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://ggtraff.ru/strik?keyword=achyutam+keshavam+krishna+damodaram+free+download+songs.pk In PDF document text

  • https://site-1037245.mozfiles.com/files/1037245/72177935285.pdfIn PDF document text
  • https://site-1039970.mozfiles.com/files/1039970/64993646968.pdfIn PDF document text
  • https://site-1037238.mozfiles.com/files/1037238/nizosutasode.pdfIn PDF document text
  • http://sivezaxo.createandvibe.net/uploads/1/3/1/4/131453850/lujiwowe.pdfIn PDF document text
  • https://site-1037839.mozfiles.com/files/1037839/73896477560.pdfIn PDF document text
  • https://site-1039274.mozfiles.com/files/1039274/52181131641.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fedorahosted.org/lohitIn PDF document text
  • https://uploads.strikinglycdn.com/files/a04eaa29-461c-4c20-afd4-bbaa1a5278a4/pamimojada.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ada73326-570b-4786-8d66-562206a40083/difubowuw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/897de68f-15b4-481c-be40-8dc4b4489c27/47707964216.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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