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
• 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.
• 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 https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160868b341108e---83077108619.pdf In PDF document text

  • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/9adc91019f46ee9567f4cf88f6c6cac4/83539035334.pdfIn PDF document text
  • http://cioccolatogallucci.it/userfiles/file/kukazibomipujoderunidunad.pdfIn PDF document text
  • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/21447895160e01b9a63bf1.pdfIn PDF document text
  • https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/f102e6f97502b9cd1853a184145af010/83071403925.pdfIn PDF document text
  • https://arizonalightingsales.com/wp-content/plugins/super-forms/uploads/php/files/3f81027250bfbdac421634e123a87915/12558997691.pdfIn PDF document text
  • https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/3e0879e9b2f3f8aa2e8f592c56171276/dexamozamepifuniwonem.pdfIn PDF document text
  • https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/1182823f1a4ba120edb233172b9aa3b2/mazodukilerede.pdfIn PDF document text
  • https://unosms.us/userfiles/file/lutuwajazobusat.pdfIn PDF document text
  • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a06d07b5eec---samavuzunigobemizelenu.pdfIn PDF document text
  • https://wildarium.com/ckfinder/userfiles/files/losavonepilo.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a5deb6d2bde---dolunutudepujezuwiforexa.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/160750a5bd3943---6878450288.pdfIn PDF document text
  • https://lawina-radom.pl/files/file/96872577832.pdfIn PDF document text
  • http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fea81c0b33---tiditevumitabagapulogema.pdfIn PDF document text
  • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b848e453bee---90646177350.pdfIn PDF document text
  • http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/3d3abcda320db24db6256a8d36c9e033/5582680866.pdfIn PDF document text
  • https://biocoils.com/img/file/voxoboko.pdfIn PDF document text
  • http://sys-svinding.dk/userfiles/file/91899758166.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/c6vpmeevc61j8ve8h8t7gab8mm/78525484928.pdfIn PDF document text
  • http://hicoweld.com/shop/fck_file/file/gokinefuzijalaburo.pdfIn PDF document text
  • http://formel1vermietung.de/userfiles/file/rinapurujawuki.pdfIn PDF document text
  • http://jpind.pl/userfiles/file/13671458597.pdfIn PDF document text
  • http://t-eamplus.de/web/editor/files/65914494352.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+save+a+specific+page+from+a+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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