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/pify?keyword=vocaloid+len+cosplay In PDF document text

  • https://watinadapazibe.weebly.com/uploads/1/3/4/4/134492378/7ccb2491d648cb0.pdfIn PDF document text
  • https://zifidobu.weebly.com/uploads/1/3/4/3/134371145/ridasibofiketabub.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/4056517.pdfIn PDF document text
  • https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/5401885.pdfIn PDF document text
  • https://riwisasivituw.weebly.com/uploads/1/3/1/0/131070703/xufawuk.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381287/normal_5f95b1f91f302.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369487/normal_5f9384ace0cbf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4394068/normal_5f93714f58a4a.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005284.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005284.bin)
  • https://s3.amazonaws.com/tudawufed/88010922547.pdfIn PDF document text
  • https://s3.amazonaws.com/gosete/human_molecular_genetics_book.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/creatine_kinase_isoenzymes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/3259/1559/files/gimp_2.8_10_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/4961/9103/files/negative_levels_pathfinder_kingmaker.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/3690/1013/files/84559412530.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/3426/1679/files/chokher_bali_file_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/2871/1077/files/guitar_songbook_2019.pdfIn PDF document text
  • https://s3.amazonaws.com/sivanira/59187537745.pdfIn PDF document text
  • https://s3.amazonaws.com/simujix/24517408075.pdfIn PDF document text
  • https://s3.amazonaws.com/wexoteluwag/area_of_polygons_and_circles_worksheet.pdfIn PDF document text
  • https://s3.amazonaws.com/rowubunak/enfermedad_vascular_cerebral_2019.pdfIn PDF document text
  • https://s3.amazonaws.com/tudawufed/brixton_spatial_anticipation_test.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/lucifer_blavatsky.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/54924469256.pdfIn PDF document text
  • https://s3.amazonaws.com/muvojugejoxip/revista_guia_do_estudante_atualidades_2019.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_off00005284.bin)

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