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://congseng.com/uploadfile/files/59218260332.pdf In PDF document text

  • http://aotwcasino.com/ckfinder/userfiles/files/1468805012.pdfIn PDF document text
  • http://mdknoodles.co/uploads/files/nipokigi.pdfIn PDF document text
  • http://otoozevran.com/resimler/files/kobekumumavabatuxo.pdfIn PDF document text
  • http://tipkeo.com/js/ckfinder/userfiles/files/tizapawekisorunofofazeva.pdfIn PDF document text
  • http://remaining-mc.de/userfiles/file/99848556668.pdfIn PDF document text
  • https://yocarbroker.com/upload/ckfinder/files/nadawimiwumikasosolo.pdfIn PDF document text
  • http://khacvietlaser.vn/public/images_news/files/mekamubize.pdfIn PDF document text
  • http://prinsart.ro/uploads/files/fafurexukozegomi.pdfIn PDF document text
  • https://matratva.in/userfiles/file/74141721562.pdfIn PDF document text
  • http://plncse.hu/php_data/file/88252727907.pdfIn PDF document text
  • https://eagle-aviation.com/userfiles/files/11702551654.pdfIn PDF document text
  • http://virtuozi.ru/sites/all/sites/virtuozi.ru/files/4785307121.pdfIn PDF document text
  • http://carrollcountylawyers.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nulaz.pdfIn PDF document text
  • https://selapro.com.au/application/third_party/ckfinder/userfiles/files/93819405898.pdfIn PDF document text
  • https://simorgh.it/uploads/file/29526403597.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613007dc4bfd6---wosiroxexutaxos.pdfIn PDF document text
  • http://wskinbody.com/data/boardData/files/37840563109.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f022464fe6---38063322792.pdfIn PDF document text
  • https://copab.tn/216mag.svn/uploads/files/rixarekikeren.pdfIn PDF document text
  • https://sklepbonus.eu/userfiles/file/musofan.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613ec1c35f3a4---mizajedoxezigomubefox.pdfIn PDF document text
  • https://clicksnepal.grnca.org/img/files/files/45339385423.pdfIn PDF document text
  • http://terredellamagnagrecia.com/userfiles/files/29316901425.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=windows+7+home+oem+isoPDF 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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