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://laborke.ru/uplcv?utm_term=gupt+full+movie+download PDF link annotation

  • http://saltokisport.com/uploads/files/xilapimupasorovet.pdfIn PDF document text
  • http://hkalc.com/userfiles/65170927999.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161309607dbdce---duzuwapibemudogarula.pdfIn PDF document text
  • https://chameleoncoupons.com/adgprocessing/uploads/files/lexafovizomuwamoni.pdfIn PDF document text
  • http://xn--80aab8aioy.xn--p1ai/userfiles/file/jitugapis.pdfIn PDF document text
  • https://tommytest.dish1314.com/data/html_editor/files/52372735725.pdfIn PDF document text
  • http://viorina-deko.com/images/file/gunumimaludataratasok.pdfIn PDF document text
  • http://dyneco.kr/userData/board/file/zipetulavusafixugere.pdfIn PDF document text
  • http://15881588.com/ckupload/files/78035377954.pdfIn PDF document text
  • http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/79f02cd93ec193a623570d7dad350f90/xupusewu.pdfIn PDF document text
  • http://acunambalaj.com/adenoto/upload/files/26301631049.pdfIn PDF document text
  • http://apmnir.ro/fckfiles/file/526347416.pdfIn PDF document text
  • http://xn--hy1bt45apoap01a.net/jangheung/userfiles/file/90359445772.pdfIn PDF document text
  • http://umffz21.ru/admin/ckfinder/userfiles/files/75112282454.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/fe9m44i4eva90eoi3ma7i3l3nr/xokolapoxog.pdfIn PDF document text
  • http://matchonusa.com/uploads/files/wujulap.pdfIn PDF document text
  • https://xedulichhaiphong.vn/images/news/files/nirativo.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613c5c6f6cb39---judon.pdfIn PDF document text
  • http://ruishikaishi.com/upload/content/files/2021/09/20210909102035.pdfIn PDF document text
  • http://gndpta.eu/news_objects/files/59043647560.pdfIn PDF document text
  • https://heritagecambodiatravel.com/userfiles/file/kadedakemafuruboropof.pdfIn PDF document text
  • https://fleuriste79.fr/ckfinder/userfiles/files/36910432824.pdfIn PDF document text
  • https://i-chat.tw/js/ckfinder/userfiles/files/58066131012.pdfIn PDF document text
  • https://kawanmto.org/contents/files/90774103626.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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