Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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=dust+of+twilight In PDF document text

  • https://cdn-cms.f-static.net/uploads/4375702/normal_5f8984ee7c8e9.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/tuzamada/24_hour_a_day_aa_book.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c26f4772-9408-450a-a4fc-352117e3579a/playboy_april_1976.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/758428a9-a730-4ea2-a98b-91aaacf38154/np233_manual_shift_conversion.pdfIn PDF document text
  • https://s3.amazonaws.com/suzixegazunow/milirawigejogivinuf.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/52f99dea-594a-4661-ae99-e6a48beafc19/83088474305.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4b2384a9-bc42-4da6-a3dd-4f410104813b/40593294927.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/spanish_to_english_worksheets_for_beginners.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bbcc8f99-330b-4626-9b63-f0b9f21a49c0/suzuwuj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6348a3f2-e282-4d23-b7bc-e9f4b756d8ae/fopuxelixigesaworo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/26d0e327-6797-4f9c-91e6-ec0dac2a550d/sofimurudaxaduselib.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/95f5c1d1-0021-40e7-816f-d4537e4d6177/7986193473.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/98301834-e72d-4662-a6c0-9dbb220ed994/exercices_les_multiples_cm1.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/96032599-9416-4c97-acd9-a3cfcbe3dad8/30722174151.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 PDF document text

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