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.cc/123?keyword=a+word+that+starts+with+rr+in+spanish In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366367/normal_5f870e4d9b05b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417827/normal_5f98ab86152ba.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383567/normal_5f8bd2eaa1cc9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393364/normal_5f8ea27a06f65.pdfIn PDF document text
  • https://wepugimi.weebly.com/uploads/1/3/1/0/131070973/kelozom.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/063a4aa0-608d-4b1b-8210-234210ce66c0/6726265452.pdfIn PDF document text
  • https://s3.amazonaws.com/dovulavavo/fungsi_manajemen_actuating.pdfIn PDF document text
  • https://s3.amazonaws.com/nopomewegobij/burrows_and_badgers_rules.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b34c74ab-d5a2-4e95-9fa8-2c3b27f86c1a/99610652199.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aac09028-f831-4494-bfab-d8ab58fa1e21/33293809811.pdfIn PDF document text
  • https://s3.amazonaws.com/sifawekujiki/merawubonexoti.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/atlas_of_human_anatomy_for_the_artist.pdfIn PDF document text
  • https://s3.amazonaws.com/legenapi/multifactor_leadership_questionnaire.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d014806f-f17b-497c-897f-201503eedecf/65237836709.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f194adcf-0fd9-47d0-880b-e5abb6e952a0/everyman_modern_translation.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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