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/strik?keyword=libro+contabilidad+financiera+gerardo+guajardo+cantu In PDF document text

  • https://cdn-cms.f-static.net/uploads/4386073/normal_5f8d044c7bd4b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4401989/normal_5f93a75b3dc49.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370076/normal_5f8b31a8005ff.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366043/normal_5f87065c73620.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373516/normal_5f894d2343502.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365660/normal_5f8727851ee80.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382186/normal_5f8edb7aa0d1f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365621/normal_5f9106d6f10b5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368781/normal_5f8ac8df03bd5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4411489/normal_5f94972f71621.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365600/normal_5f8c879313922.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365646/normal_5f87365c18899.pdfIn PDF document text
  • https://gujojiri.weebly.com/uploads/1/3/4/4/134434224/naveninakinakegi.pdfIn PDF document text
  • https://nozagovedenide.weebly.com/uploads/1/3/2/6/132682533/jakenetib_gapomasev_piwuxabosilonaw.pdfIn PDF document text
  • https://pobezewimo.weebly.com/uploads/1/3/2/6/132681951/d5aa741f161b8.pdfIn PDF document text
  • https://goxezojukaruvuk.weebly.com/uploads/1/3/4/0/134000107/d1c49772f.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off000094bb.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off000094bb.bin)
  • https://cdn.shopify.com/s/files/1/0268/7513/4135/files/91113997752.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/7808/1959/files/amazon_fire_7_tablet_user_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/3570/2949/files/misisewidifoxafadoti.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/8577/4502/files/rodeo_stampede_download_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/3038/3272/files/27811787658.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/1702/6715/files/narivileloxolimesiruje.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/8304/5293/files/libro_dieta_scarsdale_italiano.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_01_sfnt_off000094bb.bin)

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