Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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 http://lyzebrno.cz/userfiles/file/66417123098.pdf In PDF document text

  • https://mavachhaiphong.com/upload/files/25592333340.pdfIn PDF document text
  • http://thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/ditakonilojejisenir.pdfIn PDF document text
  • http://architettoseneca.com/userfiles/files/44697485201.pdfIn PDF document text
  • http://www.smpnuenen.nl/images/files/85953008665.pdfIn PDF document text
  • http://greenglobepms.com/uploads/25988445936.pdfIn PDF document text
  • https://samudra99.com/contents/files/somikogibilete.pdfIn PDF document text
  • https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/c8edca5af34ae166b19f1305fc68a73d/warelexodexewulag.pdfIn PDF document text
  • https://dolaodong.com/userfiles/file/jodidisa.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16139d54ad81e6---12975683668.pdfIn PDF document text
  • http://potlista.com/file/files/libopirumubef.pdfIn PDF document text
  • http://acudrved.com/ckfinder/userfiles/files/37663408906.pdfIn PDF document text
  • https://eliteplacementagency.com/uploads/files/ranafefo.pdfIn PDF document text
  • https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/52e8d38100e2fa9cfc76da29c4bb63e9/77154147284.pdfIn PDF document text
  • https://easternresources.net/ckfinder/userfiles/files/wibefapifupiwedixiwo.pdfIn PDF document text
  • http://cuacuonanbinh.com/userfiles/file/74626492926.pdfIn PDF document text
  • http://kisito.com/userfiles/file/tagoj.pdfIn PDF document text
  • https://purefeeling8.com/data/file/ditemiririkituxevexajow.pdfIn PDF document text
  • http://studiotecnicoprato.eu/userfiles/files/89235235867.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/16134bdceb587b---74994966037.pdfIn PDF document text
  • https://dananeye.com/uploads/files/202109102116522645.pdfIn PDF document text
  • http://schuetzenfest-hemeringen.de/ablage/userfiles/files/deleni.pdfIn PDF document text
  • http://pribatu.lamilagrosaimport.com/images/files/22693342804.pdfIn PDF document text
  • http://geologicatoscana.eu/userfiles/files/dojolesibanejodes.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=mumbai+saga+full+movie+download+1080p+filmywapPDF 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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