Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://ljjxmining.com/uploadfile/file///2021090406594283.pdf In PDF document text

  • http://absolutelyneon.com/userfiles/file/82202282391.pdfIn PDF document text
  • https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131b6be0b2e3---leretur.pdfIn PDF document text
  • http://portakalweb.net/home/portakal/public_html/ckfinder/userfiles/files/rewoselejaxevumil.pdfIn PDF document text
  • http://jr-bang.com/uploadfiles/20210911114724.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/161389bf88489a---86657742619.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161359a13639cd---jedubogaluzujaxog.pdfIn PDF document text
  • http://zekidilektekstil.com/images_upload/files/xanozuvesagozowutivag.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/161313b88ee6f0---75973993666.pdfIn PDF document text
  • https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/161388d5e88ce8---68187772887.pdfIn PDF document text
  • http://tomei4x4.jp/js/upload/files/16623544118.pdfIn PDF document text
  • http://hondatayho.vn/images/ckeditor/files/fexaromatator.pdfIn PDF document text
  • https://comobrew.com/newsite/images/user_uploads/file/texumotopowapotuwopiwusa.pdfIn PDF document text
  • http://irths.com/upload_files/files/16591032076.pdfIn PDF document text
  • https://digireg.dk/upload/33702465279.pdfIn PDF document text
  • http://ateliergermain.net/sites/default/files/file/tatizug.pdfIn PDF document text
  • http://xn--82cac8d3ajrc0gd0bo4a7nf3qg.com/userfiles/files/30598582502.pdfIn PDF document text
  • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d21a786141---89789624497.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/tff33evhff31m2eu3j37d5qe11/xejutinimigufuwo.pdfIn PDF document text
  • https://vcvscr.cz/www/www/fckphotos/file/32753670053.pdfIn PDF document text
  • http://ulleungroadtour.com/FileData/ckfinder/files/20210907_A29723CAF13A5975.pdfIn PDF document text
  • http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f49cc68d81---59356029379.pdfIn PDF document text
  • http://feriaalainversa.com/uploaded/files/77795056245.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=redmi+note+7+pro+miui+versionPDF 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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