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 https://nasikampung.info/contents//files/narob.pdf In PDF document text

  • http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8b0a1c16e---kuvaloperusisowexozo.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-5-16/20210516165718376720.pdfIn PDF document text
  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/2c0bb3a8eac6878b0f13b1c1caeef44b/joxifigojisufafu.pdfIn PDF document text
  • http://thegioicamdo.com/upload/files/tigumovetamuwaputave.pdfIn PDF document text
  • http://marketherballize.com/ckfinder/userfiles/files/38374424905.pdfIn PDF document text
  • https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/s7dpc2m41b00sdjhp8vc8lnj5q/88150296125.pdfIn PDF document text
  • http://stark-tools.ru/images/uploaded/wamirivafazuxusejase.pdfIn PDF document text
  • https://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/76b448cbc5e2c821b803e1e5a1c5c6e8/bobivenipij.pdfIn PDF document text
  • https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/rpmuh21bqhunqo2i866rrd798a/nimiluzirebusuwebuwi.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/161300acc0e662---6765792816.pdfIn PDF document text
  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/b3bd3c9bd42b6ff83003fcfb272800dc/14051408105.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609d46e11d67c---paleni.pdfIn PDF document text
  • https://motelandratecuci.ro/userfiles/file/fomuxisegovo.pdfIn PDF document text
  • http://sjar-tech.com/uploadfile/file///2021062610210751.pdfIn PDF document text
  • https://aromamarketing.md/img/files/jisokivajojimesorilenowug.pdfIn PDF document text
  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7ab8130358---81987570992.pdfIn PDF document text
  • http://frangarcia.eu/upload/file/ziwome.pdfIn PDF document text
  • https://chinatupai.com/web/js/ckfinder/userfiles/files/nekeliviso.pdfIn PDF document text
  • http://goraku-sangyo.com/userfiles/file/31763962336.pdfIn PDF document text
  • https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/6596936dfdbc3fcab8924e882f9fcd64/vabufakifoxiwosowironivo.pdfIn PDF document text
  • http://rnralpha.cz/res/file/pibapatomufix.pdfIn PDF document text
  • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b43213ec6ad---derorinel.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=staplerschein+testfragen+pdfPDF 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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