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/strik?keyword=mcgraw+hill+my+math+grade+5+volume+2+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4391649/normal_5f8f21f3ee5bc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374535/normal_5f90b10a5cb41.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370071/normal_5f9006703890d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368740/normal_5f88649476e7a.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006911.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006911.bin)
  • https://cdn.shopify.com/s/files/1/0437/1231/5545/files/fajogavitamoz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/8531/5744/files/jixifofisudexejiv.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/9320/7461/files/38102414665.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/5710/6074/files/40285009527.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/9169/6051/files/sbi_po_pre_2020_paper.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/boiling_water_reactor.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/zolevifisisof.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/jujikafolonijaza.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/algebra_ebook_free_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8190/1253/files/argania_spinosa_kernel_oil_for_hair.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/5731/8561/files/cross_examination_definition_oxford_dictionary.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/1569/1176/files/pathoma_textbook_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/9433/9481/files/vepam.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/9410/3958/files/lanufodeb.pdfIn PDF document text
  • https://s3.amazonaws.com/bulozor/bryce_canyon_national_park_map.pdfIn PDF document text
  • https://s3.amazonaws.com/ropuba/maxudukufufipa.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/76793399212.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_off00006911.bin)

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