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
• Security software disable instruction high SE_SECURITY_BYPASS
  Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
• 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://twinslock.com/locktactyuma/userfiles/file/gemuladinafudabomobupesi.pdf In PDF document text

  • http://wxbeimei.cn/upload/ckimg/files/202109081159086611.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/ef5fb4ff8fd9f207f364953054a0dfc9/ginedofew.pdfIn PDF document text
  • https://pecintajp.com/contents/files/7128577704.pdfIn PDF document text
  • https://speculatio.in/ci/userfiles/files/56368155098.pdfIn PDF document text
  • https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/6583670d91b567e170d98e0983da5519/22991112167.pdfIn PDF document text
  • https://aakritidigitals.com/userfiles/files/tokasu.pdfIn PDF document text
  • http://teusz.pl/UserFiles/file/danusagu.pdfIn PDF document text
  • https://braindevelopmentmaps.org/userfiles/files/86310949828.pdfIn PDF document text
  • https://dtd.com.pk/ckfinder/userfiles/files/29226086186.pdfIn PDF document text
  • https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1612ef7c2f2b35---38723187014.pdfIn PDF document text
  • http://nomorecpapmachine.com/userfiles/files/sofuselisigepofakimazodus.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16138d3be17ec6---joguxutolituwinekerego.pdfIn PDF document text
  • http://dermalab.pl/userfiles/file/73256252963.pdfIn PDF document text
  • http://standardamulet.com/files/files/xofofupoviwotorobowiwikif.pdfIn PDF document text
  • http://www.hkimm.hk/_bin/ckfinder/userfiles/files/11311413868.pdfIn PDF document text
  • http://humanitool.ru/userfiles/file/denedekitaju.pdfIn PDF document text
  • https://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/95026173067.pdfIn PDF document text
  • https://hefcom-hydraulics.com/ckfinder/userfiles/files/4615733439.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136bc8c8e65d---79966123961.pdfIn PDF document text
  • http://ekonopuntos.com/campannas/file/47316385108.pdfIn PDF document text
  • http://arisutour.com/ckupload/files/ropuzamofiruravasobaforiv.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f9038e4e63---80710150352.pdfIn PDF document text
  • https://www.poolsrus.com.au/application/third_party/ckfinder/userfiles/files/3720659187.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=app+lock+code+in+androidPDF 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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