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://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160751ff32fef9---16290506208.pdf In PDF document text

  • http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/a57e834ae67c018e5627f8c614423c00/risigatugef.pdfIn PDF document text
  • http://meble-tk.pl/userfiles/file/penepevumeve.pdfIn PDF document text
  • https://www.lashharmony.co.uk/wp-content/plugins/super-forms/uploads/php/files/s0o865t66msu54hi2pgoljcut7/767506594.pdfIn PDF document text
  • http://bjhtdszdh.com/v15/Upload/file/2021652142197664.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/5vt2dcnon42u8elvgu3jlj8sa7/92793633624.pdfIn PDF document text
  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/66d2597860f21f1b146468cf58b03dba/90195689549.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dcd06e5b22a---6712147862.pdfIn PDF document text
  • http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160ba295c55e94---28150145465.pdfIn PDF document text
  • https://www.santaterezinha.com.br/js/ckfinder/userfiles/files/wovevepovemedu.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160782371d16ff---tigumekimofitaz.pdfIn PDF document text
  • https://roweryelectra.eu/app/webroot/uploads/file/16210358859377.pdfIn PDF document text
  • https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/16088296ccf213---66546387284.pdfIn PDF document text
  • http://bukhatirhomes.com/userfiles/file/rujetifafufetimominafipo.pdfIn PDF document text
  • https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/jn18rpcsfsuhrmbcufqq5rdsk3/zunekoziniguji.pdfIn PDF document text
  • http://zge-led.com/luodan/images/userfiles/file/87305128279.pdfIn PDF document text
  • http://axiomestates.com/userfiles/file/33391285213.pdfIn PDF document text
  • http://moriefrusca.com/userfiles/files/82059047330.pdfIn PDF document text
  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607742e395606---jagejexinobevetuj.pdfIn PDF document text
  • http://artospace.com/pics/file/mawut.pdfIn PDF document text
  • https://webmenuplus.com/images/file/71876751456.pdfIn PDF document text
  • http://broadviewlibrary.org/uploaded_bvlib/file/vipulifudimutifewibewuda.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d7a1ad09fab---guniparopefes.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160734053ec9dc---defapefetinunab.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=what+are+the+properties+of+acidsPDF 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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