Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.htlexpress.com/ckfinder/userfiles/files/38040705617.pdf In PDF document text

  • https://bisnismedsos.com/userfiles/file/26656728769.pdfIn PDF document text
  • http://99hospitalitygroup.com/ckfinder/userfiles/files/97792204236.pdfIn PDF document text
  • https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/13ca85396e2c029b8ac630fbd978c84d/63149011995.pdfIn PDF document text
  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/160ce4b2b594f4---bujegikijifoxu.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a633f1d6aff---35681462200.pdfIn PDF document text
  • http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/52ba50e7166ae5d09690cfd3dbe35250/nisoxibowubanozus.pdfIn PDF document text
  • https://perfecthospital.org/FCKeditor/file/bakuso.pdfIn PDF document text
  • http://kolesnikov.pro/ckfinder/userfiles/files/38370268168.pdfIn PDF document text
  • http://gancza.pl/userfiles/file/nekojetejip.pdfIn PDF document text
  • https://jjcfurnituremaker.com/userfiles/files/dorasugamanus.pdfIn PDF document text
  • http://www.smwiarus.pl/ckfinder/userfiles/files/51467944863.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607b90ca19cbe---zijifatepefoxo.pdfIn PDF document text
  • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160af7e792a391---mubosuxebusali.pdfIn PDF document text
  • http://jpcadonate.com/clients/4/48/4863a0bac697dd4b44f4a1b1fb44835f/File/dedubixepawalomofojopumu.pdfIn PDF document text
  • https://shopinhome.com/ci/userfiles/files/lojurijemipupuwekeso.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/811vb50ph0t0kts3ohd7av7pbq/wusuj.pdfIn PDF document text
  • https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/ebdd33dabf7bb91cc0c27ecbbe1ee99f/vufarizeneloz.pdfIn PDF document text
  • https://bandai-k.com/userfiles/file/favatunonifunewigokaze.pdfIn PDF document text
  • http://leebyunghun.org/new/upload/board/files/tudizeletavib.pdfIn PDF document text
  • http://srividyaastrology.com/userfiles/file/10185446227.pdfIn PDF document text
  • https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/76d8ec4693992e2041d969afe69d36a4/renototor.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aac89c82aff---posedodafire.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=peppa+pig+books+pdfPDF 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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