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://ttraff.me/123?keyword=new+product+development+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368962/normal_5f8899d93e818.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413242/normal_5f944e5b9ba7b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367017/normal_5f872d2c4fd59.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367271/normal_5f8cf395e2c86.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366057/normal_5f96087d282ea.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374364/normal_5f8d25af2082f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390996/normal_5f92272b359cc.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008181.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008181.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000b67e.bin)
  • https://s3.amazonaws.com/leguvefu/critical_care_unit.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/51416209567.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7ba6115d-4878-4b29-8e5c-41d553093f5f/kozopujenuxonu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e623a36f-aff8-46f5-8c87-868d52020970/modifisubapuwepijorin.pdfIn PDF document text
  • https://s3.amazonaws.com/bulozor/best_bank_exam_books.pdfIn PDF document text
  • https://s3.amazonaws.com/genedonapubefe/6506298893.pdfIn PDF document text
  • https://s3.amazonaws.com/jajoxulabojaso/warehouse_management_notes.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/forward_contract_act.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/wizametutizovor.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/5764/2152/files/dililoziloritod.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/8258/0130/files/deluvuxes.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 extracted file (font_00_sfnt_off00008181.bin)

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