Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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://debandhelder.nl/ckfinder/userfiles/files/15641157760.pdf In PDF document text

  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/hgg8ll2irs9nfaq682r61d90sa/38928573909.pdfIn PDF document text
  • http://birnagarcollege.in/userfiles/file/36954853586.pdfIn PDF document text
  • http://antonioruizabogados.es/userfiles/file/24519466896.pdfIn PDF document text
  • https://nepalonlineexam.tisaracademy.com/userfiles/files/13601249597.pdfIn PDF document text
  • http://watthaistuttgart.de/userfiles/file/zusidafowefumasulel.pdfIn PDF document text
  • http://villa-carlshorst.de/sites/default/files/file/xenurisuwukelo.pdfIn PDF document text
  • http://csc0512.com/userfiles/file/20210716173017_ci4m4g.pdfIn PDF document text
  • https://living-stone.lu/userfiles/files/fafewujamazukazoguroru.pdfIn PDF document text
  • http://esistore.be/userfiles/file/10239816639.pdfIn PDF document text
  • https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/753e55415d91b80645021ab8564b0382/xasiwiduvuxolumulitemiva.pdfIn PDF document text
  • https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/cee1bac5ded8e775565f1c3698a9e345/bapojomif.pdfIn PDF document text
  • http://shepardinteriordesign.com/rw/upload/file/tuwatareladiloda.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be242212fd0---dexaduwejuvu.pdfIn PDF document text
  • https://oncallanatomist.com/ckfinder/userfiles/files/32715117484.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/18765989975.pdfIn PDF document text
  • http://geoman.cz/data/file/84888388153.pdfIn PDF document text
  • http://parbatsamajjapan.com/img/files/files/pibuxuv.pdfIn macro / runtime command snippet
  • https://xanbiente.de/userfiles/file/49232924538.pdfIn macro / runtime command snippet
  • https://parc-hotel.info/file/zidavupoporedal.pdfIn PDF document text
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1609abca19b550---rifubidegotozedek.pdfIn PDF document text
  • https://postelezmasivu-zlin.cz/ckfinder/userfiles/files/94055467332.pdfIn PDF document text
  • http://geoman.cz/data/fIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=precalculus+graphical+numerical+algebraic+7th+edition+textbook+pdf+answersPDF 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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