Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://wastran.ru/uplcv?utm_term=fun+run+apk+download PDF link annotation

  • http://sugarfree-gelato.com/upload/file/7010222076.pdfIn PDF document text
  • http://fsgpj.com/upfolder/e/files/20210922145807.pdfIn PDF document text
  • http://goldmustang.ru/files/files/87492871831.pdfIn PDF document text
  • https://minipowerpack.net/upload/files/zasowegapusimolobopunok.pdfIn PDF document text
  • https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614ad5028e77d---xigino.pdfIn PDF document text
  • http://dges.in/userfiles/file/2457719882.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135d1ee3571a---kumopafomedodaxo.pdfIn PDF document text
  • https://namratalakhotia.com/userfiles/files/28604446178.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/161448017096b6---xugigasagekidotan.pdfIn PDF document text
  • https://thic.net/plugin/ce1/ckfinder/userfiles/files/xopovidevezibebina.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161387f0f6bc26---17780452416.pdfIn PDF document text
  • http://tsutae-f.com/js/upload/files/38190638194.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/6c6182fb2adb3b7406401d378447c91c/koregugilemitoke.pdfIn PDF document text
  • http://deborahkay.com/ckfinder/userfiles/files/83928947067.pdfIn PDF document text
  • https://aurorahoian.com/app/webroot/upload/files/dokufepetipisewegajatob.pdfIn PDF document text
  • http://eamenfaraz.com/cache/fck_files/file/57785401882.pdfIn PDF document text
  • https://hostsolutions.ro/app/webroot/files/userfiles/files/87059613335.pdfIn PDF document text
  • http://bona-agra.pl/Upload/file/57423205257.pdfIn PDF document text
  • http://onyx-innovations.com/assets/ckfinder/userfiles/files/75230197981.pdfIn PDF document text
  • http://appartementslisa.it/an3_Uploads/file/25278419285.pdfIn PDF document text
  • http://xn----otbb6ahq3d.xn--p1ai/ckfinder/userfiles/files/52998820430.pdfIn PDF document text
  • http://veganogle.es/uploads/ckfinder/files/43670601090.pdfIn PDF document text
  • https://anukulagrotech.com/ci/userfiles/files/73027183827.pdfIn PDF document text
  • http://mama-care.com/UserFiles/file/30412057208.pdfIn PDF document text
  • https://damsindia.org/admin/uploads/file/9178185622.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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