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://queure.ru/uplcv?utm_term=how+to+see+screen+time+in+android PDF link annotation

  • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133c62e9f591---84102103279.pdfIn PDF document text
  • http://vaynhe.com/upload/files/tolagupibupupofodumawu.pdfIn PDF document text
  • http://borisovhlebprom.by/var/upload/file/99776051016.pdfIn PDF document text
  • https://oriolefashion.com/ckfinder/userfiles/files/pefusen.pdfIn PDF document text
  • https://jajugroup.com/ckfinder/userfiles/files/63549113460.pdfIn PDF document text
  • https://www.hasmow.com.au/application/third_party/ckfinder/userfiles/files/41269436936.pdfIn PDF document text
  • http://thenikharvconsultancy.com/userfiles/file/wukawimuzag.pdfIn PDF document text
  • http://countryclaim.cz/userfiles/file/wuduvevubamawu.pdfIn PDF document text
  • https://servauto.fr/img/user/file/zibamu.pdfIn PDF document text
  • https://fultoys.com/userfiles/wojepajid.pdfIn PDF document text
  • http://colleges-in-tamilnadu.com/FCKeditor/userfiles/file/8208487993.pdfIn PDF document text
  • https://petrovsky14.ru/docs/files/duravigilu.pdfIn PDF document text
  • https://ww150007.linebot.net/upfile/files/20210906213752.pdfIn PDF document text
  • http://nhuaduongnhapkhauaz.info/upload/files/tirekisanazolitogog.pdfIn PDF document text
  • https://tomaszbizon.tomaszbizon.pl/web/uploads/files/nemogeja.pdfIn PDF document text
  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/23b665146cf33aeeddb8e3f0aa593356/16677513838.pdfIn PDF document text
  • http://m-styleauto.com/js/upload/files/tajuvuguxoz.pdfIn PDF document text
  • http://pension-erlkoenig.de/img/editor/file/89308877593.pdfIn PDF document text
  • https://granitabrasive.ro/editor_up/gokolamodobidal.pdfIn PDF document text
  • https://korzo-galeria.hu/files/file/37256042150.pdfIn PDF document text
  • https://archielectronics.com/userfiles/files/bunijeripupuwowijipawuz.pdfIn PDF document text
  • https://hantverkarenisandby.se/UserFiles/files/73890175890.pdfIn PDF document text
  • https://cabsfromheathrow.com/userfiles/file/52224405988.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614232009d3d9---40096812339.pdfIn PDF document text
  • http://maturitni-ples.eu/UserFiles/File/22436706233.pdfIn PDF document text
  • http://spartapr.com/images/upload/file/70559817501.pdfIn PDF document text
  • http://aias.pnu.ac.th/ckfinder/userfiles/files/23475212941.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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