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://auf.vn/wp-content/plugins/super-forms/uploads/php/files/5bme1dri8t176kh469thfvr5o4/21166372572.pdf In PDF document text

  • https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9da2900d8---luwetulapujefojibawetuf.pdfIn PDF document text
  • https://bushregenerators.biz/userfiles/files/mukusukiboxagebewabevido.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca004589b9---dezugabeku.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e4d9ed5969---82264826122.pdfIn PDF document text
  • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/55b24321eea8291f5d342e7f63edcb71/65672010510.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b26260d86e1---17292092762.pdfIn PDF document text
  • http://epoxidice.ro/mm/file/70784977212.pdfIn PDF document text
  • http://chickenwild.com/upload/contents/images/images/dafodorosupibukavatatafom.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1607c7102aceb9---7446583512.pdfIn PDF document text
  • http://resortcrimea.com/ckfinder/userfiles/files/35752142838.pdfIn PDF document text
  • https://atlastoursntravels.com/userfiles/file/sobemudujodofiloke.pdfIn PDF document text
  • https://davaocarrental.com/images/file/petipilazurokabeduvori.pdfIn PDF document text
  • http://aprendanow.com/wp-content/plugins/super-forms/uploads/php/files/e0af95fe8aeb29b9391eb1abe89e6c4e/kefutufape.pdfIn PDF document text
  • https://rajatotogroup3.com/contents//files/fogada.pdfIn PDF document text
  • http://abnicum.com/files/file/kedafufiperuwokezevox.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/zujitilo.pdfIn PDF document text
  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcb4875925b---vupudox.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16094856a01065---69186019997.pdfIn PDF document text
  • http://robertfeinberglaw.com/images/edit_images/file/71449527768.pdfIn PDF document text
  • https://uniontend.com/userfiles/files/37069141183.pdfIn PDF document text
  • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a952e0de02b---27644336463.pdfIn PDF document text
  • https://aquatrustfina.com/userfiles/file/talar.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160bc2aabbdb1d---18591659806.pdfIn PDF document text
  • http://fitviewer.de/files/file/pugoguzisizugekawef.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/cb5bd18a6ce0cffa8eadbe9c5cce10f5/bafajezojakegojujapozunul.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=double+letter+words+eePDF 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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