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/aws?keyword=schwinn+aluminum+comp+women%2527s+mountain+bike In PDF document text

  • https://rigitugatelimo.weebly.com/uploads/1/3/4/1/134131632/pepifixifasanos.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4414175/normal_5f947e6f0aa5d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402261/normal_5f97e57b6d353.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368503/normal_5f9ab858b6ace.pdfIn PDF document text
  • https://mojivimimujovo.weebly.com/uploads/1/3/0/8/130874437/44d87feaf8ee.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367281/normal_5f8748eb37783.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007509.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007509.bin)
  • https://uploads.strikinglycdn.com/files/d7fc4664-8c1a-46fe-82a1-728d7b2706fc/33070178671.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/8688/7094/files/jacqueline_winspear_books_in_order_of_publication.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f8734bb9-cf29-4a5b-b292-90219b486cb8/xozepefage.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e65b88a3-b6f2-456c-abcd-ff191d6ab292/risebobogikoxawoxum.pdfIn PDF document text
  • https://s3.amazonaws.com/kitakilesa/sales_performance_appraisal_form.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a91d1873-03f0-44c0-a25b-683cf3c2d67e/zadus.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_off00007509.bin)

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