Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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.me/123?keyword=grim+dawn+class+combos+2019 In PDF document text

  • https://dirigesibujov.weebly.com/uploads/1/3/0/9/130969991/ef7064233070876.pdfIn PDF document text
  • https://nigupisotaku.weebly.com/uploads/1/3/4/3/134374455/556d878b8.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000040c4.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000040c4.bin)
  • https://s3.amazonaws.com/felasorarabipis/volume_of_3d_shapes_formulas.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/57e0751b-d125-4e78-b1ed-2bdaaee44e7f/samugutukosibelevawebanuz.pdfIn PDF document text
  • https://s3.amazonaws.com/kulinisokakewi/blender_simple_animation_tutorial.pdfIn PDF document text
  • https://s3.amazonaws.com/jijumupade/basel_3_regulations.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/dawoodi_bohra_marsiya_book.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9540f789-f34b-4959-8140-07ccd521f010/sucesion_cuadratica_ejemplos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/2655/4781/files/xotiribibu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ebb34c30-68fb-4df3-9491-87c96475f2c0/homescapes_hacked_apk_unlimited_stars.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/5265/2951/files/snaptube_apk_free_download_for_laptop.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 extracted file (font_00_sfnt_off000040c4.bin)
  • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn extracted file (font_01_sfnt_off00005490.bin)
  • http://www.gnu.org/copyleft/gpl.htmRegularIn extracted file (font_01_sfnt_off00005490.bin)

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