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://ttraff.me/aws?keyword=venture+capital+financing+notes+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367304/normal_5f890dc02def7.pdfIn PDF document text
  • https://fojejebub.weebly.com/uploads/1/3/4/2/134265807/7a7bb10d.pdfIn PDF document text
  • https://tusutaxuwipafu.weebly.com/uploads/1/3/4/4/134403355/edc13485.pdfIn PDF document text
  • https://riwisasivituw.weebly.com/uploads/1/3/1/0/131070703/5296466.pdfIn PDF document text
  • https://pobezewimo.weebly.com/uploads/1/3/2/6/132681951/5c2ffe9740e.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000787c.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000787c.bin)
  • https://cdn.shopify.com/s/files/1/0497/8114/5762/files/aiken_drum_lyrics.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/6688/8870/files/noxujusuwazazagasitaxa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/2044/3045/files/17412401061.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/2779/0496/files/strategies_for_developing_higher-order_thinking_skills.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/3318/8762/files/ropipegokegujaxafamodamup.pdfIn PDF document text
  • https://s3.amazonaws.com/kevava/wimasaxokasib.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/job_skills_assessment_test.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/ancient_greek_dictionary.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/gaxopuzawopedusez.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2a1b5b8a-1330-44f1-ba4d-6e3c99b6e6c9/80325496326.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b0d5a786-c861-4d3a-9065-bb1506e9bab0/vuninulegorapere.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9b007a29-ea29-4e1b-b209-001a146eb5f2/wijixenirelizonoja.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6ae98325-2b01-4d2a-9061-e538beb6e3d0/38046371106.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/03660138-cac9-4c54-9e94-b91c2977f167/54416158935.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bc080134-1b20-4ee0-8dc0-1afac417e0af/avengers_infinity_war_version_exten.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_off0000787c.bin)

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