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://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/78stmr5osnpn46sm4roc5rgtpr/jajujiwoferidurixu.pdf In PDF document text

  • http://daisin1977.com/js/upload/files/17416188419.pdfIn PDF document text
  • https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/d0764a2dc85ad92de0459d66b7cd3db6/2843122603.pdfIn PDF document text
  • http://xn--90afqerdlt1f.xn--p1ai/admin/ckfinder/userfiles/files/23712743692.pdfIn PDF document text
  • https://www.prestigeautobody.com.au/wp-content/plugins/super-forms/uploads/php/files/2e04aca396fdae08cef72908f88a43e6/80816871672.pdfIn PDF document text
  • http://soles2walk.cz/data/file/bivanuvodonepimozalar.pdfIn PDF document text
  • http://japan-railpass.info/images/blog//file/lowatumagikori.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c20ef36083---wuvijipinal.pdfIn PDF document text
  • https://lengthening-sldf.com/userfiles/file/zubokewedogow.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/ef23d2ccb4ac21ae06b5e1d03b559aaf/jexag.pdfIn PDF document text
  • http://dh-cell.com/ckfinder/userfiles/files/fezidepunukeke.pdfIn PDF document text
  • http://khotelmarket.com/FileData/ckfinder/files/20210624_FCEE09147871A810.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16103d0827790f---11419994689.pdfIn PDF document text
  • https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/ba35b1865b73738628c9a9bdcc69c3ed/21186978222.pdfIn PDF document text
  • http://www.anclupnapoli.it/userfiles/file/54105724563.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612aa9d2b31fd---faduvutato.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a23752ccc21---11822655041.pdfIn PDF document text
  • http://wabasnb.com/files/fckeditor/file/1079612228610468e67804e.pdfIn PDF document text
  • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a093a421e61---ledurinisexawuferujobo.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606f80c9c34fd---40851471070.pdfIn PDF document text
  • http://ctkupavna.ru/upload/file/64512691590.pdfIn PDF document text
  • http://dtpokebar.com/uploads/files/fisexidifexuxazaxijube.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/no7t54macshhsrdoq2rke6tola/zurepajajametavasevipo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=nitro+online+pdf+to+word+converter+freePDF link annotation
  • http://www.fotolia.comIn 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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