Malicious PDF — malware analysis report

Heuristics 5

• 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.
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• External URI info PDF_URI
  PDF contains an external URL action
• 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 http://ankezimmermann.ca/uploads/1/3/0/2/130271038/130271038.html#funcion+matematica+del+circulo PDF link annotation

  • http://slpprint.ca/uploads/1/3/0/2/130289426/76bfd3e3.pdfIn PDF document text
  • http://smartonlinebookkeeping.net/uploads/1/3/0/5/130550847/warozutanorilu.pdfIn PDF document text
  • http://mail.baanyingfamily.com/uploads/1/3/0/5/130551135/gikuzojat-sumuse-gaduti.pdfIn PDF document text
  • http://www.asbuiltinformer.com/uploads/1/3/0/6/130604903/e7621244f7b2b.pdfIn PDF document text
  • http://rem5vrlab.com/uploads/1/3/0/6/130603922/vozud.pdfIn PDF document text
  • http://mandyodell.com/uploads/1/3/0/2/130287942/tukojob.pdfIn PDF document text
  • http://pembrokepinesductcleaning.com/uploads/1/3/0/9/130969509/jukafejixi.pdfIn PDF document text
  • http://moderntutoringandeducationservices.com/uploads/1/3/0/4/130490301/gunufonamenixarinusi.pdfIn PDF document text
  • http://www.namonics.com/uploads/1/3/0/5/130551247/8807924.pdfIn PDF document text
  • http://mx.passporttours.co.uk/uploads/1/3/0/6/130604126/degazow-gumomarezosobo.pdfIn PDF document text
  • http://www.firtreeenterprises.com/uploads/1/3/0/7/130740087/kokoralobed.pdfIn PDF document text
  • http://dadecompanies.net/uploads/1/3/0/2/130272936/tenod.pdfIn PDF document text
  • http://icepic.club/uploads/1/3/0/6/130639563/5223481.pdfIn PDF document text
  • http://organic-marijuana.net/uploads/1/3/0/7/130738720/ce1f179404.pdfIn PDF document text
  • http://mymobilephysio.com/uploads/1/3/0/8/130814143/losezatogupako_wubedovofumew_sukizojoz.pdfIn PDF document text
  • http://motivationalfactor.com/uploads/1/3/0/2/130289460/togom_nemamibuxaxin_dekodi_zuguxusu.pdfIn PDF document text
  • http://engineeringally.com/uploads/1/3/0/6/130639899/2275283.pdfIn PDF document text
  • http://stefstephapparel.com/uploads/1/3/0/6/130604230/83edf287cf2511f.pdfIn PDF document text
  • http://beracahvalleyofblessings.com/uploads/1/3/0/5/130588452/rogus_latujasimoduz.pdfIn PDF document text
  • http://theordinaryvoter.com/uploads/1/3/0/4/130488584/9510818.pdfIn PDF document text
  • http://tobiasfate.com/uploads/1/3/0/9/130969391/c01685a2ec1c7.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn 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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