Malicious PDF — malware analysis report

Static analysis result for SHA-256 17693f7bc2400ab0…

MALICIOUS

PDF

37.3 KB Authoring application: OpenOffice.org
MD5: 7a2fd111719198611a179dcebe48d829 SHA-1: 59a698883ad6256fda42a6c685196a9796ed317b SHA-256: 17693f7bc2400ab03d85fce64705762d8c566ff37ee44e3f3d567ee77d73e5fb
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The ML classifier and ClamAV detection strongly indicate maliciousness, with ClamAV identifying it as Pdf.Phishing.TtraffRobotInstall. The embedded URLs likely serve to distribute malware or engage in phishing activities, potentially as part of an SEO-based distribution scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://moderndespot.com/uploads/1/3/0/5/130590297/timodarerar_gekefotokiv_rolatu.pdf
    • http://greatmomentsinspace.com/uploads/1/3/0/3/130324350/382607.pdf
    • http://rangerbaldy.net/uploads/1/3/0/5/130589090/kipusuxuboxetes_zazosaxok_kavifaz_wafuxomakekavus.pdf
    • http://medcasem.com/uploads/1/3/0/6/130604355/lixixug-gifomap.pdf
    • http://mesabimusicaltheatre.com/uploads/1/3/0/5/130588333/fa321.pdf
    • http://pantiesbymail.com/uploads/1/3/0/8/130873718/1c85583474.pdf
    • http://admin.alex-shaw.com/uploads/1/3/0/5/130540823/0aa2f9a650827c6.pdf
    • http://wesustainshelby.com/uploads/1/3/0/5/130588272/bc864.pdf
    • http://thefatherrising.org/uploads/1/3/0/2/130270997/6211166.pdf
    • http://lsgreenclean.com/uploads/1/3/0/3/130323511/6564142.pdf
    • http://queenseasyautocredit.com/uploads/1/3/0/2/130289406/wudoriza.pdf
    • http://thepathofservice.org/uploads/1/3/0/5/130551708/zuvakasoneg.pdf
    • http://coplens.com/uploads/1/3/0/7/130775527/bokinubetizepotav.pdf
    • http://wonderful-tw.net/uploads/1/3/0/2/130289063/pimotesekudomepofuli.pdf
    • http://dirtybadboys.com/uploads/1/3/0/4/130483086/xiwuv-jotepinelogo-muzagi.pdf
    • http://tbarandelahairstudio.com/uploads/1/3/0/7/130776040/be8043.pdf
    • http://www.glutenfreechallenge.org/uploads/1/3/0/6/130639892/nufinugibejutasafe.pdf
    • http://meetmyfuture.com/uploads/1/3/0/6/130639896/591459.pdf
    • http://301southdallas.com/uploads/1/3/0/3/130323362/6047686.pdf
    • http://digitalsugar.net/uploads/1/3/0/7/130739056/wiwujejodabopixax.pdf
    • http://qqblog.net/uploads/1/3/0/4/130476401/pupixulolog.pdf
    • http://windows-defender.com/uploads/1/3/0/8/130814129/130814129.html#active+listening+communication+model

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000031c2.bin
fe23c1f61668bf421250c62856bee0c9b79876514ea8739b82b998c081a78ab9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x31C2 7736 bytes

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