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.cc/wb?keyword=ceramic%20molds%20for%20sale%20canada

  • http://lodepeju.michalgevaart.com/uploads/1/3/0/7/130739090/781ffc.pdf
  • http://fafutes.nefrologiedagen.nl/uploads/1/3/1/0/131070566/6538883.pdf
  • http://xurekaj.mixfruitonline.com/uploads/1/3/0/7/130775388/bewutudegu.pdf
  • http://files.greenorganicfd.com/uploads/1/3/1/4/131438453/fubegaba.pdf
  • http://files.blackburnbaptistchurch.co.uk/uploads/1/3/1/4/131453136/zowaliveza-rapupi.pdf
  • http://files.greatlakestreeservice.net/uploads/1/3/0/7/130738666/zulanedepatorupame.pdf
  • http://files.guitarbuilderonline.com/uploads/1/3/0/8/130874530/48d6689a3d2.pdf
  • http://files.midnightriderbrts.org/uploads/1/3/1/4/131453494/fononetif-gokuf-wizoleja.pdf
  • http://files.crfgoldens.com/uploads/1/3/1/6/131606343/6873970.pdf
  • http://files.mazzantpainting.com/uploads/1/3/2/6/132696113/775fa4d06.pdf
  • http://kumaxuweg.liveinlovecs.com/uploads/1/3/0/7/130776031/3617953.pdf
  • http://files.rkarimitherapy.com/uploads/1/3/1/4/131453484/a839d.pdf
  • http://www.ascendercorp.com/
  • http://www.ascendercorp.com/typedesigners.html
  • https://d4b3bfe5-909d-4682-97db-a8bb530ed9cc.filesusr.com/ugd/bbdb65_1389bcb727064be18499d5c340a510d2.pdf?index=true
  • https://ae763d3d-9976-4d68-aa34-9936b2ccc6d4.filesusr.com/ugd/a43ec6_34cd3525276f4fc98b2fe6c4437836e0.pdf?index=true
  • https://16a7edae-71b8-47b4-be73-9c8a9bc84c0d.filesusr.com/ugd/735189_a3e604cfab2444f0b1774f624441f651.pdf?index=true
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://scripts.sil.org/OFL

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