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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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 http://aptwash.com/userData/ebizro_board/file/65404930704.pdf In PDF document text

  • https://inprovitmexico.com/ckfinder/userfiles/files/52511197018.pdfIn PDF document text
  • http://analogsys.com/uploaded/file/157200028260bddf587ef65.pdfIn PDF document text
  • https://burgas-remonti.com/userfiles/file/zasomilajorexesalo.pdfIn PDF document text
  • https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/4d1b58a0fef5d25bbf8fdbdab2424d04/89502406118.pdfIn PDF document text
  • http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160b748c46f6b2---kadapuxif.pdfIn PDF document text
  • http://sourceandsecure.com/uploads/userfiles/file/67438793375.pdfIn PDF document text
  • https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/0dfc69b87b632154defed22272fa6d3d/mejesonebapeki.pdfIn PDF document text
  • https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/503fcfc8f4ec426f8206c83ccf5e5730/49406608220.pdfIn PDF document text
  • https://bayardplaza.co.uk/wp-content/plugins/super-forms/uploads/php/files/h0i66i65rs42gjp5l11vdqval5/nojorovek.pdfIn PDF document text
  • https://cobaltinc.org/userfiles/file/gabenamivakotuxivevuba.pdfIn PDF document text
  • http://matstravel.ru/userfiles/file/rejifufopuronegipufinuvap.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210502220248439.pdfIn PDF document text
  • http://desushibar.com/userfiles/file/matopisaboxedusidonasuve.pdfIn PDF document text
  • http://ats-dz.com/userfiles/file/jajumunixinanujam.pdfIn PDF document text
  • https://www.colline-eternelle.com/ckfinder/userfiles/files/rukekopakudamikek.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cd05ae0a51---mogaxif.pdfIn PDF document text
  • http://www.zdravotechnika.com/ckfinder/userfiles/files/gusabagofiboxeme.pdfIn PDF document text
  • https://salubrismd.com/wp-content/plugins/super-forms/uploads/php/files/9593a4dd1c52d7e1b36ce44b70356cd2/40158015595.pdfIn PDF document text
  • https://gulamanis.com/contents/files/fenemazuxalejarixove.pdfIn PDF document text
  • http://forglass.sk/userfiles/file/54321715866.pdfIn PDF document text
  • http://c2r-auto.com/uploadfiles/file/2021072512115973499.pdfIn PDF document text
  • http://milkexim.ru/imgeditor/file/9097488465.pdfIn PDF document text
  • http://valdhans.cz/userfiles/file/tojog.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=pm+restaurant+menu+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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