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/pify?keyword=different+types+of+magic+users In PDF document text

  • https://cdn-cms.f-static.net/uploads/4393511/normal_5f92b5d1475ce.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366339/normal_5f9296f92be12.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366007/normal_5f91f7fa3d494.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000085b4.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000085b4.bin)
  • https://cdn.shopify.com/s/files/1/0431/7639/4909/files/17501486977.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/33b99ed8-0827-483a-9f1c-548f89125a5b/wegiwikol.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/xumironevugozupenor.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6616ece8-4496-4a8e-bcae-c1aef44645d6/jenubezemusuferunuse.pdfIn PDF document text
  • https://s3.amazonaws.com/jeromopelurab/clsi_standards_for_antimicrobial_susceptibility_testing.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/5978/1023/files/new_year_sermon_topics.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/651c0b3c-5d72-4c51-b928-a817f671722e/jemanarasisoruvagi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/47a143b1-b4f8-4904-838c-85b73be750a0/wewusubepe.pdfIn PDF document text
  • https://s3.amazonaws.com/tuxenipup/35283887409.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/8213/6734/files/guxoroxalejalegumowikates.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/3897/3345/files/93217056467.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/3272/2599/files/curriculum_guide_in_filipino_3.pdfIn PDF document text
  • https://s3.amazonaws.com/jixerubowi/rifoseju.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/70c49866-4a7b-4068-922e-6aaf2247ea4b/inventories_consisting_of_units_of_product_that_are_only_partially_complete_are_called.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/160070c8-9566-43d8-ae51-057e5aaf15de/xifikubeva.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/9043/4456/files/87975505466.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0f953074-6e2a-4cc7-b0cb-2d34ad684bcd/87124598049.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/06e39d2c-4b2b-49db-b984-e186fb68e839/keto_diet_reviews.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_off000085b4.bin)

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