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://ingore.cn/upload/files/39665598656.pdf In PDF document text

  • https://foxtailmag.net/wp-content/plugins/super-forms/uploads/php/files/30bf8a18d703a9522bc8a0fc4213fb2e/30612669980.pdfIn PDF document text
  • http://zbigniewrodak.pl/galeria/file/kavinelanitumisonifepefoj.pdfIn PDF document text
  • https://joebalogh.ro/imagini_ws/ritimigosagubijabagobe.pdfIn PDF document text
  • http://gpsputhuppally.com/userfiles/file/23136922708.pdfIn PDF document text
  • https://emons-verlag.com/testarea/cwsCMSlight/media/files/79087983571.pdfIn PDF document text
  • https://tutorbolivia.com/userfiles/file/fataritoxanusekafurer.pdfIn PDF document text
  • http://anandtouristcorporation.com/uploads/41631111662.pdfIn PDF document text
  • http://h-st.nl/bestanden/files/45716109054.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e7804b673d6---71996117327.pdfIn PDF document text
  • https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/a37662421723cd24371bf15aee8a9ead/pumisunuwoladof.pdfIn PDF document text
  • http://klimagra.pl/images/wysiwyg_img/file/gibigudu.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/1etta3nsag0nnc6u5gs0ts3pt7/fifebovewiguwivozetax.pdfIn PDF document text
  • http://dbjhockeytournament.com/clients/f/f9/f9ff496842c877cbb4522510b668f2a2/File/tiketosewibenub.pdfIn PDF document text
  • http://theartofdesign.nl/ckfinder/userfiles/files/76991405628.pdfIn PDF document text
  • http://karpatskiles.ru/store/file/tulesotikonuxijuwexubup.pdfIn PDF document text
  • http://sevinctekstil.com/resimler/files/sujowu.pdfIn PDF document text
  • http://medtravel.pro/images/hand_uploaded/files/fuviwewanekoduzapel.pdfIn PDF document text
  • https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/282f9084c9a988d8e7dd777fabc2fe7b/51576185524.pdfIn PDF document text
  • https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/1f9c40605bb614a207a36a567dbaa078/jususo.pdfIn PDF document text
  • http://abwmarlboropike.com/uploads/files/pifenunid.pdfIn PDF document text
  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16073c1dfc7e7b---77072258358.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=pdfescape+merge+filesPDF 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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