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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://cructi.ru/uplcv?utm_term=must+have+to+worksheet+pdf PDF link annotation

  • https://ols.lighting/wp-content/plugins/super-forms/uploads/php/files/a6749a36b7c8de2ac092c7a1a8a13fc2/potemilowuvozukiki.pdfIn PDF document text
  • http://katachizu.com/img/news/files/95075567394.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/7edb4cc6fbf28613d0134081af0c345f/ranadadotin.pdfIn PDF document text
  • http://gillsandgeckos.com/userfiles/file/61387033210.pdfIn PDF document text
  • http://chinazzjx.com/d/files/xasowamifo.pdfIn PDF document text
  • http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f98b2a7365---48579524375.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/16076c0060a15d---88825866526.pdfIn PDF document text
  • https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160808b07a304c---79199097941.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081e293a695b---71216667248.pdfIn PDF document text
  • https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/c244477191e67e112d690d59661ae11b/vigowigunuxagazisilu.pdfIn PDF document text
  • https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/4ae1512adf2d19ebb59cf866a7164c87/91290131380.pdfIn PDF document text
  • http://mientrungpetrohotel.com/users/files/kenaperisesijewenefa.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8dbb852c1---wiroluwibesuwisidozejav.pdfIn PDF document text
  • http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098ac630c2fa---47303882130.pdfPDF link annotation
  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/5907458fb82cf2f3eda293b5842b0ec7/13103085218.pdfIn PDF document text
  • https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/d8b1dbb4d6ebcc3a2b424d7c07d78da6/pukujenugakanojekan.pdfIn PDF document text
  • https://gionggiacam.com/ckfinder/userfiles/files/sagesirizixifuzaxa.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text

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