Malicious PDF — malware analysis report

Heuristics 6

• 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://charmingcurls.se/upload/file/63517082721.pdf In PDF document text

  • https://ngaa.org.au/application/third_party/ckfinder/userfiles/files/kepajitaxij.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f3e1498c0af---76393552351.pdfIn PDF document text
  • https://najlepsze-w-polsce.pl/uploads/nemapukovepagopepepaf.pdfIn PDF document text
  • http://otevrel.eu/ckfinder/userfiles/files/25658962618.pdfIn PDF document text
  • http://fresh-j.info/images/uploadedimages/file/buvozilosibuvetesuvusifig.pdfIn PDF document text
  • https://airflow-skateboards.com/userfiles/files/66321260623.pdfIn PDF document text
  • https://przyklejki.pl/userfiles/90445501964.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081a9bbed1ae---suvopepotegogudesuvez.pdfIn PDF document text
  • http://maksimetall.ru/files/92562257294.pdfIn PDF document text
  • http://osoboebludo.com/ckfinder/userfiles/files/nexonosiwanibibujaf.pdfIn PDF document text
  • http://ddservice-bmw.pl/userfiles/file/tonuwofopi.pdfIn PDF document text
  • http://beiks.info/public/file/xojopefifiwepetavunepez.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160d24baf2a579---66881375176.pdfIn PDF document text
  • https://glbtrader.com/userfiles/file/52464889017.pdfIn PDF document text
  • https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/ed3a4uo3bkum2fkqrgq5253mvr/33512600160.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608c236646fec---kenax.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/ad32913a247d44408ed9d27513957fe5/9478463591.pdfIn PDF document text
  • https://wavesmaroochydore.com/wp-content/plugins/super-forms/uploads/php/files/kbr05fb3h24u4vb8tsvrujbcjd/gupexiviruwexin.pdfIn PDF document text
  • http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bfa0920f79---84957601456.pdfIn PDF document text
  • http://dailitara.lt/bites/uploads/file/kuwasixo.pdfIn PDF document text
  • https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/f1d5df2264b949c36f956b5925978a11/doxeridofusa.pdfIn PDF document text
  • http://vimbark.sk/editor_uploads/files/18059475041.pdfIn PDF document text
  • http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091a84fdbdc7---tipifufemepez.pdfIn PDF document text
  • https://ngaa.org.au/appIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=bollywood+songs+tunes+mp3+free+downloadPDF 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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