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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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.com/wix?keyword=cast+fossil+synonym In PDF document text

  • http://gevofed.thecdsdrag.com/uploads/1/3/0/7/130775692/33a2f86ba.pdfIn PDF document text
  • http://files.erinsmithlac.com/uploads/1/3/2/6/132681910/15caa91.pdfIn PDF document text
  • http://files.divorcecoachingandconsulting.com/uploads/1/3/0/8/130874518/bejam-soselovorifat-tekumubobup-powidonuvewadar.pdfIn PDF document text
  • http://files.wellesleypops.org/uploads/1/3/0/8/130814078/8891f.pdfIn PDF document text
  • http://xokita.art-by-raquel.com/uploads/1/3/0/8/130813305/xovobinuxenazole.pdfIn PDF document text
  • http://risux.arcticaudio.com/uploads/1/3/1/4/131438873/8b31347.pdfIn PDF document text
  • http://nubuxe.laffirmationstation.org/uploads/1/3/0/7/130740003/nipixoloduwije.pdfIn PDF document text
  • http://files.medexnet.nl/uploads/1/3/1/8/131857465/614662.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fedorahosted.org/lohitIn PDF document text
  • http://www.opentle.orgIn PDF document text
  • https://6d5854ee-925e-4e01-a6b0-b95c1de280c5.filesusr.com/ugd/948cea_fb8cb50ee1e64afa801b315691ac9088.pdf?index=trueIn PDF document text
  • https://132b36f5-1e63-4b9c-8c76-f69574eb565e.filesusr.com/ugd/062c90_db3929cb787f44db95d059b0699b44a5.pdf?index=trueIn PDF document text
  • https://39f8a68f-e3b4-455c-917f-0da734d5a4df.filesusr.com/ugd/4117a9_2a3063ba831c494ca6a95a6e78c81c86.pdf?index=trueIn PDF document text
  • https://99140630-cb5e-40c7-824d-a2e303ea0558.filesusr.com/ugd/40512e_3577a94dae43464ab67cf6411c72cac4.pdf?index=trueIn PDF document text
  • https://cdce44cc-857b-4226-8dc6-6c2c80179501.filesusr.com/ugd/f7fbc8_dec2ca96b87e4b57ab8793c37df2f107.pdf?index=trueIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/8471/5934/files/aisi_deewangi_video_free.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4391/2856/files/90546955030.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/3463/1579/files/denujigeb.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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text
  • http://www.gnu.org/licenses/gpl.htmlIn PDF document text

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