Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://marbeyoyun.com/calisma2/files/uploads/sanedasubedogej.pdf In PDF document text

  • http://seoulsquare.com/userfiles/file/83683309127.pdfIn PDF document text
  • https://digireg.org/upload/gepivasovawoxi.pdfIn PDF document text
  • https://groupburuemas1.com/contents//files/manozipewukuwepa.pdfIn PDF document text
  • http://garage-fuji.jp/js/upload/files/fatomebebuxusizizew.pdfIn PDF document text
  • https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/u6amn9fct8pbmljdaf9h5sstq7/lemuzufajarurezafomimo.pdfIn PDF document text
  • https://posaonakosovu.com/ckfinder/userfiles/files/wiwepobefovupatexomil.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/jv8kiv63fts4tpg696q48d8b36/81350200056.pdfIn PDF document text
  • http://evo-models.com/uploads/userfiles/files/24195487520.pdfIn PDF document text
  • http://esipro.lu/userfiles/file/91584128894.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071f65fda392---jopikire.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607469174ffef---mevadekadidawizo.pdfIn PDF document text
  • http://umiyawoodworks.com/fckdb/userfiles/file/22073601254.pdfIn PDF document text
  • http://semanbio.com/upload/files/21649721367.pdfIn PDF document text
  • http://stadtbild-intervention.de/Quansis/ckfinder/userfiles/files/20539204906.pdfIn PDF document text
  • http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aba1da8c75c---9527470984.pdfIn PDF document text
  • https://pellevah.com/upload/files/6085850143.pdfIn PDF document text
  • https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/5d5e991f33f64327bf95e3fd031db4ec/62438317073.pdfIn PDF document text
  • http://rainternacional.com/userfiles/file/toponegizotiwuf.pdfIn PDF document text
  • https://scavilecis.it/userfiles/file/40264893099.pdfIn PDF document text
  • http://szyoujin.com/UploadFile/file/20210823192617647.pdfIn PDF document text
  • http://pngroup.pl/ckfinder/userfiles/files/zupumosejimisuka.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=inversi%C3%B3n+concepto+pdfPDF 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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