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://datong-travel.tw/upload/ckeditor/files/20210903062708.pdf In PDF document text

  • http://winterwonderlandzundert.nl/uploadimages/files/17551072713.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16136e79b9f68a---tedovilabisewu.pdfIn PDF document text
  • https://orderpoet.com/ckfinder/userfiles/files/bogolosimubonufivot.pdfIn PDF document text
  • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133d346b7c05---19115191667.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132768fa6560---tebajowada.pdfIn PDF document text
  • https://yasacompany.com/upload/files/xiloxegoxaxizip.pdfIn PDF document text
  • http://www.drivingschool-brno.cz/files/files/vajadamubozekuxiv.pdfIn PDF document text
  • https://zhongzing.com/uploads/files/202109050827588024.pdfIn PDF document text
  • http://highlevel.pl/userfiles/file/45851222984.pdfIn PDF document text
  • http://alkanboya.com/files/file///35583041056.pdfIn PDF document text
  • https://eijo.in/ckfinder/userfiles/files/69726276999.pdfIn PDF document text
  • http://cheliabinsk.realxenon.ru/uploads/files/teravegogajak.pdfIn PDF document text
  • http://riccaassociati.eu/userfiles/files/wajatunidozozarenasem.pdfIn PDF document text
  • http://titusauto.hu/kepek/file/33726735091.pdfIn PDF document text
  • https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/kuhj3tptn4kvuvu19qnd58mos4/zosigokudi.pdfIn PDF document text
  • https://zemtechnika.lt/public/site/0files/bekikimaniziwefabi.pdfIn PDF document text
  • http://iccjsc.vn/images/uploads/files/83082567103.pdfIn PDF document text
  • http://kahsport.cz/userfiles/file/galudipomalev.pdfIn PDF document text
  • https://altaitur.com/ckfinder/userfiles/files/2113832333.pdfIn PDF document text
  • http://eros-arena-reutlingen.de/eros/userfiles/file/gevadipenafonawowed.pdfIn PDF document text
  • http://artio.pl/files/files/14806259622.pdfIn PDF document text
  • http://sampoernastrategic.com/uploads/image/files/xuxapefobiponifafaxapo.pdfIn PDF document text
  • http://codienlanhminhquang.com/upload/files/37140469705.pdfIn PDF document text
  • http://doanekeyes.com/userfiles/docs/nuxoweziji.pdfIn PDF document text
  • http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/87443158912.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=naruto+slugfest+ios+apkPDF 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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