Malicious PDF — malware analysis report

Heuristics 4

• 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://ttraff.me/123?keyword=pioneer+valley+regional+school+district In PDF document text

  • https://cdn-cms.f-static.net/uploads/4389616/normal_5f966151efa5f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367646/normal_5f91616f0cab2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365536/normal_5f87441a869fa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365619/normal_5f89a0201484d.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://s3.amazonaws.com/tadovu/nugevonuves.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a998459e-c6c8-4832-8008-026a85e1d9e8/glencoe_math_accelerated_pre_algebra_answers.pdfIn PDF document text
  • https://s3.amazonaws.com/pujinit/kpop_new_song_2015.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/72aae3ef-23e9-4d22-809e-21274fa00eab/19942432325.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/605bc5c6-594e-4189-bac9-5059cab65655/50386660635.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5911abba-9fd2-4c7e-a3e8-8e446f996e9a/dabezumozopevo.pdfIn PDF document text
  • https://s3.amazonaws.com/lorerexeg/justin_tv_hockey.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2b7669b9-ab4d-4e2e-8963-3e0070e1eb0a/29152061389.pdfIn PDF document text
  • https://s3.amazonaws.com/purawuma/job_application_format_download.pdfIn PDF document text
  • https://s3.amazonaws.com/xojafemori/edison_tech_high_school_phone_number.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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