Malicious PDF — malware analysis report

Heuristics 8

• PRC/3D content in PDF medium CVE related PDF_PRC_3D
  PDF contains PRC 3D content. PRC/U3D parsers have been a recurring Adobe Reader attack surface; treat as a related parser-exploit indicator rather than a specific CVE match.
• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://pixomot.ru/uplcv?utm_term=stephen+king+doctor+sleep+pdf PDF link annotation

  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb279e83aa---sedux.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/cbc68q4u9qciniffgodd6n48h3/16501412339.pdfIn PDF document text
  • https://manorhair.com/uploads/files/202109052331144756.pdfIn PDF document text
  • http://thewhitmerlawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nizixo.pdfIn PDF document text
  • http://isagenixmakessense.com/ckfinder/userfiles/files/16648121936.pdfIn PDF document text
  • http://volker-issmer.de/userfiles/file/18576053123.pdfIn PDF document text
  • http://shijijiaming.cn/filespath/files/20210912041616.pdfIn PDF document text
  • http://sipzip.com/userfiles/file/47167764665.pdfIn PDF document text
  • https://cometgroupinternational.com/ckeditor/ckfinder/userfiles/files/powejo.pdfIn PDF document text
  • http://silver.jo/ckfinder/blanc/files/14341993029.pdfIn PDF document text
  • http://faradtvandor.hu/picture/userfiles/file/39401089216.pdfIn PDF document text
  • http://neoneofitou.com/ckfinder/userfiles/files/81694404064.pdfIn PDF document text
  • http://clinicaveterinariacittadivignola.com/userfiles/files/vowaxaran.pdfIn PDF document text
  • http://epoptavky.com/is/images/FCKeditor/File/12146263185.pdfIn PDF document text
  • http://www.pavimentosyreformasferlu.es/ckfinder/userfiles/files/fuwixofekasuxuxisej.pdfIn PDF document text
  • http://vector-mebel.ru/uploads/files/mejezisu.pdfIn PDF document text
  • http://emanuelarombiarchitetto.eu/userfiles/files/lepugupaladobafel.pdfIn PDF document text
  • https://suksesunited.com/contents/files/zaguzawetamo.pdfIn PDF document text
  • https://biblioteka-koneck.pl/ckfinder/userfiles/files/82955325660.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d01314b97b---51376737644.pdfIn PDF document text
  • https://goldfieldssanddrags.com.au/ckfinder/userfiles/files/98653971096.pdfIn PDF document text
  • https://inprovitcentroamerica.com/ckfinder/userfiles/files/xalojoruto.pdfIn PDF document text
  • http://hengfengpaper.com/filespath/files/20210909092541.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/e62f51296bfa3464a0be2a7787d39bc8/19187479767.pdfIn PDF document text
  • http://likebarcode.com/image/files/20210910_234606.pdfIn PDF document text
  • https://cdmsig.com/ckfinder/userfiles/files/bokesudakikukabunimam.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-9-7/20210907014650180007.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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