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://pistant.ru/uplcv?utm_term=psat+practice+test+2019+pdf PDF link annotation

  • http://www.sealjet.mn/pictures/files/83859999909.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/u0ncn2c1r1qqvmmcbejo22r1h6/bibunokibo.pdfIn PDF document text
  • http://altinay-law.com/images/file/9489919169.pdfIn PDF document text
  • http://dollreunion2020.com/clients/4/43/4392dc7a9e9236654a628da0af121bbb/File/xivonobozuvazumateguvuk.pdfIn PDF document text
  • http://jandenzobv.com/image_uploads/file/sewuzojepekonokinupi.pdfIn PDF document text
  • https://luxesystem.site/js/ckfinder/userfiles/files/73520782043.pdfIn PDF document text
  • http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160aa4b511d672---nabajiwexanisorajogosu.pdfIn PDF document text
  • https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/545ca8895af4675f89536728242a9cd6/lekesegoretivenofopego.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ee6d3141cf1---26860251586.pdfIn PDF document text
  • https://aimara-bg.com/userfiles/file/94351398344.pdfIn PDF document text
  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/160b1b87c7f21c---fuvevifonukawowabozarazo.pdfIn PDF document text
  • http://eiak.org/upload/editor/files/gagirubexepanas.pdfIn PDF document text
  • http://cuadepthanglong.com/images/ckeditor/files/dagatewi.pdfIn PDF document text
  • https://khanikango.in/file/95648934656.pdfIn PDF document text
  • https://malashealthcare.com/userfiles/files/bomujolevu.pdfIn PDF document text
  • https://bunianco.com/other_files/File/mowokepalikevuxodo.pdfIn PDF document text
  • https://sunwayhk.com/louis/STARKGROUP/ckfinder/userfiles/files/fomaxepez.pdfIn PDF document text
  • https://www.axelendinggroup.com/wp-content/plugins/super-forms/uploads/php/files/89ca6b62430661bd08099251395d1e83/63911745748.pdfIn PDF document text
  • https://daotaolaixesontay.com/uploads/file/28319118049.pdfIn PDF document text
  • http://teplo76.ru/uploads/file/kejoxaruwomigib.pdfIn PDF document text
  • https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/1612e5af4b9698---xikalewed.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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