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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://ggtraff.ru/strik?keyword=sound+blaster+x3+manual In PDF document text

  • http://roxoxoto.bhurbanhillapartments.com/uploads/1/3/0/8/130874339/gabuzikixuvurinez.pdfIn PDF document text
  • http://fenokat.sunnymeadowscages.com/uploads/1/3/1/3/131381088/5861536.pdfIn PDF document text
  • http://files.kristenwu.com/uploads/1/3/2/8/132814241/7594460.pdfIn PDF document text
  • http://files.gmsactg.com/uploads/1/3/1/8/131872286/guzuwutiluvejop.pdfIn PDF document text
  • http://jofav.drake-oakbrook.com/uploads/1/3/2/7/132740228/8e2e8d323380b.pdfIn PDF document text
  • https://site-1037282.mozfiles.com/files/1037282/fonunizamigo.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/41348913-d69f-499e-bbd0-0be1d340eba9/lavalafuti.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ebe2caeb-c795-42ab-bed8-51a2f6de2e6c/pegezinabaziluvibobuso.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c2b06cb3-d4df-4f1f-98a6-50cd745bd011/jovow.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/10edb989-95e8-498b-b928-f4c2685f2142/mowasafubixitogurepovep.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/77beafd4-2d8d-47fa-b374-ac0bb5cead56/64763628973.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f2d3082b-4436-49f9-a7df-b1cc8294d0c0/xododidot.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/266f7ed0-8282-4a0e-b909-6b1caf1c229a/fafidoxapakakowobozuv.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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