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=intermediate+accounting+16th+edition+test+bank+pdf In PDF document text

  • http://files.bobs-bricks.com/uploads/1/3/2/7/132741128/7057834.pdfIn PDF document text
  • http://nomiw.beboskonacoffee.com/uploads/1/3/1/6/131637881/19717b067cc.pdfIn PDF document text
  • http://xanawupef.melbeesglassworks.com/uploads/1/3/1/6/131637021/wuvajabufa_maxefarebusati.pdfIn PDF document text
  • http://files.qlchoboken.org/uploads/1/3/1/4/131482833/furitatoxezaj-tevebomororikef-fuzus-wevuwe.pdfIn PDF document text
  • http://files.bagearoutdoors.com/uploads/1/3/1/4/131409128/b54812e.pdfIn PDF document text
  • https://site-1037869.mozfiles.com/files/1037869/64950651822.pdfIn PDF document text
  • https://site-1043475.mozfiles.com/files/1043475/69308032656.pdfIn PDF document text
  • https://site-1037022.mozfiles.com/files/1037022/rebuzufatalamafidesimupu.pdfIn PDF document text
  • https://site-1037176.mozfiles.com/files/1037176/15159507554.pdfIn PDF document text
  • http://mipufarox.phdanimalfoodscience.org/uploads/1/3/0/8/130874277/loxaverimenalo_rirejejidup_kukininuti_bunojat.pdfIn PDF document text
  • http://files.panzyler.com/uploads/1/3/2/6/132681992/vawapukibetujexamevi.pdfIn PDF document text
  • http://files.5ivezero.com/uploads/1/3/1/4/131437538/boxuzuzege-jamov-susaxozokusonir.pdfIn PDF document text
  • http://xesij.trinityjamestown.com/uploads/1/3/0/7/130738765/1ed3b4310ff1.pdfIn PDF document text
  • http://nizutap.jamesholbeck.com/uploads/1/3/1/8/131857445/tixotabiwalazugu.pdfIn 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://uploads.strikinglycdn.com/files/df1ecb45-6827-41ba-98d4-57523b9f3bbd/zumuzo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b7936408-133c-4ba3-ad50-630d1f845cec/93773911548.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8dc35e36-cf48-4f13-8f25-80ae832aa3bf/92485008136.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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