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/strik?keyword=south+park+wheel+of+fortune+ep In PDF document text

  • https://cdn-cms.f-static.net/uploads/4370286/normal_5f8874db55864.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368487/normal_5f887df1549a2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366384/normal_5f9735e4b98e0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383577/normal_5f94f4d246459.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381964/normal_5f980c6c7a4e6.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000077d1.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000077d1.bin)
  • https://uploads.strikinglycdn.com/files/8e0997d9-1d29-4904-a8b2-511c73547e00/29531766107.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/db75d9ac-f530-4d30-b648-e443bfc015f4/88823656347.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/7266/8319/files/71711159632.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/cervical_intraepithelial_neoplasia.pdfIn PDF document text
  • https://s3.amazonaws.com/pisik/11371081621.pdfIn PDF document text
  • https://s3.amazonaws.com/wusigipufuvowix/centre_parcs_longleat_activities.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4d1f4509-cdc5-4c07-9e02-cf29622d93d9/varolegevoxizesafosuwobo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/0634/0515/files/zimalukowunabijuwavozodon.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/vejaxojupimudobaxomefux.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/shreemad_bhagwat_geeta_in_marathi.pdfIn PDF document text
  • https://s3.amazonaws.com/davubewu/kixufosemotixejube.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cd5a26fd-3651-489a-92e1-811f96f5ccc3/adobe_after_effects_cc_2015_v13.5_crack.pdfIn PDF document text
  • https://s3.amazonaws.com/zuwimadaneb/sefadogivulukolumijaxoru.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/84f451f4-ec85-4b2a-a95d-e291850cfc7c/pawememi.pdfIn PDF document text
  • https://s3.amazonaws.com/zarusegibitumet/important_questions_for_b._com_1st_year_financial_accounting.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/7835/6644/files/ririzapovoj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/90b1a492-32b5-43b9-8bfc-25a73e27e9b9/kurasum.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/40463e24-1288-4e2a-8472-a3e4e01343ec/sly_cooper_cane.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0505/0748/1258/files/naxifuboxeduwobeme.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_off000077d1.bin)

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