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://daleplumbinginc.com/wp-content/plugins/super-forms/uploads/php/files/53146d2a7d7708fbf7c811818d5b2e29/mesomopakax.pdf In PDF document text

  • https://greenlakepaint.com/ckfinder/userfiles/files/28864700672.pdfIn PDF document text
  • http://goldenagegroup.vip/userfiles/file/47618700816.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/879c9b5e9bf2d675808cbdf10ac06711/41944646304.pdfIn PDF document text
  • http://tnslib.su/userfiles/files/xosakevijuzedizibiruseku.pdfIn PDF document text
  • http://autoscuolauniversale.it/userfiles/files/6583734107.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/16085f4b26ed00---22400343042.pdfIn PDF document text
  • https://hydratrend.com/application/third_party/ckfinder/userfiles/files/fekiv.pdfIn PDF document text
  • https://dcimx.com/files/7629413854.pdfIn PDF document text
  • http://alompar.hu/uploads/content_files/files/7362060805.pdfIn PDF document text
  • http://wallsfamily1912.com/clients/876683/File/77639218801.pdfIn PDF document text
  • http://tutaylamhet.com/storage/ckfinder/files/35594205471.pdfIn PDF document text
  • http://restravel.ru/ckfinder/userfiles/files/wukemujafilojirowixo.pdfIn PDF document text
  • http://www.umadai.com/ckfinder/userfiles/files/xojuwarejajujamabowa.pdfIn PDF document text
  • https://mama-light.net/business_school/uploads/file/2987484317.pdfIn PDF document text
  • https://wisserarm.nl/app/webroot/files/userfiles/files/repakoken.pdfIn PDF document text
  • http://gemculture.com/userfiles/file/xamopazemifuje.pdfIn PDF document text
  • http://www.dramayaramendes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16075e0ca8a170---wevixokijaramafe.pdfIn PDF document text
  • http://aviapartner.biz/js/ckfinder/userfiles/files/jisiwuz.pdfIn PDF document text
  • http://prabashproperties.com/ckfinder/userfiles/files/zikakopijeja.pdfIn PDF document text
  • http://szkolka-wiercioch.pl/files/file/61225056102.pdfIn PDF document text
  • https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/drbjuu8upp0m3op07lsua0pmb0/17873479015.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=forces+and+motion+crossword+puzzle+answer+keyPDF link annotation
  • https://www.assessment.unibe.ch/app/webroot/js/ckfinder/userfiles/files/xufeve.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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