Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=advanced+english+grammar+class+8+pdf In PDF document text

  • https://jasazifo.weebly.com/uploads/1/3/1/4/131437377/4514735.pdfIn PDF document text
  • https://zegojipoxe.weebly.com/uploads/1/3/1/0/131069766/biwosixuxagexukaxa.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off0000787f.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off0000787f.bin)
  • https://cdn.shopify.com/s/files/1/0484/6898/3969/files/54457141130.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/9257/3336/files/rotofugivibepegulikex.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/1731/2152/files/99954997734.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/3071/5288/files/banotu.pdfIn PDF document text
  • https://s3.amazonaws.com/fazujo/xejuzefedozoluseniv.pdfIn PDF document text
  • https://s3.amazonaws.com/fefurorobumi/sociolinguistics_spolsky_1998.pdfIn PDF document text
  • https://s3.amazonaws.com/fizaxo/94065550259.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/business_annual_report_template.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/92e6c470-3ed4-48b4-b8c3-f58ad2a0bf1e/rujuzopesobetujexejelek.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9b9959f3-8833-45a7-bf1a-aca3ffc8b9ff/rorumogefifegum.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/902739ec-a3e8-4e8c-aba9-08c96e6dfd75/33200511442.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/38cb35a0-e0f0-48eb-9bd5-2e0131efe101/rojin.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e2844976-d10b-4b9c-a1c6-6d2f8993e48d/lifivubo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7a4ec836-8696-4330-ab67-b86d2a124b55/13672245589.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/1835/7405/files/32185024791.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0219/1269/files/36525550385.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/2680/7449/files/schaerer_ambiente_parts_manual.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_off0000787f.bin)
  • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn extracted file (font_02_sfnt_off00008c14.bin)
  • http://www.gnu.org/copyleft/gpl.htmRegularIn extracted file (font_02_sfnt_off00008c14.bin)

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