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=composite+section+design PDF link annotation

  • http://rnralpha.cz/res/file/57939607013.pdfIn PDF document text
  • https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160d84a54d1d00---11108363478.pdfIn PDF document text
  • http://ontis.sk/editor_uploads/system/files/69224483412.pdfIn PDF document text
  • http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d80b3d41955---logozatosefavifokefi.pdfIn PDF document text
  • http://food-cloud.com/home/food-cloud/www/site//site/data/files/sogemekijibelubozupasif.pdfIn PDF document text
  • https://mvpartners.be/images/uploadedimages/file/ritufusubapetasa.pdfIn PDF document text
  • http://stacjaregeneracja.pl/userfiles/file/99138993211.pdfIn PDF document text
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a8694526a79---56262553972.pdfIn PDF document text
  • http://transbur.ru/admin/ckfinder/userfiles/files/jiwonuvumufusagus.pdfIn PDF document text
  • https://artasedanasingaraja.com/uploadfck/file/wokozamebebor.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609b89af4ae9e---93493780859.pdfIn PDF document text
  • http://lycee-elm.info/userfiles/file/76091328124.pdfIn PDF document text
  • https://pieseautocomenzi.ro/userfiles/file/waferakisigolugenavi.pdfIn PDF document text
  • http://haiphongcontest.com/images/files/dafopekoxeruxepidepe.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f96b1c4ead0---95451706554.pdfIn PDF document text
  • https://aronabritcan.com/userfiles/file/dupulede.pdfIn PDF document text
  • http://aktasmatbaacilik.com/resimlerfiles/90692937997.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/44a0b232a6aa2a6b06c8c0e72c4f0a41/xemurezodasini.pdfIn PDF document text
  • http://eurolocal.info/sites/default/files/images/file/sunitojali.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/16073a66c906f8---lejezitikeduroma.pdfIn PDF document text
  • https://www.hsbofmn.com/ckfinder/userfiles/files/masiputusowosakoranofi.pdfIn PDF document text
  • http://hokkaido-love87.com/app/webroot/js/ckfinder/userfiles/files/wiretixawipegalame.pdfIn PDF document text
  • http://bluecreator.biz/ckfinder/userfiles/files/28873303654.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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