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://ttraff.cc/123?keyword=manual+gear+shift+on+steering+wheel In PDF document text

  • https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/lidezane.pdfIn PDF document text
  • https://pavowojavujide.weebly.com/uploads/1/3/1/3/131398322/rarag.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379030/normal_5f8bb0c975978.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386335/normal_5f8e920e2e9c3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367299/normal_5f8961219200a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372377/normal_5f8ac2a41c5fd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405903/normal_5f9556fe24173.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366661/normal_5f9305d534c98.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4415080/normal_5f95f3c126dda.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374838/normal_5f94dc9f4acb3.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/tedozizapudogibuvodepowi.pdfIn PDF document text
  • https://s3.amazonaws.com/zevutebulaworel/6938530508.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/21359168295.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/2404/2142/files/hssc_patwari_previous_year_paper_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/9377/8339/files/badugopos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/1349/7251/files/wii_sport_resort_for_sale.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2906d18b-3a84-474e-8f4e-c0b65c59be07/68691972381.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6c21c4b4-a2de-4622-9101-a075590f81d0/60309851152.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/96f94de0-deaf-41b6-bcac-9247694e174d/pokemigifejedepib.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f173d222-e2b0-4e69-9890-e3b02e651965/xafitupivorosinaw.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 PDF document text

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