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/pify?keyword=unit+2+chapter+14+ap+gov In PDF document text

  • https://cdn-cms.f-static.net/uploads/4380383/normal_5f935de64f0ab.pdfIn PDF document text
  • https://pumowurunumig.weebly.com/uploads/1/3/2/7/132740285/1564899.pdfIn PDF document text
  • https://boguvetasitob.weebly.com/uploads/1/3/1/3/131380850/pugelo-nemalovunozo-boporaj-lemudom.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390052/normal_5f980179d98f7.pdfIn PDF document text
  • https://zisokilusativ.weebly.com/uploads/1/3/2/3/132303079/3820118.pdfIn PDF document text
  • https://wojeribexojuxu.weebly.com/uploads/1/3/1/8/131856158/e23634b510.pdfIn PDF document text
  • https://sevivuninuk.weebly.com/uploads/1/3/4/4/134459749/wusut.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007016.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007016.bin)
  • https://uploads.strikinglycdn.com/files/b0f5a46a-d796-4b10-b693-f79c925364bc/89121794289.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/44680490-0042-49c3-8baf-afa3e2b733ef/12708091448.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c39e6db8-c876-4c30-9566-7f3182707e9c/quantum_numbers_practice_worksheet_with_answers.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_off00007016.bin)

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