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/123?keyword=android+mobile+phone+below+15000 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4375541/normal_5f8e2fd881ae9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381539/normal_5f8b73a58425e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366034/normal_5f86f63af03dc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389353/normal_5f8e2ee0e9971.pdfIn PDF document text
  • https://porelananov.weebly.com/uploads/1/3/0/7/130775759/muzakas_dinepi.pdfIn PDF document text
  • https://xonimitofowe.weebly.com/uploads/1/3/2/6/132682232/9013956.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/1/0432/0739/3439/files/loving_and_forgiving_lyrics.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/2044/3045/files/pewebejekigur.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/7481/8726/files/spotify_premium_apk_download_cracked_ios.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/32f13785-73da-44c0-b35c-dd9f923f8c3e/regekogepafizaduw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/79432d90-1d91-4393-b7d3-d372d30dffa2/74181547834.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b6b47ec9-4fae-44ca-962d-b9b1df5b2965/vusujumuvezo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/943a8220-f6a8-4325-84db-486053fe549d/vejudovamolaxolof.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0477/6479/9644/files/75866695954.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/7264/2972/files/vw_502.00_approved_oil_list.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/6002/2433/files/11567280954.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/8330/8962/files/gta_iv_apk_download_obb.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/8650/1806/files/curso_de_violo_para_iniciantes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/7749/1618/files/android_chrome_delete_individual_cookies.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/9469/5318/files/gramatica_basica_del_espaol_maria_moliner.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/3952/1430/files/download_games_lego_batman_2_for_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/5244/9435/files/ragnarok_m_crusader_leveling_guide.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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