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://ggtraff.ru/123?keyword=oceanhorn+game+download+for+android+apkpure In PDF document text

  • https://site-1040003.mozfiles.com/files/1040003/47823847112.pdfIn PDF document text
  • https://site-1042023.mozfiles.com/files/1042023/58771650325.pdfIn PDF document text
  • https://site-1042992.mozfiles.com/files/1042992/the_sims_4_mod_apk_for_android.pdfIn PDF document text
  • https://site-1039210.mozfiles.com/files/1039210/bajalosunibefasegus.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366010/normal_5f8759c152ad5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367627/normal_5f88ddc5a9ef1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365621/normal_5f87139939585.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366302/normal_5f87715412689.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372702/normal_5f891104364e7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366040/normal_5f8700447f11c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368982/normal_5f87fb95cfe21.pdfIn PDF document text
  • https://site-1044106.mozfiles.com/files/1044106/susotevovoliropetixufori.pdfIn PDF document text
  • https://site-1043283.mozfiles.com/files/1043283/55275998849.pdfIn PDF document text
  • https://site-1040885.mozfiles.com/files/1040885/25969286179.pdfIn PDF document text
  • https://site-1042765.mozfiles.com/files/1042765/calculus_early_transcendentals_metric_version.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/1/0429/7113/6154/files/definicion_de_texto_expositivo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/6445/5079/files/circuit_symbols_matching_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0242/9092/files/que_es_una_republica_democratica.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/5540/6494/files/68892628061.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/6104/1559/files/66655011542.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/6296/6937/files/need_for_speed_edge_pc.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/7102/0960/files/padamogedarozid.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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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