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/wb?keyword=historical%20dictionary%20of%20socialism%20pdf In PDF document text

  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/7954/3200/files/29082657880.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/9729/1425/files/vetejadebejejewo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/3746/1160/files/give_up_robot_2.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/4643/1637/files/75th_birthday_gift_ideas_for_husband.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9a7183bf-6202-40de-bfb9-f5d9d49d2131/dasefek.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8ae29746-4507-46d8-ab77-0e92561475a2/88670327963.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/91599087-107a-4261-af5d-06428e5d7091/supiropi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/3811/9838/files/37714631036.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/6206/5828/files/identifying_numbers_10-20_worksheets.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0465/0126/5566/files/33766174832.pdfIn PDF document text
  • https://s3.amazonaws.com/wiwuxot/aspen_plus_getting_started.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/blackbird_tabs_guitar.pdfIn PDF document text
  • https://s3.amazonaws.com/wupiwupiwot/birkat_hamazon_short_version.pdfIn PDF document text
  • https://s3.amazonaws.com/rubidokezive/amebiasis_2019.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/7425/1671/files/transcription_app_for_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/0475/4601/files/99960799322.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/6790/2626/files/39993971857.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8394/8728/files/phoenix_symphony_hall_seating_chart.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/9929/4363/files/39799165955.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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