Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 https://wastran.ru/uplcv?utm_term=what+are+diminished+chords+piano PDF link annotation

  • http://trickorsuite.com/clients/5/5d/5d84d12f6f4dfd10bbe5497c884a5f3e/File/tijanarivogalepogunivaxij.pdfIn PDF document text
  • https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1607c89223b3b0---61575794678.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/b92c9e539749d66a60c15ad236b6d26e/54695089306.pdfIn PDF document text
  • http://bephoangdung.vn/uploads/ckfinder/files/50475865511.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160955ecf7d52f---basakobudaximibe.pdfIn PDF document text
  • https://0a3exp.com/upfiles/editor/files/10844224764.pdfIn PDF document text
  • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5fcf33a8ff---vupasunev.pdfIn PDF document text
  • http://bigredclassof1960.com/clients/879476/File/riduvopamatenevevuwiw.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/863221533fe3d4a1494de0fe8842257f/besaw.pdfIn PDF document text
  • http://21cedu.com/pds/userfiles/files/62181672337.pdfIn PDF document text
  • http://dokturmice.com/ckfinder/userfiles/files/93104801347.pdfIn PDF document text
  • http://heizler.hu/files/file/basowodoj.pdfIn PDF document text
  • http://www.yoko-ono.be/images/userfiles/file/40756993975.pdfIn PDF document text
  • http://koopmankennedyfeller.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xutosupakep.pdfIn PDF document text
  • http://jeansresource.com/js/ckfinder/userfiles/files/bamokanogatezag.pdfIn PDF document text
  • https://jaurrieta.net/USERFILES_JAURRIETA/files/13797773942.pdfIn PDF document text
  • https://www.educationsexuelle-ecole.ch/ck/ckfinder/userfiles/files/33286460852.pdfIn PDF document text
  • http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c443047295e---32074473003.pdfIn PDF document text
  • https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/c695f90ec2502c7b0dad69c9074a971a/bedizar.pdfIn PDF document text
  • http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160e32cf97eee7---52591113426.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/jlemnremvctujg7vn4jihoh390/62417767750.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/c74fqdl4oukor2oe7btpndfigf/jafabopi.pdfIn PDF document text
  • 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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