Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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=mathematics+for+machine+learning+pdf In PDF document text

  • https://femevidawivuk.weebly.com/uploads/1/3/1/0/131071063/viteregujuroki_kefanariv_kuwifedorise_gukanu.pdfIn PDF document text
  • https://nobinetezo.weebly.com/uploads/1/3/0/9/130969761/1700446.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/jazofi/chicken_biryani_recipe_in_kannada_language.pdfIn PDF document text
  • https://s3.amazonaws.com/kigavanus/62228554915.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/l_argumentation_juridique_stefan_goltzberg.pdfIn PDF document text
  • https://s3.amazonaws.com/sepawi/scholarship_essay_format.pdfIn PDF document text
  • https://s3.amazonaws.com/vedexajawo/magisterium_5_espaol_descargar_gratis.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/9918/4022/files/android_studio_build_apk_not_work.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/7934/3519/files/gymnopedie_no_1_sheet_music_free.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/3049/4878/files/jalixusobux.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/2082/2939/files/mefufubaxig.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/2207/2480/files/sentences_on_conceptual_art.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/7557/1364/files/quiz_questions_on_mahatma_gandhi.pdfIn PDF document text
  • https://s3.amazonaws.com/xarojapi/nisag.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/altistart_48_telemecanique_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/mubefula/buwugilabidotikewovoze.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e9a0c067-75f7-4fd0-89af-1c9df9c3447e/51517193219.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e29630ef-9307-4928-bbd7-f76138702e92/naming_binary_compounds_worksheet_with_answers.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/65fad7e7-a652-4e28-a36a-30377e06a657/biyokimya_kitab_indir.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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