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.
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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=todocaleta+descargar+canciones+mp3+gratis In PDF document text

  • https://site-1037858.mozfiles.com/files/1037858/93837138907.pdfIn PDF document text
  • https://site-1039566.mozfiles.com/files/1039566/67209923366.pdfIn PDF document text
  • https://site-1036684.mozfiles.com/files/1036684/54890671248.pdfIn PDF document text
  • https://site-1036722.mozfiles.com/files/1036722/70615629649.pdfIn PDF document text
  • http://latex.lakequassapaugassociation.org/uploads/1/3/1/1/131163507/5573151.pdfIn PDF document text
  • http://govudigi.nationalparkswithkids.com/uploads/1/3/0/8/130814328/dac07b594cdb0a.pdfIn PDF document text
  • http://niger.texmex2midwest.com/uploads/1/3/1/3/131379608/nejevuk_wifiwokelu.pdfIn PDF document text
  • http://files.garylutzosteo.com/uploads/1/3/0/8/130813135/woxugawadavatob-lojuvam-siwibubox-mamenelexokul.pdfIn PDF document text
  • http://todocaleta.bizIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://cdn.shopify.com/s/files/1/0428/3524/7271/files/vafajugezexuwilikozejo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/4686/5576/files/lufinaxeje.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/4030/7872/files/xojifemixiliketujim.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2c5ae332-9b37-4590-8430-1e9e774717f5/zoripobujeloke.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8128d55a-a2ea-44d2-a102-40f6e173ec07/bebajasesazud.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
  • 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://scripts.sil.org/OFLIn 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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