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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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/123?keyword=paggamit+ng+malaking+titik+worksheet+grade+3 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365545/normal_5f8cb7cf738d3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372980/normal_5f8eeba63ee20.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368956/normal_5f8fb10c91cdb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391024/normal_5f8e94d7e057f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384028/normal_5f8d0a7e0fc45.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/092d9741-dfce-4ede-8335-a945481296e3/7420045791.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/32664d5e-aef0-4fbc-aac4-12e792d176c8/5341735989.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/816fdcbb-b88f-4a7f-83a9-3f7082193ba6/10812817907.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3dda866b-51ae-4e1a-b97e-c10da865b5cb/46908585205.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2c4e92d4-b1ea-4e6f-ba09-5058a75f93e3/nevefusowawod.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/automatic_negative_thoughts_list.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/28701865579.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/41112144638.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/meningitis_pathophysiology.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6f00049e-4afb-49cf-a4f0-b8e4d88eab0e/4540135993.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cbffb79d-af6a-4ba4-9503-1e78c461d1c5/sacred_heart_diet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6d331132-9f6e-4906-969b-b4a57f5aaa3e/96812950373.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/89a732a5-1e01-4c28-958b-15b4ba8a1eec/73859769689.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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