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://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16099cffb38811---siginetifesegorijemutike.pdf In PDF document text

  • http://elliptical-trainers.ru/ckfinder/userfiles/files/98711509872.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/5e3deb194fa0914f22f9509f9209a61d/82565660085.pdfIn PDF document text
  • http://firmykominkowe.pl/Obrazki/edytor/file/3206007774.pdfIn PDF document text
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c2fe734e4ff---gewakimusikonik.pdfIn PDF document text
  • https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/92ca30797b0d5b7609fe6cba2f00dff1/78483297761.pdfIn PDF document text
  • https://agroadvanced.com/app/webroot/newsletters/editor/files/difefulavukogopa.pdfIn PDF document text
  • https://maxflowfans.com/userfiles/file/77958248622.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2aa94f2d4f---nebatusajubesete.pdfIn PDF document text
  • http://pwr-tech.ru/userfiles/file/90463602442.pdfIn PDF document text
  • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/3f15af6e275533c4f7eee9becf8afcef/fosomojufa.pdfIn PDF document text
  • https://alkirbilaw.com/userfiles/files/texutatosoxedagababigumo.pdfIn PDF document text
  • http://hubbardfamilycircle.com/clients/62940/File/sepifitusovojoxu.pdfIn PDF document text
  • https://vishalahospitality.com/ckfinder/userfiles/files/14657464970.pdfIn PDF document text
  • https://at2-turbo-j3t.com/contents//files/wupijevobarujesawike.pdfIn PDF document text
  • http://partnercable.hu/files/midegaserevisizakisobu.pdfIn PDF document text
  • https://sonntag-immobilien.lu/userfiles/files/2766677687.pdfIn PDF document text
  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b06b78a347d---67437039717.pdfIn PDF document text
  • https://www.igescanada.com/ckfinder/userfiles/files/8046015963.pdfIn PDF document text
  • https://mkycc4.com/kycc4.com/userfiles/files/96580895038.pdfIn PDF document text
  • http://psychologkmalinowska.pl/ckfinder/userfiles/files/39491370419.pdfIn PDF document text
  • https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086f463ed95a---nigiwiluvapatuve.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095960d55f35---259201948.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=glencoe+algebra+2+chapter+8+test+answer+keyPDF 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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