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/aws?keyword=binary+tree+level+order+traversal+leetcode+python In PDF document text

  • https://lenololiwi.weebly.com/uploads/1/3/4/4/134455370/wovanovapinetet.pdfIn PDF document text
  • https://zozolexiwu.weebly.com/uploads/1/3/4/3/134343356/sasevajumadisugeb.pdfIn PDF document text
  • https://firerokuk.weebly.com/uploads/1/3/1/1/131164187/1595426.pdfIn PDF document text
  • https://tidemipevu.weebly.com/uploads/1/3/0/7/130740592/bukuzopuzir-mikuxerojaweta-dapudokurogova-kowalime.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off0000a25b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off0000a25b.bin)
  • http://fedorahosted.org/lohitIn extracted file (font_04_sfnt_off0000f1df.bin)
  • https://s3.amazonaws.com/zarelusipofox/best_bread_machine_recipes.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/bugepejatarerutipenavor.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0780/3029/files/input_output_devices_mcq.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b74e6fd2-d46c-44cf-bbc5-2e06bf4397c6/59079612797.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/7626/3841/files/freeway_fury_2_tyrones_unblocked_games.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/4827/4582/files/bidivalapugejisufin.pdfIn PDF document text
  • https://s3.amazonaws.com/vibuvomomuv/spoken_english_book_in_gujarati_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3e97ef0b-0107-4ed1-977a-8fc9cfddde50/xizomofirarepojuto.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/78403997989.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/9155/6504/files/truecaller_app_for_android_apkpure.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a9acf0d6-1541-4e19-a3fe-004b45f5ad1e/house_of_cards_script.pdfIn PDF document text
  • https://s3.amazonaws.com/zaxawetawupo/zambian_affidavit_of_birth_form.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/6029/2515/files/cycle_country_atv_plow_skids.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/6050/1921/files/megipijebefatusewapifopu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0f27cd00-99b6-452c-9f6a-da845ed8199c/filuduxigatasorasuwuji.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/4816/0411/files/vagitusawuxopaz.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_01_sfnt_off0000a25b.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_03_sfnt_off0000dc67.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_03_sfnt_off0000dc67.bin)

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