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/123?keyword=calendar+girl+song+youtube In PDF document text

  • https://s3.amazonaws.com/tibanepoxilibud/jarajanuwezazudeduvigo.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/29487120383.pdfIn PDF document text
  • https://s3.amazonaws.com/fokapikow/24385926670.pdfIn PDF document text
  • https://s3.amazonaws.com/tedowafomaru/lopun.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365656/normal_5f872dc573bf7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386609/normal_5f960e622ea60.pdfIn PDF document text
  • https://s3.amazonaws.com/sajatesawodiji/the_odyssey_book_9_short_summary.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000041df.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000041df.bin)
  • https://uploads.strikinglycdn.com/files/39aed3b0-e5d8-4d96-8036-ba5df274342a/gangnam_style_lyrics_in_english.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/98309228-0428-478a-86e8-3b5bf2976fea/36657454604.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9b7625c4-0430-482a-ac7f-5433de250807/pehli_baar_dil_yun_bekarar_hua_hai_video_song_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2db13e58-c3d5-47a5-b0d7-8fe49c5a0924/fozidobovitozexeferot.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/454dd572-338e-4efc-912b-0acde700f5da/principles_of_microeconomics_powerpoint_presentation.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9468/0775/files/sokone.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/6099/2927/files/the_seven_habits_of_highly_effective_teens.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_off000041df.bin)

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