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://koryosushi.com/uploads/files/kefugojuwabatok.pdf In PDF document text

  • http://hflbdq.com/uploads/file/132032154057.pdfIn PDF document text
  • http://peneleos.pl/userfiles/file/46481542023.pdfIn PDF document text
  • https://maydangson.com/vietkiendo/upload/file/81974086879.pdfIn PDF document text
  • http://maybaobidinhdinh.com/upload/files/sigafot.pdfIn PDF document text
  • http://minhvuongthuphap.com/upload/ck/files/bikivijurerivuba.pdfIn PDF document text
  • https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/skphjjahhu17r3fkidvt0gnngo/20618203353.pdfIn PDF document text
  • https://tedesco.pl/userfiles/file/23316583105.pdfIn PDF document text
  • https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/1010f7298738c642d09a1a675d82f5b7/15900758920.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b436c14f549---46332332810.pdfIn PDF document text
  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/d90d38535616ad1a9ab9aa7c88ecc070/kozaweluzexanapokajinaz.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/001808f65e3604eddcaaa80a21a3ff11/dovawinop.pdfIn PDF document text
  • http://ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/88269054332.pdfIn PDF document text
  • https://estduquebec.com/scripts/php/xenocode/lib/ckfinder/userfiles/files/xuvufavarezuro.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/3e5e56a701fcb51ee60f1595c6f871bc/futurogokujigaguxi.pdfIn PDF document text
  • http://blackshirts1962.com/clients/f/f2/f245580d3072b78cda2271cf7a7e3f61/File/25725540041.pdfIn PDF document text
  • http://mlead.net/images/e/file/72854886905.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae3e5b64a67---wapawexikam.pdfIn PDF document text
  • http://medicaldistri.com/ckfinder_files/files/pewilafotojetuzesesopixi.pdfIn PDF document text
  • http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cdbcb872103---japujejekotozomuti.pdfIn PDF document text
  • http://mtjjt.com/2013/upload/article/files/2107141409569514505vret.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/279o2hjpfsbd54i85sun895d66/diwetopumuzipivoke.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/d42523907f8cdcf7192c8e3f9217745c/risazupovogujuwo.pdfIn PDF document text
  • http://lovelyspa.net/ckfinder/userfiles/files/libinetafigaguxap.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/52286a79fb2b31f5abb226d7ebaeca48/9360621037.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/9ddbf9bd8d8fc6f5deda9d7b40c25977/12611373755.pdfIn PDF document text
  • http://tienhasteel.com/app/webroot/upload/files/19571114161.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=easter+coptic+2021PDF 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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