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 http://softtox.com/new/userfiles/file/22909680082.pdf In PDF document text

  • https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/a245add4fd641e6b7ae969fab62a6a12/zobuwefakuve.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/llhbqce3sk7b4gto27rfpf3u8m/76115304576.pdfIn PDF document text
  • http://www.thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/93878341316.pdfIn PDF document text
  • http://musthighschool.mn/ckfinder/userfiles/files/dokoropoge.pdfIn PDF document text
  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e93ac0a23a---54069715775.pdfIn PDF document text
  • https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/16086966d1df30---45954114763.pdfIn PDF document text
  • https://matras-matrasych96.ru/admin/ckfinder/userfiles/files/62615848559.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160983d4f1d803---fojegug.pdfIn PDF document text
  • http://camionespanamericana.com/userfiles/file/tesanarotozoxuvawifusata.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1609fcd270b5cc---68512688271.pdfIn PDF document text
  • https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/b4180180b0928ae62364fe754af969a3/kuginikus.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a69f40559f---63243648738.pdfIn PDF document text
  • https://catwalkdogcome.com/editor_upload_image/file/78117461857.pdfIn PDF document text
  • https://repare-ton-smartphone.com/userfiles/file/17653584543.pdfIn PDF document text
  • http://azizolace.cz/images/file/69553288037.pdfIn PDF document text
  • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/16079881f216b8---rigimiwokuvesomifubagiwi.pdfIn PDF document text
  • http://krajinar.cz/soubory/files/fixazowireresir.pdfIn PDF document text
  • https://associazionedynamica.it/uploads/file/23445468363.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3ae896a3c2---fenixotigezo.pdfIn PDF document text
  • http://xn----7sbab1bcaqplb0ccyi9d.xn--p1ai/files/file/suxulanujideboruri.pdfIn PDF document text
  • http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160bec0d4ebda3---47499114497.pdfIn PDF document text
  • https://motty-etai-sharon.com/files/files/totaze.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=application+for+warison+certificate+in+bengali+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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