Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
  Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
• 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.me/123?keyword=stoichiometry+problems+worksheet+answers In PDF document text

  • https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/porukofosu.pdfIn PDF document text
  • https://vamekatowozi.weebly.com/uploads/1/3/0/8/130814347/8960935.pdfIn PDF document text
  • https://zoveponezewuda.weebly.com/uploads/1/3/0/7/130738822/tuzuvebijuk_zumasozen_xumidazi.pdfIn PDF document text
  • https://sixapinipuso.weebly.com/uploads/1/3/1/3/131384402/9961e8dbb5c20.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377377/normal_5f89ef22e699f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365570/normal_5f8709a8247f9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365525/normal_5f86ffaba623f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366011/normal_5f89f8f36fea6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368756/normal_5f878281ee083.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000068fb.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000068fb.bin)
  • https://uploads.strikinglycdn.com/files/f5d98bf4-f2bf-4d95-b403-1f437d9959e2/68710232938.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d29b7c23-58e6-4029-bc19-25a64fb2fb1f/6786654129.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b60350b8-0758-44b9-a30e-a36936b9e4eb/72947854656.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d96976ec-c9d7-4598-b689-c71c906e10cd/86196139019.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/09025014-aa6d-47d0-beec-91e637f5e157/fogewo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a8d011c2-b3ae-455c-a4a9-d036e5dc473a/79188214686.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/3232/1431/files/81812454901.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/9670/5691/files/cuddeback_capture_wont_save_pictures_to_card.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/1402/8444/files/29674946954.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/5639/0551/files/37521716348.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_off000068fb.bin)

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