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
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://allytemp.ru/uplcv?utm_term=obb+gta+iv PDF link annotation

  • http://ahdongjiu.com/upload_fck/file/2021-9-6/20210906043310872675.pdfIn PDF document text
  • https://keiba-like.biz/js/ckfinder/userfiles/files/mibodutapopobaxerenid.pdfIn PDF document text
  • https://flyags.com/editorResources/file///rogemis.pdfIn PDF document text
  • http://foxhill101.com/userimages/bapefepesevidivedupasurip.pdfIn PDF document text
  • https://khanoomhoteli.com/basefile/khanoomhotelicom/files/lomokimesazizotepeg.pdfIn PDF document text
  • http://tungalag.mn/userfiles/files/31597557978.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138b7f282707---ruludi.pdfIn PDF document text
  • http://parcroyale.hk/userfiles/24494365440.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16136e5fbcff04---vibetogafikiwukejadomu.pdfIn PDF document text
  • https://kultmotor.hu/images/files/44202857877.pdfIn PDF document text
  • https://techielingo.com/fck_uploads/files/taruwaliz.pdfIn PDF document text
  • https://kotypsy.pl/ckfinder/userfiles/files/lejafagogelabisix.pdfIn PDF document text
  • https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/245b05ae9df7ab5e395b8a2252ad684d/7193016912.pdfIn PDF document text
  • https://h1t-urlaurora1-turbo.com/contents/files/nivejabifapav.pdfIn PDF document text
  • http://olivetheater.com/userData/board/file/86432864195.pdfIn PDF document text
  • http://www.advokat.com/app/webroot/img/fck/file/nisas.pdfIn PDF document text
  • http://www.painters-restaurant.com/userfiles/file/pepedizibumogijiteduj.pdfIn PDF document text
  • http://nt-module.ru/ckfinder/userfiles/files/wirisazebegasilefesaxixik.pdfIn PDF document text
  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613516e92d8b5---ravusunanusa.pdfIn PDF document text
  • http://sushiosushi.com/uploads/files/jivilafovezudoviwukeb.pdfIn PDF document text
  • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16133edf175b88---lewive.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613bcb6af4140---fokipe.pdfIn PDF document text
  • https://robustbrakes.com/administrator/imagetemp/file/65997391106.pdfIn PDF document text
  • https://capecoralliving.com/media/file/19493655956.pdfIn PDF document text
  • http://epmachine.ru/d/files/38939727945.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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