Malicious PDF — malware analysis report

Heuristics 6

• 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://bestbelly.org/content/files/files/53908402456.pdf In PDF document text

  • http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8f4d15022---zedagaba.pdfIn PDF document text
  • http://ajivikafinance.com/userfiles/file/67822467405.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16084870f2897d---54262780242.pdfIn PDF document text
  • http://albino-pitti.com/pub_img/file/41277531695.pdfIn PDF document text
  • https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607bfc1cc15ec---xidojetapubenejazuz.pdfIn PDF document text
  • https://autoteam.in/ckfinder/userfiles/files/mobozozemerilidupin.pdfIn PDF document text
  • http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16093d4218bc7c---82820980618.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1609982d957925---70048197219.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/8tbvojr2i2v6lqapiajs2n9ai6/83754647738.pdfIn PDF document text
  • http://benardoutlite.com/admin/fckeditor/fckdata/file/95203618049.pdfIn PDF document text
  • https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607da218597a3---najibimidefamisiwub.pdfIn PDF document text
  • https://imahima.xyz/js/ckfinder/userfiles/files/85788539193.pdfIn PDF document text
  • http://a2itsolutions.com/chop/multimedia/userfiles/file/10930292114.pdfIn PDF document text
  • https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba129b62335---belikalemefuzisexid.pdfIn PDF document text
  • https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/3db8f7cb7131fe4d5dc21a5eca47b9db/78886070022.pdfIn PDF document text
  • http://perles-del-beya.com/userfiles/file/99088752274.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607a23cbd3a00---88368077006.pdfIn PDF document text
  • https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/39f6c17c55568ad579561a2d213d802c/pexaxanegaziporefuf.pdfIn PDF document text
  • http://emeraldcovepartners.com/_data/images/file/lolakegujopijuran.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3b254571e---vugipisegomerowamiwotaxo.pdfIn PDF document text
  • https://ymvii.com/admin/upload/files/14326781496.pdfIn PDF document text
  • https://cmoretv.com/userfiles/70882543083.pdfIn PDF document text
  • https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/cde133a96fa7f46c0825a70b52cbcf64/zoderebeji.pdfIn PDF document text
  • https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/mga34lkj153vic4eh70lo8t875/79538191136.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=top+of+the+list+meaningPDF 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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