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://allamericanhandyman.org/uploads/1/3/1/4/131407493/131407493.html#balanced+scorecard+measures+that+drive+performance+pdf PDF link annotation

  • http://expertonboarding.com/uploads/1/3/0/6/130604162/7cbed.pdfIn PDF document text
  • http://www.laranjaalgarve.com/uploads/1/3/0/7/130776374/2449263.pdfIn PDF document text
  • http://industowerltd.com/uploads/1/3/0/2/130289385/detulotifuwizowi.pdfIn PDF document text
  • http://evakatebiz.com/uploads/1/3/0/8/130874316/3159273.pdfIn PDF document text
  • http://everlyconsulting.org/uploads/1/3/0/5/130543190/1813753.pdfIn PDF document text
  • http://bodybycreation.net/uploads/1/3/0/2/130289232/toxuwiladibufa.pdfIn PDF document text
  • http://thehandyhandyman.net/uploads/1/3/0/7/130775918/vupirukusivenuvi.pdfIn PDF document text
  • http://southamericanrealestatefranchise.com/uploads/1/3/0/6/130639947/e0638e.pdfIn PDF document text
  • http://publicrecordsfm.com/uploads/1/3/0/3/130379611/kefokoto.pdfIn PDF document text
  • http://www.fastlaptrackbikes.com/uploads/1/3/0/7/130776316/vapinif.pdfIn PDF document text
  • http://science4kids101.com/uploads/1/3/0/6/130604191/93e7986.pdfIn PDF document text
  • http://shoreexcursionspuertoplata.com/uploads/1/3/0/6/130621896/jokeruriwedivi_mafif.pdfIn PDF document text
  • http://nu-trek.com/uploads/1/3/0/2/130289724/junadotusosukemovafe.pdfIn PDF document text
  • http://mfibuild.com/uploads/1/3/0/8/130874480/wupilonelaxe-zaximepitavune-dobumenipese.pdfIn PDF document text
  • http://luxelogistics.co/uploads/1/3/0/5/130543305/6508634.pdfIn PDF document text
  • http://brianthim.com/uploads/1/3/0/6/130621282/josagowa.pdfIn PDF document text
  • http://bithandy.com/uploads/1/3/0/4/130475990/migeralesu_sodojulutofe_lifigaxifuf.pdfIn PDF document text
  • http://qiopstripe.com/uploads/1/3/0/3/130313249/5866036.pdfIn PDF document text
  • http://www.villasgreenvalley.com/uploads/1/3/0/3/130313130/7e1f85910c3e2.pdfIn PDF document text
  • http://advanceddrugtesting.net/uploads/1/3/1/0/131070761/45ecb174c299.pdfIn PDF document text
  • http://humboldtautodetailing.com/uploads/1/3/0/8/130874309/7054027.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

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