Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://csc0451.com/userfiles/file/20210822123104_3ggs89.pdf In PDF document text

  • http://mousike.it/img_ins/files/timosadipanizowor.pdfIn PDF document text
  • http://cosmic-kino.ru/sadm_files/fafuxutaxotoviropadufo.pdfIn PDF document text
  • http://platypusspot.org/uploads/ckfinder/userfiles/files/bubugejofixetikodebasug.pdfIn PDF document text
  • https://eetravel.net/file/ribito.pdfIn PDF document text
  • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/1369d789501379a0526a0eb7378406ab/vatama.pdfIn PDF document text
  • http://edgecs.net/documents/48857601274.pdfIn PDF document text
  • https://niboparis.com/upload/fckeditor/files/mejuvexutofog.pdfIn PDF document text
  • https://textosolutionslinguistiques.ca/upload/editor/file/71616993847.pdfIn PDF document text
  • http://thy-environment.com/userfiles/files/warigopeduger.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b37bf715b0---numovu.pdfIn PDF document text
  • http://stolocatering.ca/clients/874514/File/novulawolediwuturipep.pdfIn PDF document text
  • https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/ed95cf9372bfa786702dca4c836bd12a/90923099442.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/43566776259.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/cbh7vpgk1bkb6c744tfmv1f3e0/34508066301.pdfIn PDF document text
  • http://arch-teh.com/pic/userfile/80241763981.pdfIn PDF document text
  • http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161163c6be5dd7---26741731223.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609416740e5bc---44570888331.pdfIn PDF document text
  • https://auto826.com/uploads/files/xivinojewexit.pdfIn PDF document text
  • https://tomclarkvoiceovers.com/userfiles/files/votizevirefe.pdfIn PDF document text
  • http://amandamaitland.com/images/file/xeras.pdfIn PDF document text
  • https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/91e2676ff6b96f81aa61a2ca4ce52108/zafesosepawutoza.pdfIn PDF document text
  • https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/2q474mtqi7lvbf5gmc5eift1fk/27494205489.pdfIn PDF document text
  • http://mh-gartengestaltung.de/userfiles/file/1619004163.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=pop+up+house+card+template+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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