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://cctraff.ru/aws?keyword=picker+wheel+spin In PDF document text

  • https://cdn-cms.f-static.net/uploads/4425501/normal_5f9805bada013.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369769/normal_5f8b2ba99e2cf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367923/normal_5f8a4d9455a3f.pdfIn PDF document text
  • https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/e5bcd2697.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386337/normal_5f9a10f49d4c8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393028/normal_5f917af5e3c42.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/vuzufexarevima/xitoxosimizasabu.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/logedanegamuvafowizuvivaz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/79526b42-0057-40df-b74a-a0cd60346b56/property_management_takeover_checklist.pdfIn PDF document text
  • https://s3.amazonaws.com/resixexi/showbox_apk_working_version.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/286a2f56-bc2d-44ba-b960-cdfcb356a5c9/8097196383.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/45bea0e0-3c91-40b8-a463-9757622aabe4/pray_for_the_wicked_on_the_weekend.pdfIn PDF document text
  • https://s3.amazonaws.com/patotale/pasado_inmediato_alfonso_reyes.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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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