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.link/pify?keyword=2d+shape+venn+diagram+worksheet+ks1 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366400/normal_5f871f471872c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367911/normal_5f87f7ae40526.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377371/normal_5f8e0113be8e1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368741/normal_5f8c0e35bfbeb.pdfIn 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/1/0483/5849/0275/files/medicare_non_contact_infrared_thermometer_instruction_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/0540/6115/files/medicares_program_integrity_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/1580/5349/files/91348978824.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/1912/7965/files/ford_floor_mats_f150.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/4828/7904/files/journeys_grade_3.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/8197/4435/files/sceptre_24_tv_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/3057/5787/files/apps_for_a_rooted_android_phone.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/7411/8325/files/aldi_frozen_beef_wellington_cooking_instructions.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/ashrae_1997_hvac_fundamentals_handbook.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/92906265493.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/ranalulibomafujejelade.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/vedazajigilebufubefen.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/41a35450-0909-411b-a840-c3ffcbc02589/38115015723.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c9340904-a8db-4f25-b74a-f7fa287b2491/52165241102.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/9140/2660/files/intermediate_algebra_concepts_with_applications.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/9602/5504/files/64642166305.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/3876/1109/files/lupisidezomo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/9222/1346/files/pldt_home_ultera_modem_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/9800/8472/files/kissasian_bride_of_the_water_god.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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