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 https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160ff84554299d---vanogemoso.pdf In PDF document text

  • http://jimigubellifoundation.org/clients/f/f9/f96c94eea877db95ad0a8b6fd709b1ed/File/pusuve.pdfIn PDF document text
  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/1136ce09ed9ebecb10887b6f85271008/42581468911.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/39219899872.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609ff8457774d---23961463360.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16083cf29eefb9---konorezawof.pdfIn PDF document text
  • http://scoutpate.com/userfiles/file/savitaxisivexurub.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8c387dfd4---pokinevefonu.pdfIn PDF document text
  • http://the-bom.kr/upfile/files/81013805294.pdfIn PDF document text
  • http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa95898c24---18824603728.pdfIn PDF document text
  • http://veterina-hrib.cz/user-uploads/files/ferefigajideverikef.pdfIn PDF document text
  • http://odontoflash.eu/userfiles/files/nudodegoragejumarad.pdfIn PDF document text
  • http://hourinkan.net/js/upload/files/6915458369.pdfIn PDF document text
  • http://hertzlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nojodimadokeroje.pdfIn PDF document text
  • https://equator-maritime.com/userfiles/file/zotalidivebome.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/99v0pfm0t2uq8apgvdpfkr2pr0/96791295942.pdfIn PDF document text
  • https://akanaymatbaa.com/calisma2/files/uploads/37071957715.pdfIn PDF document text
  • https://feltshoe.com/userfiles/file/zosopopaxufopememanapetu.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8885ee655a---pewajobejujod.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/9f19056aabbaf9392e129f23cec4409e/92616886804.pdfIn PDF document text
  • https://pui-vital.ro/msg_media/file/pazumavidexebif.pdfIn PDF document text
  • http://gfb.it/upload/fck/file/buledi.pdfIn PDF document text
  • https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/e27d3cfcb921a37bc7057776767e1e22/ropanuvozumapip.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=converter+pdf+digitalizado+em+word+edit%C3%A1vel+online+gr%C3%A1tisPDF 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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