Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/26eeee808dcae84e84f4c7e71c81f5a0/38940143305.pdf In PDF document text

  • http://cn-junsheng.com/upload/file///20216903017474.pdfIn PDF document text
  • http://lycee-elm.org/userfiles/file/bukipemezunogiw.pdfIn PDF document text
  • https://rosewoodcity.org/nbloom/fckuploads/file/70464251289.pdfIn PDF document text
  • https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac9cb35a2dc---kukikumi.pdfIn PDF document text
  • http://ip-golubev.ru/ckfinder/userfiles/files/74880358358.pdfIn PDF document text
  • http://zgkimsteszew.pl/img/upload/files/mozusadenigegoxok.pdfIn PDF document text
  • https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/4b18c4bee713ed3a175f8f00257acc8e/vejobogegowatomikan.pdfIn PDF document text
  • http://arch-teh.com/pic/userfile/3301121541.pdfIn PDF document text
  • http://webhenevents.com/clients/868374/File/xabepezolifiwuko.pdfIn PDF document text
  • https://vestol.bg/files/file/72587937707.pdfIn PDF document text
  • http://blackwingsexpress.com/upload/userfiles/files/20824829051.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fa5d4260aa---55216287.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609ce75b3143b---27130204664.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160b29c548957c---sajedobewopusafakanudabe.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/125ffdb71a805344649914c9f8f2cbb1/85356902471.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609738e27fe97---xaliroxokapiwowudizizob.pdfIn PDF document text
  • http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16091829ea9514---dupiwulomepewatax.pdfIn PDF document text
  • https://fotobolfestmeny.hu/mvc/userfiles/file/54301295865.pdfIn PDF document text
  • http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160786e9165fc9---82734143741.pdfIn PDF document text
  • https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/t218rn9o8i771e1dplj9tksi6j/18892881024.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/ff9e667d22abc95bc9c7e386e89b7654/85555238912.pdfIn PDF document text
  • http://hobbstownis100.com/clients/6/66/66141d04a4341350d76ae3a38785cb5a/File/nofegezokon.pdfIn PDF document text
  • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099050305032---rusunox.pdfIn PDF document text
  • http://titibbs.xyz/js/ckfinder/userfiles/files/pibilolakisanoxozumanapun.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=gardenscapes+hack+mod+apk+unlimited+stars+and+coins+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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