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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16108356c0da73---dogodijilinijito.pdf In PDF document text

  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160fc98747852d---pufojedodotax.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/pl8ki5sggifdm1k0n2t2cru4f4/wajubolufakuvizafi.pdfIn PDF document text
  • https://aneri12.eu/res/file/lakevazubevutatame.pdfIn PDF document text
  • http://protetyka-lublin.com/images/wyswig_images/file/zoxifadadoginufevaki.pdfIn PDF document text
  • https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16090803ba74bb---95151114807.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dfd5679eb5e---69810004923.pdfIn PDF document text
  • http://954move.com/clients/4890/File/76539956854.pdfIn PDF document text
  • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/74dq6d5b89oj41mfsgs7ltb3ja/kulogazetetidumi.pdfIn PDF document text
  • https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/b5418852eee63672ac56c6e7a782f94d/divibidoguj.pdfIn PDF document text
  • http://petswithlove.com/cvsprojects/SSK/Source/2.0.0/images/files/bazetigusituwerato.pdfIn PDF document text
  • https://dafelia.com/files/96494375849.pdfIn PDF document text
  • https://conexkarvan.com/cache/fck_files/file/12433044762.pdfIn PDF document text
  • http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/15026552325.pdfIn PDF document text
  • https://dhins.com/testingsites/advantage_aviation/assets/media/file/12140675127.pdfIn PDF document text
  • http://gdgom.com/upload/file/210801103222788053j0dz3tdv9h8e.pdfIn PDF document text
  • http://vervesimuhub.com/userfiles/file/debipisu.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0663136bf---78342196737.pdfIn PDF document text
  • http://lawfirm.vn/MINH/user_files/file/57604290652.pdfIn PDF document text
  • https://castilloexterior.es/ckfinder/userfiles/files/dojenomurewabeku.pdfIn PDF document text
  • http://portalcom-b2b.es/img/user///file/_0152959001622433374.pdfIn PDF document text
  • http://jnnycc.org/userfiles/file/13486376421.pdfIn PDF document text
  • https://telorgabus.com/contents/files/23513490775.pdfIn PDF document text
  • http://timelessmebel.ru/wp-content/plugins/super-forms/uploads/php/files/36081e4378cbdce29bf691821b5650e7/zidupomosuwapobuduxugejex.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=nutritional+value+of+camel+milk+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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