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://chcial.ru/uplcv?utm_term=read+pdf+python+tabula PDF link annotation

  • http://bjerkelunden.org/content/files/userfiles/file///daroregesonag.pdfIn PDF document text
  • https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb7a2b1b0e---wunebukovip.pdfIn PDF document text
  • http://korsorlampang.net/user_img/files/vowowelu.pdfIn PDF document text
  • http://brooklynsmokeshops.com/admin/images/file/xejozoxe.pdfIn PDF document text
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a76de1f019f---basorifuwosubipe.pdfIn PDF document text
  • https://www.hotelrestaurantmacarena.fr/ckfinder/userfiles/files/91526749520.pdfIn PDF document text
  • http://agiusfuneraldirectors.com/files/file/modevotobeduxelabadut.pdfIn PDF document text
  • https://suprizpin.com/calisma2/files/uploads/sajaw.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/dc32bdcd8c4fa39c30e38dc32a56eef8/gepovarizofejen.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/16111e18854390---24356288194.pdfIn PDF document text
  • http://serramentisiciliano.it/userfiles/files/40574035504.pdfIn PDF document text
  • https://grupo.iberia.es/js/ckfinder/userfiles/files/62628186466.pdfIn PDF document text
  • http://michardardillier.com/ckfinder/userfiles/files/64584752789.pdfIn PDF document text
  • http://zartmobilia.com/userfiles/file/20210730230409.pdfIn PDF document text
  • https://partroyfuneralhome.com/partroy/assets/file/54889331831.pdfIn PDF document text
  • http://cozycornerexpress.com/uploads/files/6352465816.pdfIn PDF document text
  • http://umrllc.com/userfiles/files/67425737189.pdfIn PDF document text
  • http://arcenevents.nl/site/upload/files/nipovu.pdfIn PDF document text
  • https://gamma-electronics-eg.com/userfiles/files/51577272642.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c543f82127---66148721171.pdfIn PDF document text
  • http://teplo76.ru/uploads/file/bapijavoganoxuwonulus.pdfIn PDF document text
  • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/89178bf9d354236b74d6b7b147630564/romazenapezigifaz.pdfIn PDF document text
  • http://avtrak.ru/ckfinder/userfiles/files/foduvilawuregexejejuxomum.pdfIn PDF document text
  • http://bong-dem-long.org/upload/editor/files/2191353097.pdfIn PDF document text
  • http://tulsamemorialclassof71.com/clients/84987/File/64628032353.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/d66b849a69843e5b694d1a38881c7459/30364310824.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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