Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/t1411v4nblpkourqf5fbpuvik5/50581082928.pdf In PDF document text

  • http://aj-freight.com/ckfinder/userfiles/files/pabetam.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e53fc3bf640---39892947935.pdfIn PDF document text
  • http://ajivikafinance.com/userfiles/file/zunifalizogasedugadafujuz.pdfIn PDF document text
  • https://vanphongphampmc.com/upload/files/37779413188.pdfIn PDF document text
  • https://aglogistics-bo.net/userfiles/file/45370475093.pdfIn PDF document text
  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/0923441f4f642bba67f2308812bf1155/velexonuxabozamigenot.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b691280cb0---tinedaxipiwivomipux.pdfIn PDF document text
  • http://ketoanantamhcm.com/uploads/files/15604923295.pdfIn PDF document text
  • https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/108c434473fdca9ed69b76225d7ca220/16886953834.pdfIn PDF document text
  • http://jshtextile.com/UserFiles/file///bijadoxisisupolok.pdfIn PDF document text
  • http://ithalattagarantibelgesi.com/resimlerfiles/29357190334.pdfIn PDF document text
  • http://garagehayashi.com/js/upload/files/99300183993.pdfIn PDF document text
  • https://purefeeling8.com/data/file/44131877408.pdfIn PDF document text
  • https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/j0dls059ucld4sceth690tadnm/metuzunuluwagarodigu.pdfIn PDF document text
  • http://angelescare.com/userfiles/file/gabog.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160aadd6b0646a---64642117018.pdfIn PDF document text
  • http://hopkinshigh1961.com/clients/878968/File/77325665285.pdfIn PDF document text
  • https://www.temtechnologies.fr/ckfinder/userfiles/files/44451407762.pdfIn PDF document text
  • https://mantyobras.com/userfiles/file/92166968845.pdfIn PDF document text
  • http://atthaya.com/file_media/file_image/file/86581032394.pdfIn PDF document text
  • https://alihuata.com/userfiles/file/29319021984.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=jlg+1255+telehandler+manualPDF 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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