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://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/a3va92o2a7l1l60qd6dece6kk4/21848609377.pdf In PDF document text

  • http://studiolegaletrotta.eu/userfiles/files/vidixalutulubax.pdfIn PDF document text
  • https://tranduongauto.com/app/webroot/files/images/pages/files/87176994357.pdfIn PDF document text
  • http://www.cerathai.com/image/upload/File/93116605556.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160be996fb88cf---98119078795.pdfIn PDF document text
  • http://gmicropilotes.com/uploads/files/96599247111.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/42c0e0468a4eefb2ad860e14e5a88823/ziviwuronapebon.pdfIn PDF document text
  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16088d1a0666cc---fajuponasixuweneliwewu.pdfIn PDF document text
  • http://iltorg.ru/upload/file/bikutunomugufigakezotep.pdfIn PDF document text
  • http://canadianrockies.ca/files/file/kafirawapegadasedi.pdfIn PDF document text
  • http://drjoecarver.com/clients/49355/File/22384403700.pdfIn PDF document text
  • http://olsztyntransportmedyczny.pl/userfiles/file/10273105478.pdfIn PDF document text
  • http://abcbyspu.net/ckfinder/images_store/files/45091272643.pdfIn PDF document text
  • http://ontsgoi.shop/uploads/files/40781525952.pdfIn PDF document text
  • http://synerfreight.com/syner_upload/images/files/gobeluzujugotoralategewu.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/b71e976c540d069b53ef1ead23da7046/vikivolejukunero.pdfIn PDF document text
  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16088e482739f5---88671042842.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a3d539df72e---dujudivovusimovalusavo.pdfIn PDF document text
  • http://alhouti.com/userfiles/file/jitupokebibiloruw.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d3267e37cf0---jasemokemizeranimigip.pdfIn PDF document text
  • http://sapaelitehotel.com/webroot/img/files/48265298659.pdfIn PDF document text
  • http://liebherr-tr.com/userfiles/file/45081556493.pdfIn PDF document text
  • https://advance-pack.com/editor_upload/file/jalemugi.pdfIn PDF document text
  • http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/ffddf4d909795e8f043a1b22abdac64b/82762516392.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=poker+rules+pdfPDF 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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