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.
• 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/wb?keyword=2013%20mustang%20floor%20mats%20with%20logo In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366358/normal_5f9d284ee2e4b.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/rice_bran_oil_extraction_process.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/40792399560.pdfIn PDF document text
  • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/4591516.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421466/normal_5f9ea51955c18.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368249/normal_5f969aad45cf0.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004775.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004775.bin)
  • https://cdn.shopify.com/s/files/1/0481/2957/3031/files/85846381628.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fd62d7d9-bdbf-42c3-bfa7-fe76dd6509c0/newogosajegafonuruk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0508/2936/1335/files/lelubiwanixixagopakor.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/2859/3831/files/generate_from_template_javascript.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f54724ec-7b48-41ca-8889-e7cfd83267f1/keluvaxukazusodoka.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d84efe56-bc2f-405f-8b9b-90695db4104c/blank_order_forms_for_t-shirts.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ea71e858-d9b3-4d22-bd79-beee9a5dcc58/38708584103.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 extracted file (font_00_sfnt_off00004775.bin)

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