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/123?keyword=activity+2.3+glass+box+answers In PDF document text

  • https://cdn-cms.f-static.net/uploads/4374979/normal_5f8a2be052bcf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365589/normal_5f8cbd849d42e.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/ceae6577-753f-49cc-84d0-147eb9b75214/puperesupadow.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/38f29a0a-9dcc-4627-a1c4-e99ba834620b/chaudiere_centora_code_erreur.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fa3f0ba2-1797-4518-b058-5bb84136275e/59788094488.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/26978dc7-8c8b-4c8a-86ee-05545759cbbb/pixels_online_free_movie.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/da1f0701-590c-47a4-899f-e9ccf299fefe/67544416254.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8dae4035-9363-48a9-a780-49ced7f4c750/punctuation_test.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/bible_verses_about_the_holy_spirit.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/4471/8760/files/convert_to_kindle_e_reader.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0505/1596/8172/files/16783113001.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/orthodox_tewahedo_bible_in_english.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/7147/9201/files/33941172440.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/0034/7299/files/90017839798.pdfIn PDF document text
  • https://s3.amazonaws.com/dowavelaxam/kowokaxepokigevifa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b24c776a-59cb-4776-b7fb-30911dd44a94/6767106562.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/depoxod.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/contoh_proposal_skripsi_kualitatif_pendidikan_agama_islam.pdfIn PDF document text
  • https://s3.amazonaws.com/jojitagifuva/introduction_search_engine_optimization.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ecf84d9f-ac43-4a97-9a2d-e748c36cb49a/fomugudukasinesitateleb.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/6938/2557/files/definition_of_additive_property_of_equality_in_math.pdfIn PDF document text
  • https://s3.amazonaws.com/joterige/biblical_commentary.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/corporations_act_2001_download.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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