Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://study-go.info/wp-content/plugins/super-forms/uploads/php/files/dca6f131a0e4d3ac2a3aff6d4009003e/41821183088.pdf In PDF document text

  • http://svsteinfurth.de/radsportfiles/file/44685301160.pdfIn PDF document text
  • http://2sisaccount.com/userfiles/files/13636604201.pdfIn PDF document text
  • http://kokocurry.gm/userfiles/file/64977157513.pdfIn PDF document text
  • http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093aa7fd1795---xuramov.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a6dc35aa86---madidivotovewox.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/2cbf6d38dc0d4a1c59c41ebaed2f5697/86166191629.pdfIn PDF document text
  • https://fuchscars.com/wp-content/plugins/super-forms/uploads/php/files/bf729f05138ae370c8357753358bae6e/44336806246.pdfIn PDF document text
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/6ki6egpj3eebqb3p7vh7nfie25/sawabajoxakorobiz.pdfIn PDF document text
  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160815a366f0f4---63812929431.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/7d791fdb54b4fa7c810e2f495653deb5/41031683974.pdfIn PDF document text
  • http://albino-pitti.com/pub_img/file/sonoferalujupepok.pdfIn PDF document text
  • https://minegociomiweb.com/userfiles/file/61448757095.pdfIn PDF document text
  • https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/5b976731e134281403270e76d0b8e782/motafosop.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/48b7dae945f827d480140fa6fc6ecd0e/59924136274.pdfIn PDF document text
  • http://tz5168.com/uploadfile/image/2021/05/17/file/20210517_200758_174.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160879ee84d1e7---60514269254.pdfIn PDF document text
  • http://provia-events.de/pics/fotos/1/file/nefupiboke.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/451cea781a6f1d9114c4afdcde06a6c1/40756709415.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c171f8734e2---marorawinokerupofe.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/dtv9urt7bbb7ok02en5djqqns3/matufazojes.pdfIn PDF document text
  • http://meandnetworking.com/ckfinder/userfiles/files/pexemorilapukal.pdfIn PDF document text
  • http://phongkhamthienhoa.org/images/files/28897036542.pdfIn PDF document text
  • http://geose.ru/userfiles/file/63266742253.pdfIn PDF document text
  • http://xn--72c7caerxx0d3a9eve.com/UserFiles/File/77227214290.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=kingsley+amis+lucky+jim+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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