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://ttraff.link/123?keyword=making+molecules+worksheet In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366000/normal_5f8705c8cd05a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383679/normal_5f93ddac651ed.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372384/normal_5f9317622e467.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387806/normal_5f8d50ce4ec27.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4415546/normal_5f96b8cb3e3fb.pdfIn PDF document text
  • https://gojemafofapuvog.weebly.com/uploads/1/3/2/6/132681271/fesaregekob.pdfIn PDF document text
  • https://tegugozitofo.weebly.com/uploads/1/3/0/8/130874592/9445849.pdfIn PDF document text
  • https://larogarokod.weebly.com/uploads/1/3/4/0/134018293/6cd393.pdfIn PDF document text
  • https://komavumi.weebly.com/uploads/1/3/0/7/130738531/zutulewebuma_difiwa_wijufej_bufuxowofe.pdfIn PDF document text
  • https://vuxofuta.weebly.com/uploads/1/3/4/2/134235669/61588a.pdfIn PDF document text
  • https://rabugotekinevod.weebly.com/uploads/1/3/1/8/131871666/4946338.pdfIn PDF document text
  • https://gebedevalofibut.weebly.com/uploads/1/3/4/3/134379687/575748.pdfIn PDF document text
  • https://tenaxujapem.weebly.com/uploads/1/3/4/3/134341928/naberivuril.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007a50.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007a50.bin)
  • https://cdn.shopify.com/s/files/1/0483/8234/5376/files/motul_5w30_eco_lite.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/7513/4135/files/mortal_kombat_xl_ps4_krypt_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6304/9879/files/lower_case_letters.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/2983/9003/files/sirejoniwupire.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/2910/0701/files/lujefo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/8650/1806/files/insulin_resistance_thesis.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/2403/0618/files/zipper_mower_parts_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0469/9596/4056/files/14370079507.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_off00007a50.bin)

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