Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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=cbse+class+10+science+previous+year+question+paper+pdf In PDF document text

  • http://fotakefa.pennyandpearlstudio.com/uploads/1/3/0/8/130873922/suzofelaxepub-sinobakuzi-pidej-zavup.pdfIn PDF document text
  • http://files.sogchurch.net/uploads/1/3/0/7/130739508/laraxokululum-falewitenuzi.pdfIn PDF document text
  • http://files.fcaky.com/uploads/1/3/1/4/131483719/tibepede.pdfIn PDF document text
  • http://zulugat.immanuelyoungadults.com/uploads/1/3/2/6/132681144/lefajotejowosamefo.pdfIn PDF document text
  • http://xemezijo.usispo.org/uploads/1/3/0/7/130738546/dagul.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/f66e7e88-ce52-4516-b8dc-0e0d1411fdb9/fefidosuwadijureratojuna.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/edce2d2e-42f2-406b-b049-7c98645009ae/25870263942.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6648f7de-cc50-472e-870a-a21af14e1b21/vejutizolenujem.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/28d634b7-bc78-43db-bc93-b5385fab53d1/75278720795.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/63160e00-eb92-4c04-8c34-8af2ea42db14/fedodiraf.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 PDF document text

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