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://cctraff.ru/aws?keyword=act+math+vocabulary+word+search+answers In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367287/normal_5f8ef4903ee8d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366367/normal_5f87146dcd62c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375361/normal_5f91d8e85b733.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380682/normal_5f96a17ad1948.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370266/normal_5f927f6dc93d5.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000723c.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000723c.bin)
  • https://s3.amazonaws.com/wonoti/6327078647.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/1560/2339/files/jesus_help_me.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/58a4efbc-b239-4082-99c7-bf542a4c27de/70539413711.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/0799/0184/files/halloween_wallpaper_apps_for_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/9931/6131/files/soxuwilatuxugipuvijewo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/0153/0526/files/caballo_de_troya_1_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/catalogo_natura_ciclo_4_2019.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/4947/2159/files/broadmoor_high_school.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/nixuwifanojumopivogitet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/6640/0673/files/48385352974.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/0613/8787/files/92809000385.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/3630/1219/files/muzivido.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/8661/8017/files/manual_dynamic_tilt_wheelchair.pdfIn PDF document text
  • https://s3.amazonaws.com/gedimuta/komuvusiver.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/64020860-b3d7-440d-9a41-a6653ecf9364/7137958725.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0507/2070/2624/files/91278276398.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/example_of_argumentative_essay_about_education.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_off0000723c.bin)

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