Malicious PDF — malware analysis report

Heuristics 5

• 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.
• 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
• 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://ttraff.cc/pify?keyword=devil+may+cry+apk+revdl In PDF document text

  • https://cdn-cms.f-static.net/uploads/4372080/normal_5f9a051478d5b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388407/normal_5f8eb226d87d5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405651/normal_5f96179628bd5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365586/normal_5f8b4fe959b6a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366947/normal_5f8746e885b24.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365646/normal_5f8fe8f28ed24.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/kudefem/edgar_martin_middle_school_phone_number.pdfIn PDF document text
  • https://s3.amazonaws.com/leteraxewe/72246864349.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/muzebamozufovinine.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2f7e6697-073e-4d13-bd30-761c4a3bf47a/fozekagojatuvofikozuzu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/156eccd8-f110-41ab-8254-56c24767cb83/losimisimuki.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0491/6959/6582/files/fineresagesi.pdfIn PDF document text
  • https://s3.amazonaws.com/wotodedaruzuk/11.1_radical_expressions_and_rational_exponents_worksheet_answers.pdfIn PDF document text
  • https://s3.amazonaws.com/vavebufevodutob/45482842883.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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