Malicious PDF — malware analysis report

Heuristics 6

• 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.
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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.link/123?keyword=sony+vegas+13+authentication+code In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369322/normal_5f896dc77cd7f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416319/normal_5f9bad1d1eb81.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373992/normal_5f911416b4355.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379851/normal_5f9c0cc20f503.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4407983/normal_5f9333de6b79f.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off000074de.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off000074de.bin)
  • https://uploads.strikinglycdn.com/files/c8972c62-5f67-4f58-8f77-390cdc24f5a0/36929324546.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/7445/3149/files/37362649900.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/7632/6054/files/96438579616.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/05fca2a4-4d11-41ff-a071-389f0c222138/82816494077.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/7092/9090/files/bold_text_instagram_bio_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/8506/8456/files/kojapelumarik.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/7804/4833/files/rixufugamuxokexiwiza.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/5466/0770/files/android_checkselfpermission_in_service.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/3814/7228/files/19943448460.pdfIn PDF document text
  • https://s3.amazonaws.com/tobobowu/kofusopodod.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/2000/4761/files/best_reader_ios_2020.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_01_sfnt_off000074de.bin)

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