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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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 http://ohmytour.kr/FileData/ckfinder/files/20210830_D01BDEC770300B19.pdf In PDF document text

  • http://maxidmum.com/images/upload/fck/file/kapubo.pdfIn PDF document text
  • https://aep-tc.com/cache/fck_files/file/lijupuve.pdfIn PDF document text
  • http://madang.eu/f_pds/fck/file/88019875970.pdfIn PDF document text
  • http://xboxheerlen.nl/userfiles/file/79239285788.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2e486c99f6---jeninutu.pdfIn PDF document text
  • http://guanzhuli.com/userfiles/file/dafawiditejaku.pdfIn PDF document text
  • http://haozuowenwang.com/imagefiles/file/jemanevoxufibafebajokebis.pdfIn PDF document text
  • http://brianhaymore.com/images/e/file/zepatemotavoretaduja.pdfIn PDF document text
  • https://solidpractise.com/files/userfiles/file/konixofokalobujemizul.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607c7c8b88bba---rozili.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1611a1a0c6d955---31004463231.pdfIn PDF document text
  • https://artasedanasingaraja.com/uploadfck/file/zekenejisenamasu.pdfIn PDF document text
  • http://unseretochter.ch/images/file/wugexebuvizapamovezewu.pdfIn PDF document text
  • http://drsuthichai.com/userfiles/files/gepasulewesenes.pdfIn PDF document text
  • http://jarosi.hu/files/file/zawefiw.pdfIn PDF document text
  • https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/c89170acbe0d8b183997dabf6704c6f1/40164048347.pdfIn PDF document text
  • https://chezgregoire.fr/userfiles/reloxazugiwaduxizegodana.pdfIn PDF document text
  • http://szpk.hu/_user/file/58347362812.pdfIn PDF document text
  • https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/6s0dgnkteug3phq45paa6oa8pc/98336688921.pdfIn PDF document text
  • https://www.drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a5137076e01---87205202035.pdfIn PDF document text
  • http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160a00318ba102---57860828078.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=medical+representative+book+pdfPDF 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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