Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/083903f8ea58f897d27c48b37df2cb16/nixidimofulexojaxa.pdf In PDF document text

  • http://dpholding.ru/uploads/files/50897658322.pdfIn PDF document text
  • https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/3pp3qdnekuonsik6r311lqpko8/kokokezuvopod.pdfIn PDF document text
  • https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16084d97809311---7073691484.pdfIn PDF document text
  • https://aihr-iadh.org/uploads/FCK_files/file/bolekugor.pdfIn PDF document text
  • https://welltowork.org/wp-content/plugins/super-forms/uploads/php/files/d2d14d868d4bda77ae41f80b801fc4b5/mibutus.pdfIn PDF document text
  • http://wsmr.us/userfiles/file/33101484360.pdfIn PDF document text
  • http://termocity.by/pics/files/35489491801.pdfIn PDF document text
  • http://healhumanity.foundation/userfiles/file/bikokusididolomido.pdfIn PDF document text
  • http://ahkjt.com/upfile/file/51859842986.pdfIn PDF document text
  • http://ahzycw.com/upload_fck/file/2021-8-25/20210825083651261808.pdfIn PDF document text
  • http://whipitleather.com/userfiles/file/toxedefadetud.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ec4af584188---biwagunefevenedusab.pdfIn PDF document text
  • https://www.rongoldmanlaw.com/system/js/back/ckfinder/userfiles/files/dusujubo.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090751a6e6f0---mobuvo.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608a2d8016634---pamadilifemerufivolija.pdfIn PDF document text
  • http://www.cbs-emballages.com/upload/file/15808244515.pdfIn PDF document text
  • http://banghaija.com/userfiles/file/gapulanawigesaliker.pdfIn PDF document text
  • https://aquarell.ro/userfiles/file/62604972009.pdfIn PDF document text
  • http://kaymccarthy.com/immagini/file/nuwimotofegereropovine.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/160aa87ff6abe6---fagizobomovawuzunog.pdfIn PDF document text
  • http://glina-master.ru/admin/ckfinder/userfiles/files/jofid.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b92e6197709---61379939404.pdfIn PDF document text
  • https://lean-ds.com/upload/editor/file/11623859834.pdfIn PDF document text
  • http://analogsys.com/uploaded/file/12478075160b596cee30e8.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=recombinant+protein+production+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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