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.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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://ggtraff.ru/wb?keyword=mcmurry%20reaction%20pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366664/normal_5f87bce798699.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366357/normal_5f9129e5ed5a0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384048/normal_5f8c2a6aabaa4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376610/normal_5f8acac51a6c3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368984/normal_5f912c42cdb77.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369626/normal_5f8b72b8cc94a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368485/normal_5f8d8ff73acad.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369903/normal_5f8de6969320c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372980/normal_5f9328c24dbec.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379385/normal_5f90c219c89b2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370076/normal_5f888b0368711.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/1016/5416/files/7437253971.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/3785/0262/files/pic_collage_with_video_app_for_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/1731/2152/files/juego_vestir_a_bulma_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0464/1502/0200/files/security_protected_password.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8996/2184/files/9954092178.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/9816/8219/files/nonusudosedukodotegixadev.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/8377/5643/files/dikidejasavipev.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/8792/1313/files/59583185974.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/0665/9240/files/40665046025.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/8359/4909/files/zupusofot.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0467/7763/0873/files/xviii_roman_numerals.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/7888/6599/files/electricity_and_magnetism_unit_test_study_guide.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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