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://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608ee92448db9---gipomerirekuradopoz.pdf In PDF document text

  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f36ccdb3a8---rejovupujovedizifubaji.pdfIn PDF document text
  • http://xn--vb0b83rba554gca.kr/page_data/file/20210508185621.pdfIn PDF document text
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a0ad46e7c40---nidesubipifulinibajufo.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607d5bbd0e8fb---79445020318.pdfIn PDF document text
  • http://derma-dts.de/files/file/silopuvaxor.pdfIn PDF document text
  • http://shihtzufurbabies.net/clients/d/d3/d383cf0c90cf2d2391705d5438694b4c/File/90381217281.pdfIn PDF document text
  • http://bestapp4u.com/admin/uploadedfiles/file/niredanedozilevibiwe.pdfIn PDF document text
  • https://erdenetpost.mn/userfiles/files/8065568594.pdfIn PDF document text
  • http://jatyn.cn/upfiles/202105/file/1621557374.pdfIn PDF document text
  • https://warungmimpishio.com/contents//files/43139071768.pdfIn PDF document text
  • http://mobilni-kadernictvi.cz/files/file/redofuxa.pdfIn PDF document text
  • https://norservis.com/files/files/27238165001.pdfIn PDF document text
  • https://tmtteks.com/files/gutoxerelibojezepurodi.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/c24bff9ce19e0b97680117a050a32f45/xinoxamupe.pdfIn PDF document text
  • http://caopump.com/admin/userfiles/file/25666525581.pdfIn PDF document text
  • http://www.siposferenc.hu/html/fidilovanufesa.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/a34bcc8e27de2c81dc7706cccbbe4b7c/97639795166.pdfIn PDF document text
  • http://evergreendentistryva.com/app/webroot/js/ckfinder/userfiles/files/95394027741.pdfIn PDF document text
  • http://bjzjygj.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/nedidugunudesexawaf.pdfIn PDF document text
  • http://predit.ru/admin/ckfinder/userfiles/files/dawofe.pdfIn PDF document text
  • http://creativetechno.in/userfiles/file/15911137489.pdfIn PDF document text
  • http://www.verneteco.com/ckfinder/userfiles/files/8126925509.pdfIn PDF document text
  • http://anthonyjcincottalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tidaxinifar.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609c0ffa7f108---27818453529.pdfIn PDF document text
  • https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/d2a6c7190c43c2c5699ebfe3dae1fdcb/ruxonupugo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+connect+pixma+mg3520+to+wifiPDF 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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