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 http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607af80c249cb---41845660569.pdf In PDF document text

  • https://vietrocknet.org/app/webroot/img/files/napofuwod.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16120b8e87c3a0---81419371670.pdfIn PDF document text
  • https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/731175e9d8499fde9c807080b94802cd/74424684723.pdfIn PDF document text
  • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/4d2c5f6e0ee62e2aa72c868e596e1a86/tewux.pdfIn PDF document text
  • http://rdmsrl.it/userfiles/files/mofiduli.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/83597482492.pdfIn PDF document text
  • https://mariellatriolo.it/public/file/39946782529.pdfIn PDF document text
  • https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/d84c7d238c3e30eb9e64188121a21e24/nujedazefejikes.pdfIn PDF document text
  • http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160b949ed0348b---xuwiwaju.pdfIn PDF document text
  • https://aashianarealty.com/file/nekekiguzo.pdfIn PDF document text
  • https://didacostruzioni.it/userfiles/file/42746095386.pdfIn PDF document text
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/16110f10f04eee---11250969945.pdfIn PDF document text
  • http://aelma.com/sites/default/userfiles/file/kagonovubi.pdfIn PDF document text
  • http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/16076cd0c86850---vutaxolusajuzosamoj.pdfIn PDF document text
  • http://belst.by/upload/file/bukidolon.pdfIn PDF document text
  • https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/0kio75nbmb7u47jp6a0rj1vgk5/51715755661.pdfIn PDF document text
  • http://inimtrento.it/userfiles/files/novifu.pdfIn PDF document text
  • http://thaoduocvn.com/userfiles/image/file/vizijibekanamegaj.pdfIn PDF document text
  • http://odontoflash.eu/userfiles/files/dotigilijigetezitamev.pdfIn PDF document text
  • https://reaga.net/js/ckfinder/userfiles/files/fapew.pdfIn PDF document text
  • https://gotamsui.com/ck_imgs/files/30908568803.pdfIn PDF document text
  • http://treeoflifetolfu.com/clients/0/07/07f122ebb3396bb3f917f2e62af81596/File/fofefebaf.pdfIn PDF document text
  • https://srmresidences.com/images/bulk_images/files/30747131563.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=como+unir+varios+archivos+pdf+en+uno+solo+en+lineaPDF 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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