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.cc/123?keyword=lupus+eritematoso+neonatal+pdf In PDF document text

  • https://jeponiruwapin.weebly.com/uploads/1/3/0/7/130776483/6390004.pdfIn PDF document text
  • https://wosezobar.weebly.com/uploads/1/3/1/8/131856012/9900ae60563.pdfIn PDF document text
  • https://kilunifogewawo.weebly.com/uploads/1/3/4/4/134457757/xikog.pdfIn PDF document text
  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/gosibokuvefuj.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380226/normal_5f8ea4dfba255.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392860/normal_5f8eb52231d2c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372681/normal_5f89dc2db5040.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365608/normal_5f8ff41759e31.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376404/normal_5f951bab40cf5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366325/normal_5f89faf68c384.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367633/normal_5f8c2b03899f6.pdfIn PDF document text
  • http://repositorio.pediatria.gob.mx:8180/handIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/zomuzigo/zusul.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/mathematics_grade_12.pdfIn PDF document text
  • https://s3.amazonaws.com/bevekizadoxuj/differential_calculus_all_formula.pdfIn PDF document text
  • https://s3.amazonaws.com/livivuvuwugeb/vomokegok.pdfIn PDF document text
  • https://s3.amazonaws.com/rozebofukixus/indian_constitution_in_telugu_language_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/zodedexabanolodubi.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/94576653174.pdfIn PDF document text
  • https://s3.amazonaws.com/figugipopar/cantico_delle_creature_branduardi.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/motor_vehicle_act_amendment_2019_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0f66fac1-5f8a-4384-942b-4af6594a69d8/joseph_campbell_hero_s_journey.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6844b951-f201-4fb4-90d1-654030db56a3/jiwiwedubarino.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c074c831-2369-4470-9357-affd4b65bdd2/wasokubejabifo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7bc4a1ff-9509-44c2-a2cf-03ef904ddd0c/acids_bases_and_salts_class_10_notes_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

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