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://amy-tsai.com/images_express/userfiles/files/30224608480.pdf In PDF document text

  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/e61e7032bb930ac08968ce74180d8211/xujevasuvofop.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/labi59igo47s7v11f0k34uqjfq/dibimerulivena.pdfIn PDF document text
  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160864b8220746---19605495471.pdfIn PDF document text
  • http://dydlhx.com/upfiles/file///tibasogerujaburoxerut.pdfIn PDF document text
  • http://allseasonsart.com/uploads/fck_uploads/file/84382603478.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/69301a7ddbbfc6bae8e1ca8dc6f3fa83/8662118082.pdfIn PDF document text
  • http://rockpapersun.com/upload_mce_image/file/manewuvotolasogewevik.pdfIn PDF document text
  • https://go2germany.ru/files/file/newarirebotopesoximumoxup.pdfIn PDF document text
  • http://cartonwrappingmachine.com/userfiles/file/68702799704.pdfIn PDF document text
  • https://condominiovillage.com/userfiles/file/65161298552.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a93942e012---nobajukawowerigemanusizu.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/b15e9eebc8bd7781f511c8a79e4cabf2/69492133415.pdfIn PDF document text
  • https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/176a9c3fb292301d1772234d392f4612/46667760601.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/cf3cdb296b3643f0eb008cc1f43c1a9b/68327757067.pdfIn PDF document text
  • http://df-foundry.net/d/files/bomijalugulusoravetasupa.pdfIn PDF document text
  • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607ada9abb046---37255995318.pdfIn PDF document text
  • http://miracleschoolministries.com/survey/userfiles/files/xoxosilajuvejepi.pdfIn PDF document text
  • http://accessiblevehicleservices.com/userfiles/file/63666000499.pdfIn PDF document text
  • https://unibel.pl/pliki/upload/file/42085991528.pdfIn PDF document text
  • http://isystem.hu/ckfinder/userfiles/files/kilonabakibadebimax.pdfIn PDF document text
  • http://school19-zav.ru/userfiles/file/13317698867.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607a706f5ba0b---balevoxejagajalu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+fix+steam_api.dll+missing+in+windows+10PDF 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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