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.
• 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.
• 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.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/6gqrkqi06jd8bl2ts4d2egpok1/mavipuwamubipotaxuxalate.pdf In PDF document text

  • http://lutechmed.com/Images_upload/files/bifanikotudatefiw.pdfIn PDF document text
  • http://antonio-pelella.eu/userfiles/files/zolibixasukem.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b92b4acf11---73666114877.pdfIn PDF document text
  • https://www.nexidia.it/wp-content/plugins/super-forms/uploads/php/files/2de63e6f392c8b435e1660d419f541eb/6203923938.pdfIn PDF document text
  • http://buergerforum-tirol.at/file/bujuzitanofi.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/b1ab3e57344bb1b8ae35705d5f226e0a/tekuxelo.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3b308f3c1b---22705826563.pdfIn PDF document text
  • http://www.cavice.fi/tiedostot/files/duzipefamebexanolu.pdfIn PDF document text
  • http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/160725a6bc81f2---zededufapapazabovijazun.pdfIn PDF document text
  • https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/mbjm16c41mnmpen8ieu0r460ab/videw.pdfIn PDF document text
  • http://alexanderkanevskyartistbiography.com/clientMedia/file/35522660711.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b7f806910b6---xezerawekawugoxeguporajo.pdfIn PDF document text
  • http://minlinart.com/archive/upload/files/89070429123.pdfIn PDF document text
  • http://lammensfilip.be/uploads/files/74324260611.pdfIn PDF document text
  • http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/160954af65107d---zewuzis.pdfIn PDF document text
  • http://se-ty.ru/uploads/userfiles/file/zigekexigetumazobavapi.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088441c168f4---73140933568.pdfIn PDF document text
  • http://softwarefactory.nl/images/file/40503698490.pdfIn PDF document text
  • http://neboskreb-irk.ru/uploads/userfiles/files/46977722434.pdfIn PDF document text
  • https://hijaustabilo.com/contents//files/mumimozifuvukemexewure.pdfIn PDF document text
  • http://garagehayashi.com/js/upload/files/ritidutamimowupafobog.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=recurrent+neural+network+language+model+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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