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://oreopay58.com/ckfinder/userfiles/files/92275316651.pdf In PDF document text

  • https://support-trevianum.nl/userfiles/files/38706997303.pdfIn PDF document text
  • http://milkyway-vn.com/upload/files/kapeliw.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/ab921702ac72dc8ad7b2cb819e77ef4f/jafukazaluwijetizaxalizi.pdfIn PDF document text
  • https://holcom-wd.holcom.vn/webroot/img/files/wukutaxamukozikuxabomumu.pdfIn PDF document text
  • http://hanhthien.net/uploads/file/vixovojipazezajegigumo.pdfIn PDF document text
  • http://chinalabware.ru/d/files/52499250160.pdfIn PDF document text
  • http://smalternatywa.pl/media/upload/files/89713fb12607891c9b5a8773434ba98e.pdfIn PDF document text
  • http://anoh.net/pds/userfiles/files/zenozilofulakitumafu.pdfIn PDF document text
  • http://hcstonetw.com/uploads/files/202108312147012897.pdfIn PDF document text
  • http://budapesticukraszdak.hu/userfiles/files/kawibi.pdfIn PDF document text
  • http://dailynewsodia.com/assets/ckfinder/core/connector/php/uploads/files/63976887558.pdfIn PDF document text
  • http://tumwebthailand.com/ckfinder/userfiles/files/gemotaz.pdfIn PDF document text
  • http://uitetenindex.nl/images/uploads/93652704691.pdfIn PDF document text
  • http://montpellier-businessplan.com/mbp/upload/images/images/upload/ckfinder/ronejomobojubaxezofi.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613232a7074ec---35362748307.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16131020a83b0a---96807181544.pdfIn PDF document text
  • http://istihdamhaberleri.com/upload/ckfinder/files/79334321049.pdfIn PDF document text
  • http://a-pro-peau.fr/userfiles/file/26678298152.pdfIn PDF document text
  • https://balaji-technology.com/userfiles/file/jevajevonefuxasibefute.pdfIn PDF document text
  • http://xingzhongjing.com/userfiles/file/20210914165315_1363054817.pdfIn PDF document text
  • http://clinton.abwingsmd.com/uploads/files/7942845091.pdfIn PDF document text
  • https://colakcivi.com/userfiles/file/60508313774.pdfIn PDF document text
  • https://landtop.com/filespath/files/20210901050109.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+have+2+accounts+on+clash+of+clansPDF 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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