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://gettraff.ru/123?keyword=microsoft+publisher+apk+gratis In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369502/normal_5f891397b5f67.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366958/normal_5f87c308d4e65.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366045/normal_5f86fa8d02859.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370052/normal_5f8933c6ef6c0.pdfIn PDF document text
  • https://ridolagu.weebly.com/uploads/1/3/0/7/130775195/4557862.pdfIn PDF document text
  • https://tipefejiri.weebly.com/uploads/1/3/0/9/130969755/junubozuke_vizipofu_jaxiboxovugur.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/lanadez.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367650/normal_5f889425df598.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368763/normal_5f87a69c70b88.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366633/normal_5f89155c389c0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366375/normal_5f88b7006c6ec.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365634/normal_5f8741b42b4e7.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/1/0496/9024/7352/files/4776480920.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0477/4694/1084/files/rusupelebuwelepoba.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/1521/7567/files/russian_roulette_david_corn.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/2531/8563/files/veda_in_english_free_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0460/1747/8815/files/frases_de_fe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/7897/4629/files/how_to_lan_minecraft_mac.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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