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://cctraff.ru/pify?keyword=free+chemistry+textbook+pdf In PDF document text

  • https://viwawisigox.weebly.com/uploads/1/3/4/3/134342504/lunabep-kediki-patajigosote.pdfIn PDF document text
  • https://rugurujumififez.weebly.com/uploads/1/3/1/3/131384765/566c475588.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000b81b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000b81b.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000ee5e.bin)
  • https://uploads.strikinglycdn.com/files/37dceabf-28b4-4b87-b61b-c53c5300e908/bertrice_small_adora.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/741d31c9-75a3-45dd-8d8e-70e9aec52f3f/phil_mickelson_secrets_of_the_short_game.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/3711/6584/files/17257778179.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/3851/4586/files/37248921776.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/34f452cf-ef8e-491a-b7b1-63a0bb6a43f2/anaerobic_respiration_muscles.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/2957/3031/files/zitupezeguwibexeguke.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0563f4b8-df91-435e-9e78-8bdd6ae4b2a3/nuclear_fusion_worksheet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/23ed3bd5-b4b3-479b-8892-e4e99f90492f/18094707712.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c5f20427-bb44-4702-8050-79dc8d48c189/lalesupufurotizomu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/5625/1555/files/49404497968.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/74ba1f7b-010f-4761-9e42-b93486625303/91288287443.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0397/9332/8315/files/pompeii_guide_book_and_map.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8cefbca2-0a50-4fe9-a79a-e70c1ada5ad4/yakuza_kiwami_rina_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/71a66474-c40b-4934-b8a1-f91179f182f3/understanding_intercultural_communic.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6747e543-c2f3-485a-bde1-f00306452e67/polk_audio_db652_review.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/2143/4524/files/kedumosugine.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/68c9d98c-497e-48f6-88f6-0b304df09eaf/the_secret_life_of_bees_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/2333/9167/files/toluronarujixogalofinar.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c7d1c21c-c86c-4a5b-a93c-fd71a4c0c30a/15070276074.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/284d6506-b798-412a-8008-6696209f73ff/the_lion_king_full_movie_unblocked_free_online.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_off0000b81b.bin)

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