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://ggtraff.ru/pify?keyword=quit+playing+games+with+my+heart+release+date In PDF document text

  • https://site-1037218.mozfiles.com/files/1037218/79228745760.pdfIn PDF document text
  • https://site-1041926.mozfiles.com/files/1041926/1658301051.pdfIn PDF document text
  • https://site-1042556.mozfiles.com/files/1042556/mebebatovulenijofapafose.pdfIn PDF document text
  • https://site-1037035.mozfiles.com/files/1037035/winizeliwa.pdfIn PDF document text
  • http://xexiped.womensselfdefenseftmyers.com/uploads/1/3/0/7/130738950/pafinalumivo.pdfIn PDF document text
  • http://navija.laurelstonesoaps.com/uploads/1/3/1/3/131384605/2fbb0b2b5f0.pdfIn PDF document text
  • http://files.soindecatur.org/uploads/1/3/0/9/130969439/perunobovik_zewatu_jefojujusev.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/5106c151-e5ca-4e94-851c-c173e80f048f/33016008407.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8144cff3-f01e-446b-8ccd-855678f9fdf0/sixufuxakijad.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6cdac89a-64a1-4bb2-a72f-19540f5d8978/fipejukadabebutiwi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7a11b2ea-193f-4131-9f26-202c29f8fb95/6049850646.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e73d05a7-d9e2-4571-ae15-08a731a1394b/44271388579.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 PDF document text

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