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
• Invisible PDF links to CAPTCHA-themed web lure high PDF_CAPTCHA_LINK_LURE
  PDF contains invisible clickable link annotations that point to a CAPTCHA/capcha-themed web path. This is a common phishing and ClickFix-style routing pattern: the PDF itself is inert, while the linked page performs the credential prompt or fake verification.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://jottigo.ru/aws?utm_term=cade+simu+software+free PDF link annotation

  • https://cdn.sqhk.co/jeporikate/d79jcnV/basic_entrepreneurial_skills_ppt.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4454043/normal_5fcd384a83835.pdfIn PDF document text
  • https://cdn.sqhk.co/woteruzid/bgh20ft/modern_redstone_smart_house_minecraft_pe.pdfIn PDF document text
  • https://cdn.sqhk.co/miloxuso/CxpPjaS/chevrolet_new_aveo_sonic_t3000.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4423429/normal_5fdf291f2dce9.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4414167/normal_60031fee1b574.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4493917/normal_600728e076629.pdfIn PDF document text
  • https://cdn.sqhk.co/mitebosareki/PicjjqH/bavemorolugevanajuledobu.pdfIn PDF document text
  • https://cdn.sqhk.co/baluwofuk/gP1QjdS/wildlife_coloring_pages_to_print.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://midelex.epizy.com/how_to_add_captcha_contact_form_7.pdfIn PDF document text
  • https://s3.amazonaws.com/mokamoba/90335295918.pdfIn PDF document text
  • https://s3.amazonaws.com/kezemiradigu/gadidopojevifenuri.pdfIn PDF document text
  • http://xatosizukav.epizy.com/alaipayuthey_songs_isaimini.pdfIn PDF document text
  • https://s3.amazonaws.com/mibiwivanetuj/template_slideshow_html5_css3.pdfIn PDF document text
  • https://s3.amazonaws.com/xovajukoxin/63788949289.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://scripts.sil.org/OFLIn PDF document text

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