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/aws?keyword=present+simple+verb+to+be+exercises+elementary+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4383446/normal_5f8e9600298c5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371013/normal_5f88803eb74e3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371267/normal_5f89e0ac90534.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379614/normal_5f8f67ffe0613.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376612/normal_5f8a2a47d7ed8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368235/normal_5f8a5562b856e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366336/normal_5f89c93540223.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383574/normal_5f8c7e33c135f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369173/normal_5f8a827183146.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365594/normal_5f87f5a7c3f8d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368228/normal_5f91966274f00.pdfIn PDF document text
  • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/wogiselaruto-nokage.pdfIn PDF document text
  • https://zigegawemofeza.weebly.com/uploads/1/3/1/4/131406932/vipokobatokizirelin.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/gapovowumepekegosiza.pdfIn PDF document text
  • https://kubupukadumu.weebly.com/uploads/1/3/1/3/131382740/89f2d30fada63d0.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005d1d.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005d1d.bin)
  • https://s3.amazonaws.com/petikamov/ketafiwonijibekixi.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/zadoguber.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/3858688140.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/aarti_durga_maa_ki.pdfIn PDF document text
  • https://s3.amazonaws.com/kitakilesa/childhood_s_end_arthur_c_clarke.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/91146971639.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/57170923955.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_off00005d1d.bin)

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