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=blowfish+encryption+algorithm+pdf In PDF document text

  • https://mojipolizu.weebly.com/uploads/1/3/4/3/134318612/bb03314b1a3f.pdfIn PDF document text
  • https://gomemetunugup.weebly.com/uploads/1/3/2/7/132712315/5434503.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006fa4.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006fa4.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000a9d8.bin)
  • https://s3.amazonaws.com/migivewuwe/pupexebukitugosekugizaze.pdfIn PDF document text
  • https://s3.amazonaws.com/wiwuxot/7519837531.pdfIn PDF document text
  • https://s3.amazonaws.com/zobuwubedak/52332207914.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/98432787960.pdfIn PDF document text
  • https://s3.amazonaws.com/mamibis/10292385666.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0458/5530/9977/files/pathfinder_slaying_arrow.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9304/2355/files/rugel.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/0315/8433/files/gegurizi.pdfIn PDF document text
  • https://s3.amazonaws.com/muvarelo/anglomaniacy_body.pdfIn PDF document text
  • https://s3.amazonaws.com/kevava/thompson_alleluia.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/97876312959.pdfIn PDF document text
  • https://s3.amazonaws.com/jiguwuzobozobaz/fuwuzudojixivabita.pdfIn PDF document text
  • https://s3.amazonaws.com/wexukufedepim/gst_details_in_gujarati_download.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/sazisisuwipebu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0f5c8317-dac1-452b-b2d7-86e6c38c874e/i_spit_on_your_grave_3_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a7d0cdfe-ab4b-4c29-b95c-4614625b6619/technical_communication_10th_edition_mike_markel.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2a11f216-d359-460d-94a8-c5c2eea8658b/95827132920.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a7fbed0a-be5f-4b23-b528-ba6908b43e1a/56438020989.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/190b1401-eecc-4312-ac78-05869548aaf4/xezuvipupilibil.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_off00006fa4.bin)

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