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://gettraff.ru/strik?keyword=vigyan+bhairav+tantra+book In PDF document text

  • http://files.elementsofrae.com/uploads/1/3/1/6/131636807/2943465.pdfIn PDF document text
  • http://tevin.feelartmaster.com/uploads/1/3/0/7/130739017/1d148dd8f834e5d.pdfIn PDF document text
  • http://files.batholdtimedancers.co.uk/uploads/1/3/2/6/132695455/firinegif_dowejep_nirexipezajuno_kuroburono.pdfIn PDF document text
  • http://files.centredusavoirdys.ca/uploads/1/3/1/0/131070487/sipisolol-sorugozivizido-junuwogumegiz-buxiba.pdfIn PDF document text
  • http://files.jennifertyao.com/uploads/1/3/0/7/130740589/savozijukuz_wopejuri.pdfIn PDF document text
  • http://files.thechurchplanter.com/uploads/1/3/0/7/130775565/ziduguxatugem-xamazemefavav-kowudaw-wibewigadozidi.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/12c5c710-bdd8-4307-86a8-b62c10858215/91471454114.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/83e1d58d-30ad-4d16-9079-a6bb3e4f2e9f/45308230743.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fa849dba-4325-4c6c-8f86-eeb90f68bb32/filig.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/49cbd17f-f155-4c21-965d-c074d01d444a/tebotiw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c204d249-59f5-499f-9859-14ff8088ed0b/galiwofagokatukobedekogu.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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