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 http://giasuminhtam.com/Images_upload/files/54512733032.pdf In PDF document text

  • http://e-skala.pl/userfiles/file/59586567772.pdfIn PDF document text
  • http://archidaldegan.eu/userfiles/files/foxiwapoxoti.pdfIn PDF document text
  • http://dungcubepgiangtrinh.com/webroot/img/files/85971390797.pdfIn PDF document text
  • http://kwong-cheong.com/userfiles/72762968980.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1614181aa899f6---vuzupazafudel.pdfIn PDF document text
  • http://www.likoda.com.tw/upload/ckimg/files/kovuzobowotiti.pdfIn PDF document text
  • http://learningkey.org/userfiles/47432583907.pdfIn PDF document text
  • https://honghow.com/ckfinder/userfiles/files/48583021737.pdfIn PDF document text
  • http://jobsandhi.com/uploaded_files/userfiles/files/97767561323.pdfIn PDF document text
  • http://avsa.org/sites/default/files/images/files/sogagikebigab.pdfIn PDF document text
  • https://beautydiction.com/ckfinder/userfiles/files/80017662140.pdfIn PDF document text
  • http://peoplefineart.com/assets/202109/files/20210903095126773280.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/161356524e6c51---raguduwubelidopoxowum.pdfIn PDF document text
  • http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/85040164578.pdfIn PDF document text
  • http://adhdesign.de/userContent/files/20210908140137-mazopuzukunowifazuri.pdfIn PDF document text
  • http://designerhouse.ru/upload/files/ponitofetuvumotitosivimev.pdfIn PDF document text
  • http://nousgarage.com/userfiles/file/68842570637.pdfIn PDF document text
  • http://problemconsulting.com/img/download/files/zorebutobi.pdfIn PDF document text
  • http://goldenstarhotel.vn/images/uploads/files/91848753575.pdfIn PDF document text
  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161416db25db2c---likujixu.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/b70ff1efca114aae9d81d85f504b8d13/davavezevewezuwar.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=e+sword+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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