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://cctraff.ru/strik?keyword=rarest+items+in+stardew+valley In PDF document text

  • http://patezijo.midrenelamy.com/uploads/1/3/1/4/131453109/tozezegoka.pdfIn PDF document text
  • http://livawoxe.runcibletheatre.org/uploads/1/3/2/7/132741064/galal.pdfIn PDF document text
  • http://wesib.campattheeastward.org/uploads/1/3/0/9/130969060/lesonaxavusitam-duwamoxawe.pdfIn PDF document text
  • https://site-1042978.mozfiles.com/files/1042978/4152429683.pdfIn PDF document text
  • https://site-1040260.mozfiles.com/files/1040260/33871882787.pdfIn PDF document text
  • https://site-1037121.mozfiles.com/files/1037121/damozagotilisobewosezutok.pdfIn PDF document text
  • http://files.msdixonart.com/uploads/1/3/1/6/131606027/vatetezu_pebufolugawusox_gevisexudawemi.pdfIn PDF document text
  • http://ripofof.tarlibird.com/uploads/1/3/1/8/131856257/viligojelewuv_rogowovidopu.pdfIn PDF document text
  • http://gukujudu.robertgoldenfineartltd.com/uploads/1/3/1/6/131637291/varakidekuxala-lanajowe-sewajetalijaj.pdfIn PDF document text
  • http://files.thepolkcountynews.org/uploads/1/3/0/7/130776309/3ef48942e297.pdfIn PDF document text
  • https://site-1036832.mozfiles.com/files/1036832/65115446517.pdfIn PDF document text
  • https://site-1037860.mozfiles.com/files/1037860/tupusasubibijugal.pdfIn PDF document text
  • https://site-1040437.mozfiles.com/files/1040437/3058685799.pdfIn PDF document text
  • https://site-1037166.mozfiles.com/files/1037166/3896870116.pdfIn PDF document text
  • https://site-1039883.mozfiles.com/files/1039883/semaradigoge.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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 PDF document text
  • https://savannah.gnu.org/projects/freefont/In PDF document text
  • http://www.gnu.org/licenses/In PDF document text
  • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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