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.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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/123?keyword=wifi+extender+speed+test+and+booster+apk In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365545/normal_5f8934f273fa0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377401/normal_5f8d60a041c4f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374009/normal_5f88cc61895a1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367625/normal_5f874e59e9913.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366337/normal_5f8c47e8c4dd3.pdfIn PDF document text
  • https://zegojipoxe.weebly.com/uploads/1/3/1/0/131069766/gadogosaruzabonix.pdfIn PDF document text
  • https://dejolezeg.weebly.com/uploads/1/3/2/8/132815968/86925.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/8554420.pdfIn PDF document text
  • https://papunagaku.weebly.com/uploads/1/3/1/3/131384156/92fff09b7fbc15.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377931/normal_5f8a2813984ff.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366395/normal_5f873cfbb4b15.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365589/normal_5f8721ff9bdfc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367646/normal_5f8755ae6e985.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370304/normal_5f8c261da2eb5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372087/normal_5f90ad4e3a910.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367294/normal_5f8a872cb74a3.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/2724/1879/files/jevidorilenofewif.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/2743/9005/files/23374502716.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/1261/5076/files/alimentacion_para_cirrosis_hepatica.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8996/2157/files/fhx_mod_apk_free_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/960fe9b0-9cc6-4095-9c0f-c3ab05f91c96/tefeme.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/286603f4-f4fd-4a42-bb82-4f3222ca5373/nosigitagosokalususaj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c6ed1db5-049f-4d89-a7da-3b719c1ace34/76952731787.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/14a0035c-8483-4c10-8e2a-dd9fcfbf0dc5/91872311555.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1a5705c7-f0f1-4c7c-8e5a-fc8b943c6fde/chand_chupa_badal_mein_song_free_mp3.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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