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 https://catamma.ru/uplcv?utm_term=best+android+ccg PDF link annotation

  • https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/27o9reln77qbdojnhh3qktv3d7/denixugu.pdfIn PDF document text
  • http://leaguengn.com/userfiles/file///56267617508.pdfIn PDF document text
  • https://u-spot.biz/js/ckfinder/userfiles/files/6487777433.pdfIn PDF document text
  • http://ssss-sangam.com/userfiles/file/84516409398.pdfIn PDF document text
  • http://theponghop.com/upload/files/45123511760.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146b42d8554f---mesezu.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/din6iie0u2pe69vnm8b03gni27/badixenajofopanu.pdfIn PDF document text
  • https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/c14e6098899b94a563e58fd67a556e5e/92013568616.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/0a10d9e1b95d73e5a97f7d3d5bea970d/74725832940.pdfIn PDF document text
  • http://canoto.us/Images_upload/files/nogupo.pdfIn PDF document text
  • http://www.urbanwaterways.info/files/kamitufuremikupozi.pdfIn PDF document text
  • https://mamap.in/ci/userfiles/files/latodowi.pdfIn PDF document text
  • http://tvcsoltau.de/userfiles/file/9579277783.pdfIn PDF document text
  • https://lengthening-sldf.com/userfiles/file/81790071370.pdfIn PDF document text
  • http://lube-stc.com/ckfinder/userfiles/files/8338390919.pdfIn PDF document text
  • https://network-italia.it/file/pejumenujiriruluxezixeje.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/20367037349.pdfIn PDF document text
  • http://modernplating.com/userfiles/file/jokapolafuxijudepat.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16144e236eb5de---bategaxipinexolitafak.pdfIn PDF document text
  • http://ciarajewellery.com/editor_upload/file/55208142212.pdfIn PDF document text
  • https://gites-les-bardots.com/userfiles/file/dosesutasuvutij.pdfIn PDF document text
  • https://stiff.pl/ckfinder/userfiles/files/vulapezamigaxebap.pdfIn PDF document text
  • http://indcms.testingmachines.com/images/file/gesusaraxu.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1614093179a385---zodugekawadutakug.pdfIn PDF document text
  • https://ever-progress.dacola.com/upload/files/gumetotoladale.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161368779c285b---25325011189.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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