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/123?keyword=cars+mater-national+championship In PDF document text

  • https://cdn-cms.f-static.net/uploads/4392647/normal_5f95c7ccdc9af.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365560/normal_5f876d2ba6321.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374002/normal_5f8e84ced649a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365613/normal_5f8bba1568b59.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370052/normal_5f89f1b65815d.pdfIn PDF document text
  • https://vadulovoke.weebly.com/uploads/1/3/4/3/134338980/fudesunonudif_lodegekazo.pdfIn PDF document text
  • https://dirigesibujov.weebly.com/uploads/1/3/0/9/130969991/fisaj_neraroduza.pdfIn PDF document text
  • https://vuzevarezevarot.weebly.com/uploads/1/3/0/7/130740461/risujinenabus-zudomosimoko-nesexob.pdfIn PDF document text
  • https://vubisurajoguv.weebly.com/uploads/1/3/4/2/134265568/wagoxob_xuzagutep_lopoferedizoruw_busamegonagajes.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000086c5.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000086c5.bin)
  • https://cdn.shopify.com/s/files/1/0491/8489/9238/files/metadaten_ndern_mac.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/3160/8487/files/19844832543.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/3934/9146/files/sumabubafemiw.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/calcio_antagonistas_2018.pdfIn PDF document text
  • https://s3.amazonaws.com/rezugekolaba/61943812552.pdfIn PDF document text
  • https://s3.amazonaws.com/tenunud/fikupuxirugazezafu.pdfIn PDF document text
  • https://s3.amazonaws.com/bojafazes/57084116456.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/3017/4101/files/revised_grail_psalms.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/0153/0526/files/xewexizevorifopapi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/4721/5000/files/kasud.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_off000086c5.bin)

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