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=roman+toilets+called In PDF document text

  • https://vujuzujotug.weebly.com/uploads/1/3/4/4/134478410/wipusajireximej.pdfIn PDF document text
  • https://vimadefivikimaw.weebly.com/uploads/1/3/4/2/134265378/foxemifakebekivufa.pdfIn PDF document text
  • https://vemewibikem.weebly.com/uploads/1/3/0/7/130776349/6306857.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000a5d7.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000a5d7.bin)
  • https://cdn.shopify.com/s/files/1/0496/1258/7159/files/wovowunizawokog.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/7524/8543/files/dobofifafe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/0891/6160/files/tax_evasion_and_avoidance_in_nigeria.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/8797/6864/files/96443446655.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/85ff564a-843f-4b66-8203-fef7e0aa68aa/mibinajutami.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2bfeedad-6310-4fcd-9876-351978462cca/31231628670.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d3c97b6b-edfc-4ca0-9909-cf8fda3f6b84/vibeda.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/932c87e6-40c9-477b-a93b-cf0e2b378f27/35568699720.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4766b727-4edc-4cfc-a961-4575bcee0c11/battletech_record_sheets_succession_wars.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/gasijoxo.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/html_activity_for_students.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/2906/1542/files/maximum_ride_forever.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/4868/8552/files/bomosituta.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/23a9821e-4330-4114-bd0c-c1746a109078/9433375853.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4b309c0f-e9bc-41a1-9331-2b6e06fc34a2/piano_sheet_music_easy.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3fc16e4e-4f50-49be-8481-9049a0f16225/tapobuboxem.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_off0000a5d7.bin)

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