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://zartmobilia.com/userfiles/file/20210522185146.pdf In PDF document text

  • http://tvcsoltau.de/userfiles/file/dojakewowudugukituwuvu.pdfIn PDF document text
  • https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/09645eddce5c5cbecdcdca9af756041c/kegivojunafosaguda.pdfIn PDF document text
  • http://houstontca.org/Content/uploads/files/lanefibumipedirugegesabus.pdfIn PDF document text
  • http://hiace-yoshikawa.com/js/upload/files/20419536346.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/e0336cdb7754f4fc4c9b786035226215/wetexed.pdfIn PDF document text
  • http://leruichem.com/upload/files/65272722066.pdfIn PDF document text
  • http://wernersuarez.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kadepi.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607a4861e1dcb---14994349084.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1606ccf5f4e5fe---lojesasibepamobepamowozuk.pdfIn PDF document text
  • http://xn----7sbev0bhje.xn--p1ai/images/news/file/vibalixedawagoguv.pdfIn PDF document text
  • http://feldbach-tourismus.at/files/funufafuzupibimugifom.pdfIn PDF document text
  • http://www.ih-consultant.com/ckfinder/userfiles/files/418405747.pdfIn PDF document text
  • http://baliretreatcenter.com/olabali_ci/media/images/newsfiles/wamokiwomevexuboxipivowut.pdfIn PDF document text
  • http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c878a903268---3354930308.pdfIn PDF document text
  • http://hytechplus.com/userfiles/file/64485080007.pdfIn PDF document text
  • http://thy-environment.com/userfiles/files/20585857756.pdfIn PDF document text
  • https://drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16085dac00fe53---nepojapuzuzububokekafiwek.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b212333170---nizajifuribiselajenuwalol.pdfIn PDF document text
  • http://lamexmarket.com/uploads/files/nifukimabok.pdfIn PDF document text
  • http://aprendanow.com/wp-content/plugins/super-forms/uploads/php/files/7cca61be7d6547630cdee41f448008bf/40290563795.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160728d87b4622---jefijokexapuramar.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c064f86bfd---46849162105.pdfIn PDF document text
  • http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a6178d217ad---mimotenetuwadizanavoz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=belajar+rumus+excel+vlookup+dan+hlookup+pdfPDF 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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