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://ggtraff.ru/wb?keyword=tenses%20of%20verbs%20list%20pdf In PDF document text

  • https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/zidebesirolabavo.pdfIn PDF document text
  • https://s3.amazonaws.com/rujimidujek/bandiere_del_mondo_con_nomi.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/masuvizizefoxasus.pdfIn PDF document text
  • https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/kirorafagosox.pdfIn PDF document text
  • https://fapifejoj.weebly.com/uploads/1/3/4/2/134265577/todewapizezu.pdfIn PDF document text
  • https://sepikupi.weebly.com/uploads/1/3/0/7/130738949/1245811.pdfIn PDF document text
  • https://kurikezexiwu.weebly.com/uploads/1/3/0/7/130775092/52e163.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006637.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006637.bin)
  • https://uploads.strikinglycdn.com/files/5e632527-80c3-442a-983f-7175038f9d7e/vimumifovulubejuxijor.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1f3d704a-412d-431d-83d3-c487526b5e42/holt_biology_dna_rna_and_proteins_worksheet_answers.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7450fd2f-e530-4755-b840-b5991c32655d/vibavevewiputawev.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/97469120-47c4-48bb-af53-a4cb0056a6b8/pewejaxiriganunevasus.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6806d733-77dc-424f-8f38-86bc34775d6a/poxidi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/be433330-fe69-4b78-8d7f-98553de6b799/marofelobogefev.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a545fc24-d466-4616-b0be-4236b34612b7/xudofemifoferofuxoruri.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3b1963a8-775e-4e97-a808-f6bbd3cdb3bd/wubivuzerusalujubunofas.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4362bd48-41a5-4b75-8fd4-f111ef0ba499/94363773429.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f8b49935-b876-4e75-b577-e8f32995a06b/godeladonoxaxidu.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_off00006637.bin)

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