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=pdf+to+word+converter+app+for+desktop In PDF document text

  • https://cdn-cms.f-static.net/uploads/4373504/normal_5f89de5e1a14c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392864/normal_5f91c0a7f178d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377125/normal_5f8bc458a9dae.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368243/normal_5f89a803c5c85.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368504/normal_5f8f64b2b02b6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385014/normal_5f9384ae135da.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365659/normal_5f92ebdaaeb14.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4394073/normal_5f9458c7bc06a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4407069/normal_5f936b770f3ee.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375887/normal_5f8de4a57a0d1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369165/normal_5f926541ddfe9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376404/normal_5f8cff54af290.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366662/normal_5f883c63254ad.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375517/normal_5f8b982d099dd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383679/normal_5f8f17603dc53.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386593/normal_5f8e7990db092.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383695/normal_5f90f99f2f81e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390642/normal_5f8e32e96eac0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368949/normal_5f8de0e71f857.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007198.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007198.bin)
  • https://cdn.shopify.com/s/files/1/0268/8391/5953/files/3358241783.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9261/6390/files/binding_of_isaac_2_of_clubs.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/4309/5196/files/47569947687.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/3096/1054/files/57205799945.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_off00007198.bin)

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