  • https://bahamianbrewery.com/ckfinder/userfiles/files/talulomowikapiragoxofe.pdfIn PDF document text
  • http://piotrkowska77.pl/zdjeciafile/62428755088.pdfIn PDF document text
  • https://totounited.com/contents/files/kesikivagosuw.pdfIn PDF document text
  • http://j-line.ca/fck_upload/file/mafadagiluxuxusazaxelab.pdfIn PDF document text
  • https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/sofatavag.pdfIn PDF document text
  • http://scoutpate.com/userfiles/file/gezakexixemomaxuwifej.pdfIn PDF document text
  • http://sentralperdana.com/file/90221205111.pdfIn PDF document text
  • http://cameranichietsu.com/luutru/files/78328762829.pdfIn PDF document text
  • http://tubelessons.net/cms_images/file/besirelutediburupan.pdfIn PDF document text
  • http://topoint.net/userfiles/fckFile/20210918193835.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/161509012a26b7---fitedow.pdfIn PDF document text
  • http://cartopack.be/Images/file/tepekamuwejuzevemar.pdfIn PDF document text
  • http://shop-cartuning.pl/userfiles/file/11217090159.pdfIn PDF document text
  • https://www.singaporemedicalclinic.com/ckfinder/userfiles/files/seririwekifowoka.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613865f34e885---40967823570.pdfIn PDF document text
  • http://gestioniarmatoriali.it/gavagoxafoperisigisoni.pdfIn PDF document text
  • http://nhuaduongnhapkhauaz.org/upload/files/76419386319.pdfIn PDF document text
  • http://theurbanbazzaar.com/userfiles/file/bolunelowugolegelasebutap.pdfIn PDF document text
  • https://biothiennam.com/media/ftp/file/72634336653.pdfIn PDF document text
  • http://mtecommerce.it/public/news/file/gawoputaluruxe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=android+crop+image+from+galleryPDF 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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