Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://philabc.ru/uplcv?utm_term=market+unlocker+apk+no+root PDF link annotation

  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/af15401e382a05bcb6ac6f457738088b/94728778438.pdfIn PDF document text
  • http://worshipedia.mobi/sites/default/files/file/25987780859.pdfIn PDF document text
  • http://fiumaradelsossio.it/userfiles/files/23935833676.pdfIn PDF document text
  • http://twilaw.com/files/files/bigaxap.pdfIn PDF document text
  • https://vpmemorial.net/images/file/magurisat.pdfIn PDF document text
  • http://nhasachthunam.com/upload/files/nokofewufavelet.pdfIn PDF document text
  • http://boxerdapolenta.com/cmsimple/images/file/86418506981.pdfIn PDF document text
  • https://aynadakikemalizm.com/resimler/files/2339113189.pdfIn PDF document text
  • https://srsatta.com/ckfinder/userfiles/files/22269327918.pdfIn PDF document text
  • http://geometrabottero.it/userfiles/files/58009489457.pdfIn PDF document text
  • https://vicotelecom.vn/static/source/images/file/17884060469.pdfIn PDF document text
  • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/161459d37e7da7---25386595559.pdfIn PDF document text
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f283b324ea---lujozuvav.pdfIn PDF document text
  • http://sportsgarten.com/editorData/file/labedinunovaje.pdfIn PDF document text
  • https://gestionarival.com/userfiles/file/27947242760.pdfIn PDF document text
  • http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/85628810686.pdfIn PDF document text
  • http://nextlab-semi.com/files/fckeditor/file/megigerivul.pdfIn PDF document text
  • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614c267059a3a---dukodejuvidaliwexoreb.pdfIn PDF document text
  • http://onnetsolution.in/userfiles/file/22653445390.pdfIn PDF document text
  • https://chetanaus.org/bheru/uploadfiles/file/vulutilosinawuwemaxunixu.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/9ph9q975k6e327ei6iicvb1qp5/80665045221.pdfIn PDF document text
  • https://champion-osk.pl/userfiles/file/banekowexab.pdfIn PDF document text
  • http://suachuaspa.com/upload/images-content/files/zanigemi.pdfIn PDF document text
  • https://aymsoft.us/aym_image/files/rojejimepa.pdfIn PDF document text
  • http://notariocprietoa.com/notaria/documentos/files/loduwiko.pdfIn PDF document text
  • http://w-mill.jp/images/file/lamomuzorinikilutibu.pdfIn PDF document text
  • 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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