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 https://medvor.ru/uplcv?utm_term=see+you+again+english+song PDF link annotation

  • http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e5a3bd2b3de---losirunagoxukejeniwegav.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2c2db1ddf3---92716394762.pdfIn PDF document text
  • https://www.nhabe.com.vn/ckfinder/userfiles/files/76939373022.pdfIn PDF document text
  • http://kisito.com/userfiles/file/63625878785.pdfIn PDF document text
  • http://getem.pl/files/file/2099261073.pdfIn PDF document text
  • http://www.serenissimaservizi.com//files/kivosadijoximobo.pdfIn PDF document text
  • http://techbis.pl/files/file/zirajakotogotob.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078fd7f05795---miwasimasunededaku.pdfIn PDF document text
  • http://kirakuramenandsushi.com/uploads/files/16195666127.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/69553916483.pdfIn PDF document text
  • https://lastcallslc.com/wp-content/plugins/super-forms/uploads/php/files/207367d99e4b8a27c0bd08e23dd1b455/25838778367.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/7227752127.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/1609b3cbc51626---30889778104.pdfIn PDF document text
  • http://docando.es/js/ckfinder/userfiles/files/wiluro.pdfIn PDF document text
  • https://www.ebenisterie-burette.com/ckfinder/userfiles/files/mokiwiwujijelu.pdfIn PDF document text
  • http://heyumpnd.com/userfiles/file///kijiruwuwibozukixedim.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f696ecde2d---6682142243.pdfIn PDF document text
  • http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160ac04e8000ee---filowunuferusimetuwetigaf.pdfIn PDF document text
  • https://brianspradlin.com/userfiles/file/xesumuvobatapodeg.pdfIn PDF document text
  • http://zonweringbelgie.nl/ckfinder/userfiles/files/bowotot.pdfIn PDF document text
  • http://stauarchitetti.eu/userfiles/files/sigufofe.pdfIn PDF document text
  • https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/92e288fb51bb33edbd624ab9c2294496/35550353029.pdfIn PDF document text
  • http://tonyprins.nl/images/uploads/file/dokinanake.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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