Malicious PDF — malware analysis report

Heuristics 5

• 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.
• 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 https://crewmak.ru/uplcv?utm_term=payroll+management+system+report+pdf PDF link annotation

  • https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/280746f5d62592fd80b7603024805754/nomija.pdfIn PDF document text
  • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/11qiutoj682s1jnmv5cmc040gp/kasogod.pdfIn PDF document text
  • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/77a958d50209c0510e43d2214eeb217e/76874921679.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ff7c2bfcce---rodaloxijemarezul.pdfIn PDF document text
  • http://premium-h.info/files/files/90702600415.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609671b747fbf---67667807358.pdfIn PDF document text
  • https://ka-base.no/images_content/file/sosad.pdfIn PDF document text
  • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b30ea440ba4---mufamibikir.pdfIn PDF document text
  • http://billsky.ee/files/file/didezonad.pdfIn PDF document text
  • http://xboxheerlen.nl/userfiles/file/mozuxuxufizijopejuwixo.pdfIn PDF document text
  • http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608cae723ae95---ponab.pdfIn PDF document text
  • http://hanhthien.net/uploads/file/61879336673.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/33a83342a4c3cd5db18155caab8f59b6/93468404137.pdfIn PDF document text
  • http://the-bom.kr/upfile/files/lujilapej.pdfIn PDF document text
  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607334281effc---30792466958.pdfIn PDF document text
  • https://psystat.net/candyticket/uploads/page_images/files/13498668743.pdfIn PDF document text
  • https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/d31e471ce6bdc9f1f2b4567e8e0023fa/37132191778.pdfIn PDF document text
  • http://poltinka.ru/userfiles/file/20053696656.pdfIn PDF document text
  • https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/fs2h6sirhmm3ma1grepm2d2cv0/96466358864.pdfIn PDF document text
  • http://ibshop.gr/uploads/_uploads/files/sokipuxuk.pdfIn PDF document text
  • http://litho-and-co.fr/ckeditor/upload/files/87788735458.pdfIn PDF document text
  • https://cvconstructionsgoa.com/pharma/admin/userfiles/file/14878959615.pdfIn PDF document text
  • https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/7004f0122b5f7f323222067841760de5/barelaxe.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d5bd634229d8f353e22a1af72701eacf/48054339878.pdfIn PDF document text
  • http://www.aportecnica.com/imagenes/editor/file/64982803677.pdfIn PDF document text
  • 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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