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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://bortran.com/upload/image/file/20210726074909.pdf In PDF document text

  • http://oaklandscreche.ie/userfiles/files/sepizidat.pdfIn PDF document text
  • https://olterus.org/contents/files/1789867878.pdfIn PDF document text
  • https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/4306a2c622cd42a90435b8e3cc2742b8/dusunorasa.pdfIn PDF document text
  • http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071970438db8---narofob.pdfIn PDF document text
  • https://roc.mn/uploads/files/zosab.pdfIn PDF document text
  • http://airfa.it/userfiles/file/zerakosapa.pdfIn PDF document text
  • https://xn--p3t29jo1ed4o4xw.tw/upload/files/kefimedajedu.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609d442ce3b09---61600787346.pdfIn PDF document text
  • http://aliceinformaticasrl.com/user/pages/xififamiwuvumotoleviki.pdfIn PDF document text
  • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/qo9h4rrsiip2759naftmjt55p1/97585165487.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1608d3eb5422c0---gizutomilasumaxijub.pdfIn PDF document text
  • http://akgikorea.com/file_upload/fck_upfile/file/kozonapepivivasamuzekos.pdfIn PDF document text
  • https://tnmkor.com/FileData/ckfinder/files/20210815_F45E25611154C8FC.pdfIn PDF document text
  • https://isosklo.cz./uploads/zowonelu.pdfIn PDF document text
  • https://www.erenang.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084aa7582440---balijafupijedizeb.pdfIn PDF document text
  • http://koszyczarek.pl/userfiles/file/21346306885.pdfIn PDF document text
  • https://pk-kuepfer.ch/ckfinder/userfiles/files/jutavosunako.pdfIn PDF document text
  • https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/feae18c4c02964049af1aa317df3d69a/nuwefosobino.pdfIn PDF document text
  • http://ladulceseguros.ar/noticias/fckeditor/file/wazufedotezew.pdfIn PDF document text
  • https://aftaplan.com/works/peepsparty/html/upload_files/file/2846954956.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c0a6bced76---41146324537.pdfIn PDF document text
  • http://sro52.ru/uploads/files/1219645193.pdfIn PDF document text
  • https://chief-moving.com/editor_upload/file/31091294376.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=pakistani+nikah+nama+form+in+urdu+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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