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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://ketchas.ru/uplcv?utm_term=give+execute+permission+linux PDF link annotation

  • http://serbanindustrialconstruct.ro/uploads/files/88837227508.pdfIn PDF document text
  • https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/napozasexi.pdfIn PDF document text
  • http://dreamcatcherltd.com/userfiles/file/zalugasi.pdfIn PDF document text
  • https://porfic.com/fotos/file/26841379148.pdfIn PDF document text
  • http://qtjdb.com/UploadFile/2021/09/24/file/20210924_202503_155.pdfIn PDF document text
  • http://encino.kopanramen.com/uploads/files/68055551729.pdfIn PDF document text
  • http://guoyangmoju.com/userfiles/files/28278011242.pdfIn PDF document text
  • http://citty.org/images/uploads/file/83220206117.pdfIn PDF document text
  • http://wintec-samu.hu/uploads/files/68649681926.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161516e7029cdd---97615671866.pdfIn PDF document text
  • http://dachastyle.com/userfiles/file/fokaseburixizagu.pdfIn PDF document text
  • http://yansyuan.com/UserFiles/images/files/xawaxonelegefutigibiwasuv.pdfIn PDF document text
  • http://www.ruben.pl/ckfinder/userfiles/files/86350537733.pdfIn PDF document text
  • http://luatsugiadinhviet.com/upload/ck/files/porawopa.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16150fb7827205---jebujefanusisivutadaz.pdfIn PDF document text
  • https://baoyi-chuck.com/ckfinder/userfiles/files/renarajevetikoge.pdfIn PDF document text
  • https://inprovitpuertorico.com/ckfinder/userfiles/files/gizilamudawalemeloxajiden.pdfIn PDF document text
  • http://factorycontrolprojects.com/userfiles/file/87156041444.pdfIn PDF document text
  • http://157.230.241.115/image/upload/File/pinuvozikiterozivipupuz.pdfPDF link annotation
  • http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/fenobikegus.pdfIn PDF document text
  • https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/5acf6d0a5b54cd35ff665a6709212b28/96043562784.pdfIn PDF document text
  • http://dobrejaja.com/Upload/file/vonalujawomiv.pdfIn PDF document text
  • http://confidenzacsapagy.hu/upload/56783079219.pdfIn PDF document text
  • http://poorun.net/userData/ebizro_board/file/samugawaworuwefilovaravi.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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