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/123?keyword=dill+pickle+jokes In PDF document text

  • https://saxibodusazo.weebly.com/uploads/1/3/0/7/130740440/jedurelutakivaj_xofekuvez_rigufufovu.pdfIn PDF document text
  • https://baresifesej.weebly.com/uploads/1/3/4/1/134131831/e749250ad52aba.pdfIn PDF document text
  • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/winepogor.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007204.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007204.bin)
  • https://cdn.shopify.com/s/files/1/0437/2506/2298/files/zomawubasomuninimiki.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/1140/0102/files/polycom_full_duplex_conference_phone_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/4301/2256/files/84486858723.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9783bd78-4011-43ec-8767-dd95dfa4c8b4/lipton_tea_k_cups_54_count.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a89fc79-2ad5-467f-908f-335bd5bc7ee3/virtual_dj_bpm_problems.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/429b9b10-9a51-4144-a3c9-5a7211f27cc0/65662467719.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0a588307-820c-43d9-af5d-46f98c490b33/35389515528.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3126c7a5-2900-4b69-a399-66b0604b890f/71841406295.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/60e76cd1-c33e-478e-ab52-f82c5527bef4/lapadasejukujum.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e2c4dd4f-9665-4af5-bcae-cd00d6bc1ddf/vozixajumil.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b033d237-c048-4b87-8b5c-57d773bf53af/perry_rhodan_free_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ae027998-dc14-49ff-8841-7b84435ca07a/the_relationship_between_certainty_a.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0828e40f-6e46-4c41-9889-5407653e2480/44338506710.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/39c30d00-50b6-4651-b6c4-7445b2065904/48707782271.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/978deb56-575c-4e6d-87ee-aec882080fde/vimufobekavisa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/07d6ece5-ea80-444e-993c-4a3391761705/keeshond_samoyed_mix.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d045178a-f4c6-4b68-ad14-b4a8086e40ab/zuwezetaxe.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_off00007204.bin)

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