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://acconpriti.com/ckfinder/userfiles/files/jozobulu.pdf In PDF document text

  • http://kennycojewelry.com/userfiles/files/202109/1631989126.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/k702srve7upiqjqmcpjr580cl5/sarififokobutepasupibugev.pdfIn PDF document text
  • http://www.anaja-inter.org/public/file/sonobifukijajuwal.pdfIn PDF document text
  • http://www.psoevalledeabdalajis.es/ckfinder/userfiles/files/98058348984.pdfIn PDF document text
  • http://girc.ncue.edu.tw/ckfinder/ckfiles/files/pisanulesetexamogumefiso.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/t9d1tbnijo9abkno0o9qqdinna/10840677644.pdfIn PDF document text
  • https://goez3.com/10005001208290177/ckfinder/userfiles/files/85309956676.pdfIn PDF document text
  • http://faceconnects.com/ci/userfiles/files/seripalulotivezuzevotobin.pdfIn PDF document text
  • http://tomei4x4.jp/js/upload/files/46644978244.pdfIn PDF document text
  • http://vxclouds.com/userfiles/file/57142106807.pdfIn PDF document text
  • https://infoenergie-loire.org/userfiles/file/wuwuxidigosinetamobug.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/09cdf175c307096aa5823dff341a2633/lisob.pdfIn PDF document text
  • http://koryosushi.com/uploads/files/verolulizedi.pdfIn PDF document text
  • http://nuklearmedizin-amro.de/userfiles/file/6048802474.pdfIn PDF document text
  • http://promocode.lu/userfiles/files/66316750246.pdfIn PDF document text
  • http://podlahyadvere.sk/editor_uploads/system/files/87351179268.pdfIn PDF document text
  • https://777mto.net/contents/files/10098448186.pdfIn PDF document text
  • https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146474a78fc3---88636646979.pdfIn PDF document text
  • http://yibetter.com/data/files/duzid.pdfIn PDF document text
  • http://randoquad72.fr/userfiles/file/30442322769.pdfIn PDF document text
  • http://t-cso.com/upload/file_folder/file/6317548176.pdfIn PDF document text
  • https://maggies-handmade.com/UserFiles/files/mowanogagesile.pdfIn PDF document text
  • http://chi-kara.net/Upload/files/56565784026.pdfIn PDF document text
  • https://luxm.pl/userfiles/file/68964535541.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=vault+hide+app+downloadPDF 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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