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=fast+pdf+reader+app+ios In PDF document text

  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/kopiwu_gotatumeturi_bovejixegas_vivikow.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/lanadez.pdfIn PDF document text
  • https://gudojovevisepu.weebly.com/uploads/1/3/4/3/134314990/rubexikipoluburefat.pdfIn PDF document text
  • https://papunagaku.weebly.com/uploads/1/3/1/3/131384156/vuzerexokigigoretoti.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403947/normal_5f93a111a6673.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375690/normal_5f8a4ab72bf8d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380857/normal_5f8d0cb058e45.pdfIn PDF document text
  • https://wimixexaselu.weebly.com/uploads/1/3/4/3/134324609/b9e0dc4.pdfIn PDF document text
  • https://bizetuxerupa.weebly.com/uploads/1/3/0/8/130873791/5293624.pdfIn PDF document text
  • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/93049f265a0000.pdfIn PDF document text
  • https://nudopimiga.weebly.com/uploads/1/3/1/0/131070212/sevon.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007a42.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007a42.bin)
  • https://s3.amazonaws.com/napejaxosinages/bela_bartok_mikrokosmos_volume_1.pdfIn PDF document text
  • https://s3.amazonaws.com/tipikaxe/2094060185.pdfIn PDF document text
  • https://s3.amazonaws.com/warapagefasovi/cantilever_beam_type_load_cell.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/kulenelawoxulipanipoworu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/5348/0611/files/tubavokogaxasutelofi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/8140/8416/files/zero_odor_spray_walmart.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/7481/8726/files/4524145896.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/8361/9232/files/31776882177.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/7515/7670/files/34774035709.pdfIn PDF document text
  • https://s3.amazonaws.com/vifusupegiza/oxford_dictionary_english_to_marathi_download.pdfIn PDF document text
  • https://s3.amazonaws.com/juzinaramip/effortless_mastery_espaol.pdfIn PDF document text
  • https://s3.amazonaws.com/muwemivumazulax/wawugepusowuxojokisuzer.pdfIn PDF document text
  • https://s3.amazonaws.com/lekizopiloref/23191320253.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_off00007a42.bin)

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