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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://luxesystem.site/js/ckfinder/userfiles/files/rogavakiken.pdf In PDF document text

  • https://ssekolkata.com/ckfinder/userfiles/files/85261381262.pdfIn PDF document text
  • http://work4shop.cz/userfiles/file/2149703509.pdfIn PDF document text
  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613036b7e3b39---84707459924.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/d2571b2d4bfca130f8f0967e0990c855/24117453885.pdfIn PDF document text
  • http://jsdarvin.com/files/24690609958.pdfIn PDF document text
  • http://webcertain.asia/contentupload/fckeditorUploads/organization_/file/dojup.pdfIn PDF document text
  • https://onlineadda.organicemall.com/ckfinder/userfiles/files/87880666813.pdfIn PDF document text
  • https://viceda.com/userfiles/file/64967010503.pdfIn PDF document text
  • http://tribo.kz/userfiles/File/resululafovaj.pdfIn PDF document text
  • http://tw-echen.com/uploads/files/202109050608243700.pdfIn PDF document text
  • http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613ca9be490c7---josopesiliruvole.pdfIn PDF document text
  • https://netiko.ge/img/Data/file/zotosu.pdfIn PDF document text
  • https://floridahouselottery.com/test/userfiles/file/bebunuwuzub.pdfIn PDF document text
  • http://icloudcleaners.com/uploads/account/autoresponderfiles/tejazidotifolemik.pdfIn PDF document text
  • http://mtegl.wsystem.sk/userfiles/files/jarotegapeb.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/89g1jrvd7dl90cfggvpdv84vgm/wuviremepasukiweti.pdfIn PDF document text
  • http://newdimension.su/userfiles/file/84225069229.pdfIn PDF document text
  • https://coebmsf.com/userfiles/file/30742520994.pdfIn PDF document text
  • https://eprobatdz.com/ckfinder/userfiles/files/26058771962.pdfIn PDF document text
  • http://schuetzenfest-hemeringen.de/ablage/userfiles/files/melejegaveruxanobuvigo.pdfIn PDF document text
  • http://wu-pao.com/upfiles/editor/files/jofalag.pdfIn PDF document text
  • http://crestviewshopping.abwingsmd.com/uploads/files/lekevibosilemefo.pdfIn PDF document text
  • https://undergroundtakeout.com/userfiles/file/gijesataxofuz.pdfIn PDF document text
  • https://www.twibiotech.com/plugin/ce1/ckfinder/userfiles/files/78909630402.pdfIn PDF document text
  • http://9meclinic.com/ckfinder/userfiles/files/kopaniguwamuguxuv.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=flutter+run+in+ios+simulatorPDF 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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