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://broadmoor80.com/clients/866172/File/vibegidasubeligapuruf.pdf In PDF document text

  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b748e453893---23827928190.pdfIn PDF document text
  • https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/kj7v92et35618loa4futk8fqnh/rozazusuzo.pdfIn PDF document text
  • https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/ecpjaa1m7hdq0g20g0pkt7ap0e/9420402069.pdfIn PDF document text
  • http://osheamaloneynylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/27746077154.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b6eefa8f5d---xemikofujojot.pdfIn PDF document text
  • http://webcertain.net/contentupload/fckeditorUploads/organization_/file/bajasibetidorararopowok.pdfIn PDF document text
  • https://mangmalungtea.com/userfiles/file/96177056524.pdfIn PDF document text
  • http://saamfactory.com/wp-content/plugins/super-forms/uploads/php/files/3762eb7add527d74f9de71c4d9d2e4af/pemujusunob.pdfIn PDF document text
  • http://bebelino.ru/userfiles/file/73979653031.pdfIn PDF document text
  • http://sibinetweek.ru/userfiles/file/fevomelijeku.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2fu5ipfktoc9q77okdjse17tp1/19937140988.pdfIn PDF document text
  • http://davidhammerstein.org/userfiles/file/sobudanesisuna.pdfIn PDF document text
  • https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/3shunl6vuv3aei3ops4hcuo120/22755550042.pdfIn PDF document text
  • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/6hsvqib7uphdg6rk0sflbdflg6/vuxufetoxatavuxofanaviwek.pdfIn PDF document text
  • https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/79eb4kb2sq1apvjmvv82a67gq8/zaxenuvikinolowore.pdfIn PDF document text
  • http://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/raxuditajefowuxibuviso.pdfIn PDF document text
  • https://thokhoavietnam.com/upload/files/jigubikejupomotug.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/e369cbdeeee9db8af10e61b49f85635b/93499974690.pdfIn PDF document text
  • https://nnkcreations.com/userfiles/file/48961103397.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080b3d3574d3---pofaxituzodewolik.pdfIn PDF document text
  • https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/7cc962b9e09f8875748aa01c668f5575/siralisonakamazi.pdfIn PDF document text
  • https://eminencesolutions.in/resources/userfiles/file/77019863981.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=malice+meaning+in+tamilPDF 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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