Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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=how+many+credits+to+graduate+high+school+az In PDF document text

  • https://cdn-cms.f-static.net/uploads/4386365/normal_5f8f171c8f8f5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366029/normal_5f8f85e5e01ef.pdfIn PDF document text
  • https://purolejomi.weebly.com/uploads/1/3/0/7/130776639/8084845.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4425908/normal_5f9b822716aca.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366980/normal_5f89f8bfeb429.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/15659950475.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2d03460d-8ddb-44db-90b6-12395ede4e3e/77048388019.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d4133687-a608-4515-93de-9670abfcc601/porebimajonenoropam.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b0ba9ca4-1b28-4f4f-bfbd-dd8f8d3eb884/kaxomideg.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/7863/7499/files/45577249064.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f4c7b080-797c-479e-98d1-c296e4c71ce7/jadonarepibajamagojabilal.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/66ddf99e-370e-449b-9539-3e228c1522ad/20785179817.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/6879/6311/files/suwumazoga.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9749/8793/files/72202940507.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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