Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ec43e3537441f3d…

MALICIOUS

PDF

46.0 KB Authoring application: LibreOffice Draw First seen: 2020-09-24
MD5: 14c25a67eff4affe577c44e74ac5172f SHA-1: b6a47e0f6657c47706e36147fcfbf1edfee09327 SHA-256: 6ec43e3537441f3d94ba139a5ae447740883a603295a623448bb46c07f4601f2
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified as a PDF link farm. This technique is often used for SEO manipulation or to redirect users to malicious sites. The ClamAV detection and ML classifier further support its malicious nature, indicating it's likely a phishing or redirection campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://escapehavens.com/uploads/1/3/0/7/130775962/7126110.pdf In PDF document text
    • http://triosreadydentallaboratories.com/uploads/1/3/0/5/130550834/4638928.pdfIn PDF document text
    • http://tailormadeventures.com/uploads/1/3/0/2/130289429/371e9db4b3dee.pdfIn PDF document text
    • http://hopebuy.net/uploads/1/3/0/6/130604054/baboriri.pdfIn PDF document text
    • http://forgetmenotmemorials.co.uk/uploads/1/3/0/6/130605299/1274265.pdfIn PDF document text
    • http://bigfootpipeline.com/uploads/1/3/0/4/130436122/zerulifivonevupe.pdfIn PDF document text
    • http://crepheats.com/uploads/1/3/0/6/130604694/difufevu-nefivabil-nixepebusumaso-gejixe.pdfIn PDF document text
    • http://www.mudanportesmalaga.es/uploads/1/3/0/8/130813586/8447484.pdfIn PDF document text
    • http://beginningbosslife.com/uploads/1/3/0/2/130291702/forure.pdfIn PDF document text
    • http://www.chattanoogasoundmachine.com/uploads/1/3/0/6/130604550/7435709.pdfIn PDF document text
    • http://steven.vwlede.be/uploads/1/3/0/6/130621597/disibevogukubufej.pdfIn PDF document text
    • http://espanolmacias.com/uploads/1/3/0/8/130815213/5975697.pdfIn PDF document text
    • http://www.campisicustoms.com/uploads/1/3/0/2/130289235/nozidor-vutikitemujekux-gumomumasanez.pdfIn PDF document text
    • http://groupemavida.com/uploads/1/3/0/5/130551523/7091653.pdfIn PDF document text
    • http://nekima.net/uploads/1/3/0/7/130776760/583749.pdfIn PDF document text
    • http://sg-idf-02.network.phcs.org/uploads/1/3/0/3/130312937/refufow.pdfIn PDF document text
    • http://www.clues2u.com/uploads/1/3/0/6/130620991/vibar-fisikajibek-pusuwanaratawo-fewej.pdfIn PDF document text
    • http://predragcrnkovic.com/uploads/1/3/0/6/130621634/7437228.pdfIn PDF document text
    • http://westofthecity.com.au/uploads/1/3/0/6/130639306/bc0d9928d08.pdfIn PDF document text
    • http://mikewilliamsmusicclasses.com/uploads/1/3/0/5/130539583/mibekemawisajevu.pdfIn PDF document text
    • http://taylorlench.com/uploads/1/3/0/7/130739070/3104899.pdfIn PDF document text
    • http://o55vf.slpny.com/uploads/1/3/0/5/130551262/130551262.html#ako%27y+isang+mabuting+pilipino+lyrics+and+chordsIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000330f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x330F 16036 bytes
SHA-256: 779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63
font_01_sfnt_off00004726.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4726 2652 bytes
SHA-256: e91619dfd4c72a85464d95ef1ba4e67df13020651c42071bafbe521a61d9f7fc
font_02_sfnt_off00005314.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5314 7840 bytes
SHA-256: c1f2a117dd3e4ff6f0ad9fb7157cd779bcd4f70a9ad3af8a3d19aab8916a9ffb

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