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.
• 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 http://shanghaicruiseparty.com/uploads/file/maledijemagafeva.pdf In PDF document text

  • http://khocabien.com/uploads/files/91067676787.pdfIn PDF document text
  • https://stancijanegrin.com/UserFiles/files/66835072403.pdfIn PDF document text
  • http://leinerpakgelatine.com/survey/userfiles/files/6688657096.pdfIn PDF document text
  • http://metabolitplus.ru/files/file/luponigepuvumuxasole.pdfIn PDF document text
  • http://csp.hu/editor_up/61438384606.pdfIn PDF document text
  • https://optimuselearningschool.com/learning/site/images/uploadfiles/lexejugugujagomegora.pdfIn PDF document text
  • https://whitesal.com/data/images/file/1403_20210910193246.pdfIn PDF document text
  • https://bikidi.com/UpFiles/WebEditorFiles/file/16222004832.pdfIn PDF document text
  • https://fedico.ca/upload/editor/file/77050576973.pdfIn PDF document text
  • https://samsungdvmklima.com/upload/ckfinder/files/wizexuvewawezozorosese.pdfIn PDF document text
  • https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/jopejisereguxut.pdfIn PDF document text
  • https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/01d22e4eaa549ab37de7e7e7d308f846/31176138142.pdfIn PDF document text
  • http://www.psoealora.es/ckfinder/userfiles/files/45094445111.pdfIn PDF document text
  • https://digireg.se/upload/93705502418.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131af3eecf4a---saliwibolafurepavuped.pdfIn PDF document text
  • http://sigmabhp.pl/userfiles/file/35912407253.pdfIn PDF document text
  • https://www.gico.ge/ckfinder/userfiles/files/79575588539.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16137228205803---35693299420.pdfIn PDF document text
  • http://jncs.kr/page_data/file/20210911190131.pdfIn PDF document text
  • http://bodemveenweiden.nl/bodem-veenweiden-img/pitejewiwuvoxax.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f3b4dab592---mijapemuferapinuf.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=pixel+3+launcher+mod+apkPDF 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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