Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://krisoc.ru/uplcv?utm_term=kingroot+2020+android+8.1 PDF link annotation

  • http://ipsgroupjjn.org/userfiles/file/liminiz.pdfIn PDF document text
  • https://bienenaktuell.com/sites/bienenaktuell.com/files/file/sosufali.pdfIn PDF document text
  • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a19d8799f8d---tewexijifuzi.pdfIn PDF document text
  • https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/c17fe8eaf6340aef2680658c16802fdd/91982689220.pdfIn PDF document text
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/227343885a78c200660ff7ca4341524e/90987239694.pdfIn PDF document text
  • http://logistra.fr/ressource/site-image/files/rofugomuni.pdfIn PDF document text
  • https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/a56c907bd5c82e26a72b6a7977a5bcba/jotakufej.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/p505ncpcrql8dvphs2hac6pii7/85685650762.pdfIn PDF document text
  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/c90694529602ba4ced6ec04947fdd21b/putopobiwadolorumik.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609041304ca8d---baronevip.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16084aa4f489c8---64518450184.pdfIn PDF document text
  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/n1jpcq0mldlnbgm3lcdfeq8fg7/4471369190.pdfIn PDF document text
  • http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca338f1a68---41292469244.pdfIn PDF document text
  • https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/r0kl76sepua1ilgfa2uq5906kb/67509348140.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160aa1217cb853---duzimuler.pdfIn PDF document text
  • http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/c397b1d07f203e456e36dc4762c127db/27368720909.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074b48852f02---fipibure.pdfIn PDF document text
  • https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/d556280949a0d8ac7128f124bd87ae1b/56391962804.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off0001100a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off0001100a.bin)
  • 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
  • https://savannah.gnu.org/projects/freefont/In extracted file (font_00_sfnt_off0000feba.bin)
  • http://www.gnu.org/licenses/In extracted file (font_00_sfnt_off0000feba.bin)
  • http://www.gnu.org/copyleft/gpl.htmlIn extracted file (font_00_sfnt_off0000feba.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_01_sfnt_off0001100a.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_03_sfnt_off00014a50.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_03_sfnt_off00014a50.bin)

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