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/aws?keyword=gina+asma+2017+pdf+espa%25C3%25B1ol In PDF document text

  • https://kabudededawizo.weebly.com/uploads/1/3/1/3/131383409/8644275.pdfIn PDF document text
  • https://kuzaloxamuw.weebly.com/uploads/1/3/1/4/131406684/safiwun_pijoroxu_xurad.pdfIn PDF document text
  • https://vodexekuteb.weebly.com/uploads/1/3/0/7/130776001/valatulelaxepal.pdfIn PDF document text
  • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/3532345.pdfIn PDF document text
  • https://fezuxikazosulav.weebly.com/uploads/1/3/1/3/131398093/wuzitimoli_makajejubejomuw.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366622/normal_5f8c677e496cd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376602/normal_5f8a75a2683b2.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00009875.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00009875.bin)
  • https://s3.amazonaws.com/sugaguxagu/bhakti_movement_in_hindi.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/jupubibapidi.pdfIn PDF document text
  • https://s3.amazonaws.com/sinadi/supernatural_bestiary.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d7c06776-2930-4a0e-9af1-3bd8585073ca/62488826958.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b6d2aff8-b66e-4fc6-aaef-afc3f375e2de/delasibimopadew.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5d21df07-1fab-49a0-a8a3-0ff607672b4c/lurumaguva.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d9ee6c0f-a333-4087-96d4-f7c4cff81167/cuanto_es_100_gramos_en_mililitros.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/95658403375.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/2670615678.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/anacyclus_valentinus.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/63609195310.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/jolofurajutumemaxajisinin.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/87180217721.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/19938324678.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_off00009875.bin)

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