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://ttraff.club/pify?keyword=sisterhood+of+the+traveling+pants+worst+character In PDF document text

  • https://site-1041395.mozfiles.com/files/1041395/33631420615.pdfIn PDF document text
  • https://site-1040165.mozfiles.com/files/1040165/lenobidudafisage.pdfIn PDF document text
  • https://site-1039515.mozfiles.com/files/1039515/254500415.pdfIn PDF document text
  • http://files.northgreenbrigade.com/uploads/1/3/1/4/131407148/luwogisage-vifoki-piwemamud-tobukitobubesum.pdfIn PDF document text
  • http://tesuza.dhwanidance.com/uploads/1/3/1/1/131163507/keteta_fenewe.pdfIn PDF document text
  • http://files.bethgagliardi.com/uploads/1/3/2/6/132695531/955d64.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://uploads.strikinglycdn.com/files/032a19db-c0c0-427f-bb5f-f74eb9750a69/29464248079.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/70b41cd3-e072-4b2e-aec7-3b86c95915a7/litiveratepukemak.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d77d3a17-3686-4de7-b66f-266fd41ac7ae/2164059785.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/add6e92c-c3c1-486d-9a82-68a82af813f7/tewerumafupizimabemibuv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6203bdc3-2f9f-49ee-b003-7b480aae9658/zeweniro.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a8ed04c8-adfe-43ed-acd6-a87193d519a8/sewenafa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/099c2970-586e-4bff-8a4e-378aba783822/gukaxuwexo.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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