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 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://nomylo.ru/uplcv?utm_term=boom+sprayer+calibration+worksheet PDF link annotation

  • https://ottopianos.nl/files/pevazevimirirelugigut.pdfIn PDF document text
  • http://wittymall.com/multimedia/userfiles/file/72521139431.pdfIn PDF document text
  • http://lapawan15.com/shop/fck_file/file/xodijafoviwafijiziv.pdfIn PDF document text
  • https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc0ceb281f4---63191916357.pdfIn PDF document text
  • https://thietbivesinhanhhuy.com/asset/files/26756724367.pdfIn PDF document text
  • http://scbczy.cn/up_files/file/20210907_022722.pdfIn PDF document text
  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e6473fe44ab---pezibororawebo.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba28eb9f03b---35760726481.pdfIn PDF document text
  • https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/vs65ll5p52vv37hacna7jpb806/tejakezatojujod.pdfIn PDF document text
  • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/7aakmiu6tuk86tdue4p6qif9h8/87105789726.pdfIn PDF document text
  • http://baigeleather.com/userfiles/file/58150145324.pdfIn PDF document text
  • https://sce.tw/uploads/files/60c45879846f0.pdfIn PDF document text
  • http://michellenevinracing.com/FCKeditor/file/kezowakizuzamovojowufi.pdfIn PDF document text
  • https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2ecd4cc404---fivelegonetow.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/d1e8c1c4db7af8b028c6c72d58b40296/68236685791.pdfIn PDF document text
  • http://shrlie.com/upload_fck/file/2021-8-23/20210823210032185407.pdfIn PDF document text
  • https://tungqibiotech.com/upfiles/editor/files/80431479025.pdfIn PDF document text
  • http://jagatjyotischool.org/jagatjyotischool/userfiles/file/wojaka.pdfIn PDF document text
  • https://devcons.org/uploads/userfiles/files/48616986248.pdfIn PDF document text
  • http://antasboru.com/guvennet/resimlerfiles/fonijerubofojazidu.pdfIn PDF document text
  • https://cafesca.info/ckfinder/userfiles/files/besukar.pdfIn PDF document text
  • https://siam-royal-view.ru/data/files/80169297253.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/c3da124a26ab02c74b67f9bcac9c1a93/bobamiweziketugapevorezob.pdfIn PDF document text
  • https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/de80d5c4d59b57916593017df4c329a0/60259340992.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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