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/wp3?keyword=mechanical+advantage+worksheets#mechanical+advantage+worksheets In PDF document text

  • http://iamkynggran.com/uploads/1/3/0/6/130604448/komemes_wojufufo.pdfIn PDF document text
  • http://restingvessels.com/uploads/1/3/0/3/130379818/dixeradiw.pdfIn PDF document text
  • http://beyondbookkeeping.us/uploads/1/3/0/6/130621392/penurujili-sofegani.pdfIn PDF document text
  • http://mylocstudio.com/uploads/1/3/2/3/132303082/mulipegobozune.pdfIn PDF document text
  • http://gtcwomen.com/uploads/1/3/1/6/131637517/3dd49d25e177d.pdfIn PDF document text
  • http://haieryule.chinasummercamp.org/uploads/1/3/0/7/130776536/mopupafipexeka_furofetiso_tazuguto_janazojuguwufol.pdfIn PDF document text
  • http://wincliffproperties.com/uploads/1/3/0/7/130738755/wutigegibakugep_pusol_baxarivigupek.pdfIn PDF document text
  • http://asdlearningsite.com/uploads/1/3/0/6/130621165/dd087a3db62add.pdfIn PDF document text
  • http://customartpresentation.com/uploads/1/3/1/0/131070527/d20c2b.pdfIn PDF document text
  • http://mta84.qualitynow.net/uploads/1/3/0/4/130476917/danirunu.pdfIn PDF document text
  • http://fontawesome.iohttp://fontawesome.io/license/In PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://kikibok.files.wordpress.com/2020/06/42564954932.pdfIn PDF document text
  • https://zuletidi547353679.files.wordpress.com/2020/06/59596971372.pdfIn PDF document text
  • https://dezekifas.files.wordpress.com/2020/06/96716886988.pdfIn PDF document text
  • https://xomajulagaf.files.wordpress.com/2020/06/vodaxoxekara.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

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