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.link/pify?keyword=hunter+x-core+controller In PDF document text

  • http://files.normansglutenfree.com.au/uploads/1/3/0/7/130740298/dc394bdd.pdfIn PDF document text
  • http://tipuwu.thelackawaxenmusicfestival.com/uploads/1/3/2/6/132695675/dobemaxeze.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://static.usrfiles.com/ugd/b8c837_aa6cf3ac9bec41c99a191e674a947401.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/5f226e_f37926ad5f1a4bc09d97ed30b62d3524.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/12dc78_ef989c35a3b347b0aee6d5caf4073e54.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/0f1814_593cb7ceecdf40aca368a8be76dbb539.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/b8c837_e995d909b2bf4266af476b56856beed5.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/227d0f_612a099b547b4c1a976e8f469f7aaa01.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/4d548e_d9f4b2bb0d0c4d9aaa527db8272207bb.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/f7fbc8_7f3b374f34c445978e96c32f82ac7231.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/ab922d_c8f72513c6a24d6f821cff5e39888e51.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/4c3ae3_390a014e5e8a46cbb93674c92ddfeec9.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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