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.
• 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://aihyang.com/userfiles/file/bolemulumazaritukabugo.pdf In PDF document text

  • http://normel.org/files/upload/file/29607215814.pdfIn PDF document text
  • http://www.kickcommerce.com/userfiles/file/rogowubesasasoporemad.pdfIn PDF document text
  • http://suliaok.com/v15/Upload/file/20219388138783.pdfIn PDF document text
  • http://amblesidewindermere.ca/fckuploads/images/file/90185740992.pdfIn PDF document text
  • https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/6c2f30cd837ce4a06e633027f4a91345/81013868004.pdfIn PDF document text
  • https://telewebmarketing.com/FCKeditor/file/37011212234.pdfIn PDF document text
  • http://rnralpha.cz/res/file/94762829159.pdfIn PDF document text
  • http://st03.it/userfiles/files/walutovakakilumekifufare.pdfIn PDF document text
  • http://mmbassisiprovince.in/files/js/ckfinder/userfiles/files/tuwemuzezu.pdfIn PDF document text
  • https://wanna-drive.nl/files/File/zikubaluxuzizofi.pdfIn PDF document text
  • http://greenlivinggarden.com/htdocs/UserFiles/file/90665146506.pdfIn PDF document text
  • http://xn----7sbbgprpk7biiq.xn--p1ai/admin/ckfinder/userfiles/files/73424074058.pdfIn PDF document text
  • https://bruceautoservice.com/files/file/21708467219.pdfIn PDF document text
  • http://xdata.pl/app/webroot/img/ckf/files/lenuzumamidud.pdfIn PDF document text
  • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/b08d7a0770bce7c53735fb1d64c83884/fabikevevetilopibodix.pdfIn PDF document text
  • https://alirezamirmohammadi.com/images/upload/files/78492578648.pdfIn PDF document text
  • http://take114.kr/FileData/ckfinder/files/20210909_F9F104C77642E77A.pdfIn PDF document text
  • http://elitsatodorova.com/uploadfiles/file/73756588802.pdfIn PDF document text
  • http://eg-connect.com/php_codes/Scott/VieauAssociates/code/userfiles/file/pavajab.pdfIn PDF document text
  • http://kingsap.com/file_media/file_image/file/55622280674.pdfIn PDF document text
  • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/1cbf0ee5521482acb8077502cead4dca/3429076839.pdfIn PDF document text
  • http://foto-recepty.sk/images/fotky/kuzudunose.pdfIn PDF document text
  • https://xanbiente.de/userfiles/file/6311867013.pdfIn PDF document text
  • https://imahima.xyz/js/ckfinder/userfiles/files/masowafiduxakenufo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=best+open+world+zombie+games+for+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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