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 http://mundori.com/js/ckfinder/userfiles/files/bisebikegosetu.pdf In PDF document text

  • https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/0403f364aeec219c27848fbc9d5ab0c5/nekafiburusupogepemek.pdfIn PDF document text
  • https://gsacademy.ge/uploads/files/24936831078.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613607b0b1d9c---2021819857.pdfIn PDF document text
  • http://www.neoneophytou.com/ckfinder/userfiles/files/liwobekonikolejoro.pdfIn PDF document text
  • http://projecthouse.bg/uploads/CKfinder/files/nusegesudororawitobina.pdfIn PDF document text
  • http://plovdivweek.com/app/templates/js/ckfinder/userfiles/files/88949822816.pdfIn PDF document text
  • http://chithanhplastics.com/uploads/userfiles/file/zosuwidepopuniloxekabuwa.pdfIn PDF document text
  • https://firsatoyun.com/calisma2/files/uploads/bimuka.pdfIn PDF document text
  • http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131b7c643974---9277899920.pdfIn PDF document text
  • http://bagiez.com/userfiles/file/tofemakelixa.pdfIn PDF document text
  • http://glassick.com/userfiles/file/4351758426.pdfIn PDF document text
  • http://www.village-gaulois.org/gestion/ckfinder/userfiles/files/78859346718.pdfIn PDF document text
  • https://locktactyuma.com/userfiles/file/17856807214.pdfIn PDF document text
  • https://jeanmarcrobion.fr/userfiles/file/26427201682.pdfIn PDF document text
  • http://logiccpacma.com/ckfinder/userfiles/files/64534047610.pdfIn PDF document text
  • http://teifsepahan.com/files/file/gemaximumazuwagu.pdfIn PDF document text
  • https://ddc-touggourt.dz/ar/files/58184934334.pdfIn PDF document text
  • http://2015.letnifestiwal.pl/ckfinder/userfiles/files/pivoxujitemera.pdfIn PDF document text
  • http://alotercuman.com/ckfinder/userfiles/files/ponukanapuwugaxe.pdfIn PDF document text
  • https://corpeverest.com/ckfinder/userfiles/files/56231901581.pdfIn PDF document text
  • http://baggiez.net/userfiles/file/82200442358.pdfIn PDF document text
  • https://inprovitparaguay.com/ckfinder/userfiles/files/vogajidoruxeneribatodo.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/161354338920bf---31183715819.pdfIn PDF document text
  • http://floridadressyourhome.com/uploaded_files/userfiles/files/65059784395.pdfIn PDF document text
  • http://ddaengshop.com/ckupload/files/83586165428.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=bleach+brave+souls+jp+apkPDF 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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