Malicious PDF — malware analysis report

Heuristics 7

• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• 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://moreit.ch/productinfo/file/28438998728.pdf In PDF document text

  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ed2516e6b5a---59566851005.pdfIn PDF document text
  • http://npi-management.org/ressource/site-image/files/6941329071.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3124c69c89---pusisireneb.pdfIn PDF document text
  • http://adveotec.com/img/file/7981785219.pdfIn PDF document text
  • http://wordtmann.beckbauer.eu/ckfinder/userfiles/files/79349890943.pdfIn PDF document text
  • https://coopinproject.eu/ckfinder/userfiles/files/digewenominoku.pdfIn PDF document text
  • http://greece-ex.com/images/blog/file/49844863795.pdfIn PDF document text
  • http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/etgdr64k4g7ve896eg33b4iri1/54313822356.pdfIn PDF document text
  • http://www.prodomasa.com/ckfinder/userfiles/files/15608111029.pdfIn PDF document text
  • http://girlstown.org/files/js/ckfinder/userfiles/files/38850155126.pdfIn PDF document text
  • http://aliglobshop.com/userfiles/file/60652983731.pdfIn PDF document text
  • http://pizzeria-millemiglia.de/app/webroot/img/editor/file/34539319746.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/q54u7rmut1lhkld3vfjojr8e0k/fewiwisurijapipina.pdfIn PDF document text
  • http://www.irrv.org/uploads/files/16145138814.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/pmj2k8gfq0714jm2v2obtkrsf1/29738106687.pdfIn PDF document text
  • https://rintrans.com/files/wepisiwevosugafanetem.pdfIn PDF document text
  • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607aeb1688a23---ravuworizofapifivoger.pdfIn PDF document text
  • https://nguoixunghekiev.vn/userfiles/file/wilurarenuwipoge.pdfIn PDF document text
  • http://abogarestudio.com/userfiles/file/91685284122.pdfIn PDF document text
  • https://kar360.com/resimler/files/31880710341.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/7c4b5d16f135863f4c605e9dfd5bfe32/lidiwoloviritijoki.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4c8ae99ea0---fawadumutikoluxibenave.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9470d6a77---23992468889.pdfIn PDF document text
  • http://baggiez.net/userfiles/file/99123356659.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=concluding+sentence+worksheet+high+schoolPDF 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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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