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.me/123?keyword=northern+burlington+high+school+staff In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366952/normal_5f882e0a1720c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385634/normal_5f918e7eb016a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378853/normal_5f8cfeb746e73.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379849/normal_5f8ebed6e13af.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381340/normal_5f94d2d73c966.pdfIn PDF document text
  • https://sokuvotaboraj.weebly.com/uploads/1/3/0/7/130776263/zebafefugurusodivu.pdfIn PDF document text
  • https://wesojejupeledaw.weebly.com/uploads/1/3/4/4/134446418/sipikutu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381964/normal_5f8d81606cc43.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365552/normal_5f87066c7bcaa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366017/normal_5f877bff19d50.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368970/normal_5f8f3d82c45f9.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007280.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007280.bin)
  • https://uploads.strikinglycdn.com/files/79f41ae2-fc9e-4657-a060-d507b08c1578/fizomaziz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7b21b8f5-30da-4e73-a7ef-e399314c1526/vmware_integrated_containers.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c422e20f-d3ff-4948-b7a6-9655ea55c3ac/95055619741.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/046a6f2a-45b7-42c3-959e-88a7f6dff10b/tasewawarupokumo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0467/7468/1753/files/jowifixegas.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/8277/5212/files/52214708289.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/3826/8318/files/60762606976.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/6101/0328/files/sopugituwanedub.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/factoring_polynomials_by_grouping_worksheet.pdfIn PDF document text
  • https://s3.amazonaws.com/biwuwukesazef/tubola.pdfIn PDF document text
  • https://s3.amazonaws.com/fukezavazuj/kuzidelefenoremizatun.pdfIn PDF document text
  • https://s3.amazonaws.com/rorives/25174271346.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_off00007280.bin)

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