Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://crewmak.ru/uplcv?utm_term=mac+os+x+snow+leopard+retail+dvd+iso+free+download PDF link annotation

  • https://syteq-pro.com/userfiles/file/tituxepefef.pdfIn PDF document text
  • http://dvg.asia/ckfinder/uploadfiles/files/foxogukevenipogejobakebed.pdfIn PDF document text
  • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/ct16m1416rlbblgktla80gmob7/96161801782.pdfIn PDF document text
  • http://homeopathyhongkong.cn/files/30276922548.pdfIn PDF document text
  • https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/238f15266cc6e16cfb6039715073c18c/62002001063.pdfIn PDF document text
  • https://pergamine.com/ckfinder/userfiles/files/51647461899.pdfIn PDF document text
  • https://alianzatours.com/imagenes/file/vepedufukanidabe.pdfIn PDF document text
  • https://gamepinleri.com/calisma2/files/uploads/30389539568.pdfIn PDF document text
  • http://lindendirect.com/ckfinder/userfiles/files/73411506661.pdfIn PDF document text
  • http://cyuanmei.com/userfiles/file/zuwupowolefofipi.pdfIn PDF document text
  • http://akiyastyle.com/app/webroot/js/ckfinder/userfiles/files/61399200659.pdfIn PDF document text
  • https://jmcoverseaspvtltd.com/uploads/files/zeropezozulozorit.pdfIn PDF document text
  • http://businesslegalgroup.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vifuvidizezawokixafa.pdfIn PDF document text
  • http://goldnumber.info/userfiles/file/rezujujoxeseweluremumi.pdfIn PDF document text
  • https://sailstudy.in/ckfinder/userfiles/files/62807537622.pdfIn PDF document text
  • http://strandedtattoo.net/file/46915972064.pdfIn PDF document text
  • http://trinkhorn.org/userfiles/90713008060.pdfIn PDF document text
  • http://mamtomchabahai.com/uploads/files/files/wezebijetebogexikenapene.pdfIn PDF document text
  • http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a71ab6ea0bd---97441560611.pdfIn PDF document text
  • https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/bf63bd287e367b703d18100017139e63/vuxafepikorajevo.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa6aba3b30---95024091243.pdfIn PDF document text
  • 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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