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://philabc.ru/uplcv?utm_term=unfollowers+for+instagram+apk+download PDF link annotation

  • http://downtowncincyhotels.com/core_degree/admin/images/cms_imagesfiles/65571031103.pdfIn PDF document text
  • http://posicert.com/upload_fck/file/2021-9-14/20210914024507727663.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c1980cade2---20096703653.pdfIn PDF document text
  • http://mxag.com/upload/browse/file/36028717099.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613e088d14ba3---vobukonijirus.pdfIn PDF document text
  • https://suprizpin.com/calisma2/files/uploads/77863339779.pdfIn PDF document text
  • http://www.tlo.ntou.edu.tw/ckfinder/userfiles/files/45667019639.pdfIn PDF document text
  • https://anbuadidravidarmatrimony.com/ckfinder/userfiles/files/5700626485.pdfIn PDF document text
  • http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/12c5fba02d9969d2a813c3af92b61895/77506198580.pdfIn PDF document text
  • http://hnkingdee.cn/Files/file/202192111425.pdfIn PDF document text
  • http://bayanairag.com/uploads/userfiles/files/31429094827.pdfIn PDF document text
  • https://vanvoorst.info/uploaded/file/25896926105.pdfIn PDF document text
  • https://weilaimachinery.com/userfiles/files/niwipazivosolu.pdfIn PDF document text
  • http://dolphinkorea.com/files/files/50577605650.pdfIn PDF document text
  • https://cursosadistanciayonline.com/medios/files/63181377526.pdfIn PDF document text
  • http://narnivet.com/userfiles/files/60756996416.pdfIn PDF document text
  • http://aptwash.com/userData/ebizro_board/file/46745763315.pdfIn PDF document text
  • https://tatvan.in/userfiles/file/bafujusasubuko.pdfIn PDF document text
  • https://etcbt.com/userfiles/file/11668125964.pdfIn PDF document text
  • https://msvadba.ru/files/file/45098452943.pdfIn PDF document text
  • http://plkorea77.com/ckupload/files/rofiv.pdfIn PDF document text
  • https://marblobathware.ph/app/webroot/img/files/pugaporamoribes.pdfIn PDF document text
  • http://hglobaltour.com/FileData/ckfinder/files/20210907_3B15D8F8CEA500DF.pdfIn PDF document text
  • http://blesk-stroy.ru/userfiles/files/2483221379.pdfIn PDF document text
  • https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/1b3f484ff563dc63d946d8a82055d3c1/gigenitabewikirosovisiba.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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