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.link/123?keyword=spatial+analysis+in+geography+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4379219/normal_5f8d833a523f6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371543/normal_5f8d1367900e7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368762/normal_5f88bdba510b9.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007170.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007170.bin)
  • https://cdn.shopify.com/s/files/1/0434/6865/2697/files/gharelu_ilaj_urdu_book.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/3697/3975/files/13607618872.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/0623/2229/files/4.3_arithmetic_and_geometric_sequence_worksheet_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/7156/8572/files/pafinemupiduma.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cf4f6a51-07b3-4989-9c67-1d8fca5d42f3/12398391145.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6e61ab69-6860-4a4b-97c5-a8dfe344df91/8026786967.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7fa29d56-2bc0-4529-b322-385b4875dadd/donjoy_playmaker_knee_brace.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3c361102-3ba4-4fe0-b371-a83df0cdf96e/ps4_emulator_for_windows_7_free_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1dff0805-51a6-448f-a1cf-f4927c011fe2/wizaxesefukitebifi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/5205/6227/files/vurun.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/3540/5721/files/45730715605.pdfIn PDF document text
  • https://s3.amazonaws.com/lixasifasi/argumentative_writing_samples.pdfIn PDF document text
  • https://s3.amazonaws.com/kakekojezutok/68447270197.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/2496/5019/files/giveb.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/2250/0518/files/play_games_apk_download_latest.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/1354/4387/files/gifted_and_talented_nyc_test.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/8741/1362/files/61375137256.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_off00007170.bin)

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