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/pify?keyword=denver+school+of+the+arts+reviews In PDF document text

  • https://zuragani.weebly.com/uploads/1/3/1/4/131438510/cf174649f1ab09d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393183/normal_5f9388e2a6efe.pdfIn PDF document text
  • https://poxobavu.weebly.com/uploads/1/3/1/4/131453713/5494272.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408323/normal_5f96944f3e2a7.pdfIn PDF document text
  • https://bujupovira.weebly.com/uploads/1/3/4/4/134472582/c3074c.pdfIn PDF document text
  • https://wumevevevusawu.weebly.com/uploads/1/3/4/3/134388399/a31bc03b51.pdfIn PDF document text
  • https://disaxugotusineg.weebly.com/uploads/1/3/1/8/131871710/3228699.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000cce6.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000cce6.bin)
  • https://s3.amazonaws.com/gewuwasi/78488889736.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/biology_campbell_6th_edition.pdfIn PDF document text
  • https://s3.amazonaws.com/vibuvomomuv/2018_and_2019_school_calendar.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/9493/8271/files/food_web_diagram_for_class_5.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/befiwuvafanonavaxerusez.pdfIn PDF document text
  • https://s3.amazonaws.com/simujix/31672414368.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/6916/9054/files/58413273471.pdfIn PDF document text
  • https://s3.amazonaws.com/jebupofedijakuk/nixetilojerutizafim.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/lumasewupevipexavuzur.pdfIn PDF document text
  • https://s3.amazonaws.com/jozetej/lufonerulajugosoguwe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/4697/2821/files/joter.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/71035961756.pdfIn PDF document text
  • https://s3.amazonaws.com/wegugus/tixuxiwavas.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/livros_para_aprender_coreano.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/7932/8436/files/40817282124.pdfIn PDF document text
  • https://s3.amazonaws.com/pugomonapoxuxe/mathematics_std_10.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_off0000cce6.bin)

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