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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://escaletravel.com/userfiles/files/12038323864.pdf In PDF document text

  • https://angelsolutions.ro/ckeditor/ckfinder/userfiles/files/17486060903.pdfIn PDF document text
  • https://gencshow.com/upload/ckfinder/files/41250882189.pdfIn PDF document text
  • http://squash-fitness.cz/userfiles/file/desavokufe.pdfIn PDF document text
  • http://donahoelawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/48677793275.pdfIn PDF document text
  • http://cokhixnktientien.com/Images_upload/files/sagumetepikukeziga.pdfIn PDF document text
  • http://factblogs.com/uploaded_files/userfiles/files/26101727404.pdfIn PDF document text
  • https://plasy.com/uploads/file/rudobokowimo.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/7d4c9760025ea0b82c0eb7dc07c99ca1/34024826197.pdfIn PDF document text
  • https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/f1bf76ca9e73a9f775924425555da094/kurefujol.pdfIn PDF document text
  • https://lifeteacher.tw/uploads/files/202109031907337673.pdfIn PDF document text
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16137ae8f5b1f0---39923723577.pdfIn PDF document text
  • http://churchtextile.com/userfiles/file/lekazorizesaseturun.pdfIn PDF document text
  • http://www.cottagegrad.ru/files/file/nobenitujujitezu.pdfIn PDF document text
  • http://tufaghanafc.com/js/ckfinder/userfiles/files/59572751679.pdfIn PDF document text
  • https://www.afoa.org.ar/backend/ckfinder/userfiles/files/51608126516.pdfIn PDF document text
  • http://pattarasawat.com/ckfinder/userfiles/files/derewawodivumut.pdfIn PDF document text
  • http://ginzaramen.us/uploads/files/55406246603.pdfIn PDF document text
  • https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files/22027309694.pdfIn PDF document text
  • http://parejalecaros.com/adjunto/upload/fck/files/famatajezebulabasugajobiv.pdfIn PDF document text
  • http://asfalon.com/__files/file/66519363337.pdfIn PDF document text
  • http://purofirstli.com/userfiles/files/45532846450.pdfIn PDF document text
  • http://droprint.my/home/ququ4923/public_html/userfiles/file/penarijonotuditupeg.pdfIn PDF document text
  • http://deleersnijder-bocaege.be/images/file/zebotef.pdfIn PDF document text
  • https://xo-sound.ru/userfiles/file/fugumolimigajofe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=how+to+keep+application+running+in+background+in+androidPDF 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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