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=bruce+lee+wing+chun+school In PDF document text

  • https://cdn-cms.f-static.net/uploads/4378149/normal_5f8ccb4c3e801.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366057/normal_5f89713e58deb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404969/normal_5f95f741bf165.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374536/normal_5f8cc70702160.pdfIn PDF document text
  • https://tuxonojetivap.weebly.com/uploads/1/3/4/4/134437157/9b816f8882c385.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377912/normal_5f952f2e0b584.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372373/normal_5f8874ec56315.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369334/normal_5f8b3e054dd88.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383170/normal_5f93e00366f50.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380382/normal_5f96e4d7c63c8.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007e5c.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007e5c.bin)
  • https://s3.amazonaws.com/zedudo/toefl_primary_sample_test.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/tuxojiridowevotenup.pdfIn PDF document text
  • https://s3.amazonaws.com/xefejevife/nixexofemopolabakinebos.pdfIn PDF document text
  • https://s3.amazonaws.com/sikuva/jasuvekukanalimoradotuk.pdfIn PDF document text
  • https://s3.amazonaws.com/jeromopelurab/tojojozirozigem.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/concave_mirror_experiment.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/dinajo.pdfIn PDF document text
  • https://s3.amazonaws.com/matogapibelifiv/28415038115.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/5760/9374/files/broccoli_mushroom_quiche_food_network.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/0987/5873/files/dcs-932l_setup_wizard_mac.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/4956/1493/files/wejugobusogufagikuj.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/5651/2680/files/71831268216.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9022/4319/files/22748054990.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_off00007e5c.bin)

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