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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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/aws?keyword=when+worlds+collide+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4382186/normal_5f92fc9a3d2ef.pdfIn PDF document text
  • https://tuxitusonodedin.weebly.com/uploads/1/3/0/8/130873989/6543576.pdfIn PDF document text
  • https://rofexigu.weebly.com/uploads/1/3/0/7/130738805/zenikurepujegomu.pdfIn PDF document text
  • https://wawukonuxoni.weebly.com/uploads/1/3/4/0/134095992/kewajem.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366961/normal_5f97650f385a9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387232/normal_5f943d04405dd.pdfIn PDF document text
  • https://rakikamizop.weebly.com/uploads/1/3/1/4/131437254/jafose.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382418/normal_5f9a1ebd15060.pdfIn PDF document text
  • https://xinusikavafomi.weebly.com/uploads/1/3/4/3/134353784/wotigesat-mosaleporexasel-gorojumaroled.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008117.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008117.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000b795.bin)
  • https://s3.amazonaws.com/muvojugejoxip/algebra_puzzles.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fc7ddd46-4d20-42ff-883f-50d73ecee048/ponajowexafexakokaguxi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8e920845-3242-4600-98b2-e283b3b5c05b/cambridge_advanced_learners_dicti.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c3f51def-960c-45fb-bf27-9c00b76e28fb/sum41_with_me_lyrics.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_off00008117.bin)

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