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://ybki5.bpmtc.com/uploads/1/3/0/7/130775728/130775728.html#mitre+hand+saw+guide PDF link annotation

  • http://olneyfarmandartmarket.com/uploads/1/3/1/0/131071072/1522222.pdfIn PDF document text
  • http://northernmetal.shop/uploads/1/3/0/6/130639532/25cdd9c58512.pdfIn PDF document text
  • http://rushbunny.com/uploads/1/3/0/2/130288854/vadonas_fasubemewar.pdfIn PDF document text
  • http://ernstmatthew.com/uploads/1/3/0/7/130738675/9414100.pdfIn PDF document text
  • http://minerobrasword.com/uploads/1/3/0/6/130620510/1589309.pdfIn PDF document text
  • http://missiontofarm.net/uploads/1/3/0/2/130270894/zejemeparu.pdfIn PDF document text
  • http://www.hjerlhedenaturl�b.dk/uploads/1/3/0/7/130775288/rijukamulasumag.pdfIn PDF document text
  • http://susiestreats.com/uploads/1/3/0/5/130541285/dowonotevage.pdfIn PDF document text
  • http://bulletininternationallawyermoves.com/uploads/1/3/0/8/130814535/5237763.pdfIn PDF document text
  • http://susanferguson.org/uploads/1/3/0/7/130739680/640498.pdfIn PDF document text
  • http://www.evagreenfloral.com/uploads/1/3/0/8/130814118/8961413.pdfIn PDF document text
  • http://buildtheyoungbench.com/uploads/1/3/0/3/130323466/801a0b06ca.pdfIn PDF document text
  • http://modernvintagemaker.com/uploads/1/3/0/5/130551235/pobokotorudud.pdfIn PDF document text
  • http://annieweisstherapy.com/uploads/1/3/0/4/130436080/5440460.pdfIn PDF document text
  • http://beyondtheghosts.com/uploads/1/3/0/8/130815482/pugojapoxuxot.pdfIn PDF document text
  • http://www.xn--hjerlhedenaturlb-zxb.dk/uploads/1/3/0/7/130775288/rijukamulasumag.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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