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://queure.ru/uplcv?utm_term=best+vr+games+for+android PDF link annotation

  • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161416a9d3837a---69958153783.pdfIn PDF document text
  • http://studiomalpocher.it/userfiles/files/20270203180.pdfIn PDF document text
  • http://kimhoatra.vn/upload/fckimagesfile/41865343967.pdfIn PDF document text
  • http://velapower.com/glwh/UploadFile/file/2021091312570473499.pdfIn PDF document text
  • https://alident.centralcms.cloud/galeria/files/lodis.pdfIn PDF document text
  • https://congnghiepxd204.vn/upload/files/vatudodutemere.pdfIn PDF document text
  • https://festival-bg.com/media/ckuploads/files/55771198623.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/e6ace419b0c8c94a1963300586cac304/92483375530.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f0fc37b034---64910960050.pdfIn PDF document text
  • http://hanasushichoice.com/uploads/files/girelogotazabuv.pdfIn PDF document text
  • http://zajazd-broadway.pl/galeria/file/88762367922.pdfIn PDF document text
  • http://bhk-aindling.com/userfiles/files/89696146700.pdfIn PDF document text
  • https://huaku3c.tw/uploads/files/202109011407155481.pdfIn PDF document text
  • https://olterus.info/contents/files/97099284089.pdfIn PDF document text
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/sq26fkvedq1v63548baaf7g960/28786501403.pdfIn PDF document text
  • http://xn--oy2b9bv81anouola.com/upload/file/202109130201287716.pdfIn PDF document text
  • http://recviem.ru/img/upload/86385092636.pdfIn PDF document text
  • http://zenobiacultura.it/userfiles/file///gafulufajatupunikolepafok.pdfIn PDF document text
  • http://capthepcongtrinh.com/uploads/news/files/vadujuloxonoj.pdfIn PDF document text
  • https://basealimentare.it/webroot/files/fck_uploads/File/54792701004.pdfIn PDF document text
  • http://netmode.net/app/webroot/uploads/files/fopixikonezogafos.pdfIn PDF document text
  • http://kowel.com/ckfinder/userfiles/files/1630760294.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e960eb8159---zakusixusodedodi.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/jowebunufunepavanolu.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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