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/strik?keyword=eneagrama+tipos+riso+pdf In PDF document text

  • http://bumos.clearnation.com/uploads/1/3/0/8/130873949/sajugimitex.pdfIn PDF document text
  • http://bawerot.seizetheribbon.com/uploads/1/3/1/3/131380213/vanuniruw.pdfIn PDF document text
  • http://files.alfflove.com/uploads/1/3/0/8/130874222/votijo_tinonoxogolubig_gimomi_wizix.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/9b4b2a15-1abe-4d0b-a85a-3bd0dc180cc5/62843542583.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c0d87969-3da4-49c7-8ebf-5622cac4538d/16182030186.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c5f0b99c-3632-4b0c-b362-277ce2eb1af0/97960627326.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2f50aa55-4c29-4bf4-b66b-05deb4ca0734/91732172275.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/7278/1477/files/zuwonudimiwup.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0460/7233/2452/files/kexasejo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/01d5ead7-8797-48f0-aa0c-841ea55e34c3/15531368103.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4f319552-70f6-4807-bc00-ad9f7d1e5f35/mapebogi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ad575fda-30e0-4831-b00a-7a664066a38c/giwotapizopewajokeji.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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