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
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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 https://vietucmould.com/img-vietuc/files/11308342541.pdf In PDF document text

  • https://drticket.ir/basefile/drtiketcom/files/kotoxapawowaf.pdfIn PDF document text
  • https://cqc-material.com/app/webroot/userfiles/files/15323029418.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136050b3837e---45747771338.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613552f21bfd6---lomolawe.pdfIn PDF document text
  • https://lemarko.com/userfiles/file/67741885433.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16144cb197d933---29821396524.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/ce7e1531f41ea7a68b6ecd0adc97152e/femawitakugawos.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/83516233737.pdfIn PDF document text
  • http://scea.edu.mn/ckfinder/userfiles/files/12580078588.pdfIn PDF document text
  • https://jasz-pap.hu/UserFiles/file/8987584293.pdfIn macro / runtime command snippet
  • https://frontiermyanmar.com/sites/all/libraries/ckfinder/userfiles/files/redelavajuxafenutefu.pdfIn PDF document text
  • http://dotacjedlaoze.pl/userfiles/file/31637996538.pdfIn PDF document text
  • http://www.pro9apps.com/app/webroot/files/uploadimagesfile/gomug.pdfIn PDF document text
  • https://anne-berger.de/sites/anne-berger.de/files/fkcfile/60805935206.pdfIn PDF document text
  • http://alltechsro.cz/files/68520359149.pdfIn PDF document text
  • https://markyatirim.com/resimler/files/xotasevakemubepigew.pdfIn PDF document text
  • http://xn--b1amishc2fb.xn--p1ai/ckfinder/userfiles/files/64559899737.pdfIn PDF document text
  • http://sccsfz.org/upload/2021-09/55234697061.pdfIn PDF document text
  • https://hzautomatisering.nl/userfiles/file/36792630505.pdfIn PDF document text
  • http://cukrarska-vyroba.cz/UserFiles/File/vuvebimenaxiraz.pdfIn PDF document text
  • http://smsalumni1971.com/apadmin/uploads/userfiles/files/26225085963.pdfIn PDF document text
  • http://konemara.hu/userfiles/file/pinerilolejabimumor.pdfIn PDF document text
  • http://marketingnews.fr/images/file/jivobuwede.pdfIn PDF document text
  • http://graphicyazd.com/ckfinder/userfiles/files/68551574602.pdfIn PDF document text
  • http://strap.sk/uploads/files/5688206523.pdfIn PDF document text
  • http://scea.edu.mn/ckfiIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=best+playstation+2+emulator+androidPDF 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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