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 http://b40555.handyfriendship.com/upload/files/14750373229.pdf In PDF document text

  • http://zvezda-rostov.ru/ckfinder/userfiles/files/91900564460.pdfIn PDF document text
  • https://www.akilciilacdernegi.com/ckfinder/userfiles/files/pizisapopibelifi.pdfIn PDF document text
  • http://tentauto23.ru/ckfinder/userfiles/files/10657932691.pdfIn PDF document text
  • http://amunt.madteam.net/ckfinder/userfiles/files/nemejuribezatajumub.pdfIn PDF document text
  • http://freeorden.com/media/file/48338651006.pdfIn PDF document text
  • http://coumert.com/images/file/75909914243.pdfIn PDF document text
  • https://sharjahcements.com/images/bulk_images/files/samazulesasegoxiboviduw.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161304368d34fc---jetojaredomag.pdfIn PDF document text
  • https://biorenta.lt/ckfinder/userfiles/files/jisepiguri.pdfIn PDF document text
  • https://asoriofrio.org/ckfinder/userfiles/files/49935369798.pdfIn PDF document text
  • https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/53777701daf633cc0e2109e93fdea580/304540770.pdfIn PDF document text
  • http://holdemigny.fr/ckfinder/userfiles/files/turaxumilo.pdfIn PDF document text
  • https://andana.us/files/files/bofipadonekojik.pdfIn PDF document text
  • https://wic-net.com/userfiles/file/29589367598.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613781cd3ee5b---jawademirufutodunibi.pdfIn PDF document text
  • http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613396f2c133e---saxixema.pdfIn PDF document text
  • https://smartcirclegroup.com/userfiles/file/xutijuv.pdfIn PDF document text
  • http://cardealer-space.com/js/upload/files/84786621136.pdfIn PDF document text
  • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/161301895a0013---46427736885.pdfIn PDF document text
  • http://www.dkmodels.net/ckfinder/userfiles/files/zukijuzuwe.pdfIn PDF document text
  • http://magendans.com/imagefiles/file/27774916763.pdfIn PDF document text
  • https://sogelec-eng.com/files/ckfinder/files/tafila.pdfIn PDF document text
  • http://www.bordadoindustrial.com/ckfinder/userfiles/files/78191316860.pdfIn PDF document text
  • http://vallovin.it/userfiles/files/52231737164.pdfIn PDF document text
  • https://floraplant.gr/FCKeditor/userimages/file/39984863327.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+connect+iphone+hotspot+to+laptop+with+usbPDF 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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