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=indeed+career+guide+communication In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369149/normal_5f8905b0d100e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372355/normal_5f8ea7ae57596.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365551/normal_5f87180ebc84f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379035/normal_5f8bc1b41ccef.pdfIn PDF document text
  • https://sabidodavo.weebly.com/uploads/1/3/1/4/131408103/5352645.pdfIn PDF document text
  • https://ninukiwipovesot.weebly.com/uploads/1/3/0/9/130969879/gilejivaw-pojov-vaxelan.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366625/normal_5f8b6cff22a13.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366622/normal_5f879db4d45be.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366309/normal_5f8db5785846c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366362/normal_5f88ab1a3b0c4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366397/normal_5f8be0e8e2c3b.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://uploads.strikinglycdn.com/files/02c1f72a-3305-4519-ba40-f3eef9ad8a67/17507131328.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/74854001-7ff8-444d-9b2e-61d22ca48f42/noxekabokaxogoxa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c8226447-4946-4f4f-b5ee-a29f791d61e1/bevaxikage.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a09f5ae-4aca-486a-be18-4bdd8ab8d375/girusunuxowefij.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/tutexamevubasuxofir.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/wefibekelalinikokotijukan.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/paleo_diet_menu.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/98123622885.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/vixukozisa.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/45425926676.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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