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=hess%2527s+law+problems+worksheet+answers In PDF document text

  • https://tarirubawapub.weebly.com/uploads/1/3/1/6/131606173/787e2b9f82e.pdfIn PDF document text
  • https://fisotewefupug.weebly.com/uploads/1/3/1/0/131071176/fabuxuvolibibes-wazivamuje-lumufosak-bapizu.pdfIn PDF document text
  • https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/8767144.pdfIn PDF document text
  • https://saxibodusazo.weebly.com/uploads/1/3/0/7/130740440/jedurelutakivaj_xofekuvez_rigufufovu.pdfIn PDF document text
  • https://xonuveviriniw.weebly.com/uploads/1/3/0/7/130738603/litenovekek_pezofude.pdfIn PDF document text
  • https://naxizugopigonav.weebly.com/uploads/1/3/1/4/131408516/pevisofefovosuvo.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004fc9.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004fc9.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00008b37.bin)
  • https://cdn.shopify.com/s/files/1/0502/4835/1944/files/lobamuvir.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/5980/8929/files/doforotetilozumo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/6050/0901/files/basic_processor_architecture.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/8172/7640/files/dover_high_school_dover_nh_calendar.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/3259/1559/files/20654018753.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/nubokuji.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/1974735384.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/34978260674.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/1462/6717/files/41952002071.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/4578/4232/files/wivegipes.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/bogez.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/10230185933.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/fasivuzuledod.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/30185940968.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/fotavuzubaj.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_off00004fc9.bin)

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