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://traffking.ru/aws?keyword=ipad+model+md531ll%252Fa+ios In PDF document text

  • https://cdn-cms.f-static.net/uploads/4409246/normal_5f949f099a383.pdfIn PDF document text
  • https://junoxavod.weebly.com/uploads/1/3/1/3/131384771/efb1a7.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/35c82847-610a-49ff-b731-690d1fea93d0/61371991823.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c1599766-99e5-41db-bb31-3ce47f784dfc/restore_google_authenticator.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8cb5c67d-61ca-4fa3-b21a-23d3c0ceb055/96933347305.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f8063582-bbf7-4cee-8ddd-1ba75efb33c2/dead_bug_society_edwardsville_il.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/78c2ee72-07c8-4832-94ca-7eedca58900e/maduxodaximabaraw.pdfIn PDF document text
  • https://s3.amazonaws.com/sugosubexez/taxonomy_worksheet.pdfIn PDF document text
  • https://s3.amazonaws.com/wixanarer/wave_on_a_string_lab_answers.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1e8cf0d9-6bae-40bf-bbfd-b585b3029019/samsung_wf448aap_xaa_service_manual.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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