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=group+cohesiveness+factors+and+effects+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4371787/normal_5f91ee023c211.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365655/normal_5f874bb4a9086.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380694/normal_5f9634e5661ac.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374978/normal_5f91f4fb04492.pdfIn PDF document text
  • https://fotejisatowonu.weebly.com/uploads/1/3/2/3/132302873/3640550.pdfIn PDF document text
  • https://xuvakaxatal.weebly.com/uploads/1/3/1/0/131070170/repetonodiz.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369161/normal_5f87ef875e568.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378641/normal_5f8da5a9cfbb0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375344/normal_5f8acadd83673.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376127/normal_5f8f3d194f0cd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388048/normal_5f953de22ea2a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390074/normal_5f9601772a1ed.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368249/normal_5f892cac76c5a.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000064a8.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000064a8.bin)
  • https://cdn.shopify.com/s/files/1/0498/0064/2721/files/vepimopidowop.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/2044/3045/files/ffxiv_mining_guide_1-70.pdfIn PDF document text
  • https://s3.amazonaws.com/napisakaluja/54865631998.pdfIn PDF document text
  • https://s3.amazonaws.com/wixanarer/domuza.pdfIn PDF document text
  • https://s3.amazonaws.com/sikuva/coleo_primeiros_passos_editora_brasiliense.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_off000064a8.bin)

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