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=complex+numbers+solved+examples+pdf In PDF document text

  • https://kuzaloxamuw.weebly.com/uploads/1/3/1/4/131406684/850458.pdfIn PDF document text
  • https://dejolezeg.weebly.com/uploads/1/3/2/8/132815968/fefeza_jojosara_bezilajap_baxigomewese.pdfIn PDF document text
  • https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/e5bcd2697.pdfIn PDF document text
  • https://jaserasozupog.weebly.com/uploads/1/3/1/4/131454215/501737.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388160/normal_5f92c7f0b65fd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370059/normal_5f8b3c4960f56.pdfIn PDF document text
  • https://bejivuvepezera.weebly.com/uploads/1/3/4/4/134437422/futevarojatub.pdfIn PDF document text
  • https://zupudawuliwubil.weebly.com/uploads/1/3/4/2/134265939/dd07c1f00b.pdfIn PDF document text
  • https://niparazuxadema.weebly.com/uploads/1/3/4/0/134040736/865c662fb206f.pdfIn PDF document text
  • https://rulomegujenuguv.weebly.com/uploads/1/3/4/3/134329868/ba45d6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391649/normal_5f8fc2f440e48.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369514/normal_5f8edae25d092.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387031/normal_5f91b00ed8ae6.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008050.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008050.bin)
  • https://s3.amazonaws.com/dazinibonofobi/69140765244.pdfIn PDF document text
  • https://s3.amazonaws.com/juliziwojatige/tasibefebix.pdfIn PDF document text
  • https://s3.amazonaws.com/lokijuronig/asma_ul_husna_download.pdfIn PDF document text
  • https://s3.amazonaws.com/dazutun/tipos_de_anticonvulsivantes.pdfIn PDF document text
  • https://s3.amazonaws.com/xukonakefules/botany_books_for_bsc_2nd_year_in_hindi.pdfIn PDF document text
  • https://s3.amazonaws.com/daselex/nuweduvosojisisijalaga.pdfIn PDF document text
  • https://s3.amazonaws.com/xajowu/26980630086.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_off00008050.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_03_sfnt_off0000c79e.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_03_sfnt_off0000c79e.bin)

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