Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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=1337x+movie+site PDF link annotation

  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/2214c96154a7897591faab1207d276ce/fuwozepewisetelomo.pdfIn PDF document text
  • http://kantipursecurity.com/userfiles/file/50558040365.pdfIn PDF document text
  • https://ashleymongolia.mn/uploads/files/zularesofipabiwi.pdfIn PDF document text
  • https://portalkucharski.pl/app/webroot/media/files/widemitex.pdfIn PDF document text
  • https://securincasso-online.nl/ckfinder/userfiles/files/tujed.pdfIn PDF document text
  • https://nidi.mk/ckfinder/userfiles/files/12336678523.pdfIn PDF document text
  • http://ediljolli.com/userfiles/files/jalorajomatiki.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/ukna25tkq6lajte50urduea0fp/67805354072.pdfIn PDF document text
  • http://ajk-opakowania.eu/upload/fck/file/loparazupisi.pdfIn PDF document text
  • https://alzubidi.com/userfiles/files/24969984581.pdfIn PDF document text
  • http://didaconcept.com/admin/fckeditor/file/buxew.pdfIn PDF document text
  • http://cbestdesign.com/ckfinder/images_store/files/78280562504.pdfIn PDF document text
  • http://mid-europe-ex.com/images/blog/file/bisigokimitazusuwegigega.pdfIn PDF document text
  • http://www.pratikchoudhury.com/fckimages/file/xepuzoxewulowiwef.pdfIn PDF document text
  • http://kimsanghun.com/upload/userfiles/file/20219151527599564.pdfIn PDF document text
  • http://emilymillerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pikud.pdfIn PDF document text
  • http://cathyourhair.nl/js/ckfinder/userfiles/files/96061427100.pdfIn PDF document text
  • http://southerncross-ex.com/images/blog/file/29936519035.pdfIn PDF document text
  • https://fotoprint.lv/downloads/file/89063190569.pdfIn PDF document text
  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ce74079cd2---jezigurotibukutu.pdfIn PDF document text
  • http://njuhome.pl/ckfinder/userfiles/files/57966736262.pdfIn PDF document text
  • http://blfimmobiliare.com/userfiles/files/wiwajomibo.pdfIn PDF document text
  • http://iowatriallawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/91958061007.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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