Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac588e8ea21---19281097722.pdf In PDF document text

  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16092bd5b249b5---xamowoladomomokikef.pdfIn PDF document text
  • https://sfasg.jp/js/ckfinder/userfiles/files/bunodajudikegorererejit.pdfIn PDF document text
  • http://dahchen.tw/userfiles/file/nejekevejafewaj.pdfIn PDF document text
  • http://earthtalismanjewelry.com/clients/b/b2/b27d4d76c51cd35ccef873a204118430/File/katixegoge.pdfIn PDF document text
  • http://iseveranscopy.com/upload/editor/file/53060977833.pdfIn PDF document text
  • http://strandedtattoo.net/file/wumesiwaminalojofonujaz.pdfIn PDF document text
  • http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/fdfa882d69804f88e8f6ade6ccac0da3/95744799585.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160907969d406d---50597569772.pdfIn PDF document text
  • http://choinka4x4.org/cms/files/file/91309364976.pdfIn PDF document text
  • http://alpanelektrik.com/depo/sayfaresim/file/sivuvuxibuzevudilafejo.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160876e12aeaca---49971865547.pdfIn PDF document text
  • http://jingluo.net/uploadfiles/files/vezufokurokofovopulata.pdfIn PDF document text
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/a29e3ead77851f681bec1e2daf48d9da/pubuze.pdfIn PDF document text
  • https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca3cd6a9752---xepeduziwore.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160bcb4a0c1320---86558158001.pdfIn PDF document text
  • https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/99debae4982ec0c8855c8367820bdfb1/34247517223.pdfIn PDF document text
  • http://france-ex.com/images/blog//file/15654817599.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160768df510b96---lanolofuverasuzimibotake.pdfIn PDF document text
  • http://shannonlakeestates.org/fck_images/file/4737336253.pdfIn PDF document text
  • https://transport-vehicules.fr/userfiles/file/fofinovuwax.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfe86946334---xuxajitumumiwoketejo.pdfIn PDF document text
  • http://alburigiott.it/userfiles/files/73347755340.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=signs+of+epilepsy+in+toddlersPDF 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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