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.cc/123?keyword=%25E0%25B8%2599%25E0%25B8%25B4%25E0%25B8%25A2%25E0%25B8%25B2%25E0%25B8%25A2+%25E0%25B8%2588%25E0%25B8%25B5%25E0%25B8%2599+pdf+2019+4sh In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369189/normal_5f95d9667dcd9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408478/normal_5f947e6f8fa2d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368752/normal_5f95bdeaa6b16.pdfIn PDF document text
  • https://tegugozitofo.weebly.com/uploads/1/3/0/8/130874592/libete_famomodizalodug_xeroxopizawokej.pdfIn PDF document text
  • https://walijogopabo.weebly.com/uploads/1/3/0/7/130776167/d0e99b7638402.pdfIn PDF document text
  • https://tarirubawapub.weebly.com/uploads/1/3/1/6/131606173/burug-juxen-retigigada-morup.pdfIn PDF document text
  • https://zenefuzivoxog.weebly.com/uploads/1/3/4/1/134108933/runogot.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385634/normal_5f905cf0e13f4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4420910/normal_5f975ff3eb5c3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368760/normal_5f8c24fb2a095.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378599/normal_5f918f74277f7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417221/normal_5f97751adb3d4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377697/normal_5f949c4d0fd5a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402486/normal_5f95f9475509f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379486/normal_5f9750298d52a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365612/normal_5f86fa29b3b72.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381528/normal_5f97677f34aae.pdfIn PDF document text
  • http://www.opentle.orgIn 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/1/0471/0462/2742/files/nc_motorcycle_permit_book.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/3502/1471/files/derechos_civiles_de_los_estados_unidos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/8365/3016/files/voximugofenotiba.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/0639/7096/files/running_window_function.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/3997/6345/files/basic_arrhythmias_7th_edition.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/3038/3272/files/user_story_mapping_book_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/7914/6919/files/cuotas_de_ventas_por_volumen.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/9464/2340/files/gevujuda.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://www.gnu.org/licenses/gpl.htmlIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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