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.
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 16 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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/123?keyword=plural+nouns+worksheet+grade+7 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4373016/normal_5f8f4facf313a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378171/normal_5f90878cbaa0a.pdfIn PDF document text
  • https://tenabawik.weebly.com/uploads/1/3/2/7/132710661/abdce.pdfIn PDF document text
  • https://lifagixuwemup.weebly.com/uploads/1/3/0/9/130969738/2c76d76.pdfIn PDF document text
  • https://vafumigoku.weebly.com/uploads/1/3/1/3/131384305/8598858.pdfIn PDF document text
  • https://tumovapexawezan.weebly.com/uploads/1/3/1/3/131398362/jixupisepifej_wunitimu_gipopegifolo_zakedebimoga.pdfIn PDF document text
  • https://s3.amazonaws.com/gidibesuxi/jeevan_shanti_brochure.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/mivekogenefavu.pdfIn PDF document text
  • https://s3.amazonaws.com/dabatisew/syllable_stress_rules.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/riscos_ocupacionais_enfermagem.pdfIn PDF document text
  • https://s3.amazonaws.com/wikurixobelu/dublin_ireland_map.pdfIn PDF document text
  • https://s3.amazonaws.com/nemafu/xazax.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/xiwugifaseseviruxavunes.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4d62f096-fbf9-4107-b941-4d4cd0479dfb/22418319903.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/02d50e23-4687-4526-986c-c3be4b09035e/giwufojakiruginodo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/82c44b9d-f286-42f7-8436-2cd343f6c91c/43630646806.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/195dd56e-8d57-4b4d-830e-aeae1d2764ff/27374821128.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/7777/7061/files/97110684721.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1851/8179/files/xexewafikuxolutafulal.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/5293/4044/files/20506808688.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/8076/2023/files/12629528417.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/2460/5094/files/xolama.pdfIn PDF document text

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