Malicious PDF — malware analysis report

Heuristics 5

• 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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://yafferge.ru/wb?keyword=whatsapp%20messenger%20app%20for%20android In PDF document text

  • https://static.s123-cdn-static.com/uploads/4421215/normal_5feb8c72a1f7c.pdfIn PDF document text
  • https://site-1179350.mozfiles.com/files/1179350/warepopuzajigakedajilob.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4498983/normal_5fbf19a46b154.pdfIn PDF document text
  • https://site-1171458.mozfiles.com/files/1171458/30910653823.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4444866/normal_5f9c9d2044202.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4409411/normal_5ff5ef56799f4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4411480/normal_5f9eca3ef2ff5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4420760/normal_5faf317c6bab2.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4369185/normal_600515860d8a9.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4381751/normal_5ffe97e244904.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4378157/normal_5ff29ab83ed69.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/tigovatolis/43262366976.pdfIn PDF document text
  • https://s3.amazonaws.com/tamobalasu/lizidadazi.pdfIn PDF document text
  • https://s3.amazonaws.com/lebaxa/android_9._1_mobile_phones.pdfIn PDF document text
  • https://s3.amazonaws.com/vufupu/20732797891.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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