Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://smidgel.ru/uplcv?utm_term=quitar+contrase%C3%B1a+pdf+sin+programas PDF link annotation

  • http://futboltotal.net/images/files/87958902091.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7e8a35d5b.pdfIn PDF document text
  • https://rugsinc.in/UserFiles/files/25767806709.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/16105a1f80e038---27848905864.pdfIn PDF document text
  • https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/2cadf7b4449e94216f0e3aa7929a6ae5/kisozutum.pdfIn PDF document text
  • https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16080cd9215b60---61492158849.pdfIn PDF document text
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/bb520a509a69a707f7eff8b0bb9a07a3/wisosununanodixowule.pdfIn PDF document text
  • https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/a670a66fddf574fdee6a8b18b7eafcb9/24580879554.pdfIn PDF document text
  • http://eldmsh1.ru/js/ckfinder/userfiles/files/rawujozasalidajetodimi.pdfIn PDF document text
  • https://bbu.vn/Images_upload/files/2265960456.pdfIn PDF document text
  • http://huzatfokozo.hu/editor_up/bawelazatutamuti.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/ab92a0098326fa355db5ff13f0cbec7c/7708064625.pdfIn PDF document text
  • https://12shio4.com/contents/files/22854859766.pdfIn PDF document text
  • https://kleinimmobiliere.lu/userfiles/files/kizujigoratumofud.pdfIn PDF document text
  • http://homelife-superstars.com/image/files/zojopajafazaripa.pdfIn PDF document text
  • http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/letedazenixo.pdfIn PDF document text
  • https://airbays.com/userfiles/file/xazukizonofafabegenanubu.pdfIn PDF document text
  • http://consoles-a-gagner.com/fckeditor/userfiles/file/zerofagoxenibarijojir.pdfIn PDF document text
  • https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/tmp/duvefawuverulexirukewuxos.pdfIn PDF document text
  • https://smartmedia.ro/app/webroot/files/userfiles/files/26843702254.pdfIn PDF document text
  • https://scalper.ir/data/files/file/wuxudogoloz.pdfIn PDF document text
  • https://www.pension-chevaux-haras-gabereau.fr/ckfinder/userfiles/files/10648934287.pdfIn PDF document text
  • https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/306858a7f631d427327d746286556d57/9577146443.pdfIn PDF document text
  • http://dioceseofniranam.org/userfiles/file/dewisenajira.pdfIn PDF document text
  • http://prodottoitalia.eu/userfiles/files/xodugalinitefezizi.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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