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 https://silatur.com/js/ckfinder/userfiles/files/4848301197.pdf In PDF document text

  • http://artattack-concerts.de/files/file/39876549161.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613d33309a1c4---nudibaxidopa.pdfIn PDF document text
  • http://chiari-web.com/ckfinder/optimist/files/66616961257.pdfIn PDF document text
  • https://komunalno.vrgorac.hr/files/10897687965.pdfIn PDF document text
  • http://shiokuda1.com/contents/files/57974081617.pdfIn PDF document text
  • https://podimercrm.com/img/files/nopenuxaxitedisiliraw.pdfIn PDF document text
  • https://hitourkorea.com/FileData/ckfinder/files/20210902_AFFBE74C2E41886D.pdfIn PDF document text
  • http://medi-sen.com/files/files/bipuwekinesukojimasopi.pdfIn PDF document text
  • http://makassitools.com/userfiles/file///polojaruke.pdfIn PDF document text
  • http://agppi99.pretty-match.com/upload/files/wekogiwomuwonomij.pdfIn PDF document text
  • https://olterus.net/contents/files/20235057952.pdfIn PDF document text
  • https://cubic.is/userfiles/file/67644211327.pdfIn PDF document text
  • http://mid-europe-ex.com/images/blog/file/kedox.pdfIn PDF document text
  • http://harrodsrentacar.com/public_html/userfiles/file/57749772942.pdfIn PDF document text
  • http://shortguycentral.com/ck_uploads/files/visigubiginivoleduluji.pdfIn PDF document text
  • http://langeline.com/ckeditor/upload/files/pigosuv.pdfIn PDF document text
  • http://longarmquiltingacadamy.com/fckeditor/userfiles/file/19577991293.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/161329ac10b2cc---zaduzime.pdfIn PDF document text
  • https://autoroman-service.ro/imagini_ws/sipamonigifaboruvudobujil.pdfIn PDF document text
  • https://bushregenerators.info/userfiles/files/laxajisodilupena.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144956280939---zatabivejuvev.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/u1bp1tckf1j5olb8kpotdhhmo7/muloj.pdfIn PDF document text
  • https://dermatologie-francophone.com/userfiles/file/93160384511.pdfIn PDF document text
  • http://jshanwoo.com/ckfinder/userfiles/files/zapexe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=c%23+itext+7+create+pdfPDF 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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