Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f439c7c6f8a46b4…

MALICIOUS

PDF

55.1 KB Authoring application: LibreOffice Draw First seen: 2020-09-24
MD5: 86eeec2109925feed6bec8870cc3d423 SHA-1: e4d23ebb0f4b1a80854892d82e1cf14467dfd0e9 SHA-256: 2f439c7c6f8a46b401d07d38f338f45e13b187511d64c50918a77d25ba6af8c7
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection of 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. The embedded URLs point to various domains, suggesting a link farm designed to distribute malicious content or redirect users to phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

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://mialamaven.net/uploads/1/3/0/4/130483512/fupazusojerev.pdf In PDF document text
    • http://littlebigroompost.com/uploads/1/3/0/2/130271047/tipamozabe_bilot.pdfIn PDF document text
    • https://lotezarajiworo.weebly.com/uploads/1/3/0/6/130604406/fc607b661785.pdfIn PDF document text
    • http://audioriotmusic.com/uploads/1/3/0/5/130539992/ed36d36f.pdfIn PDF document text
    • http://nicolitulk.com.au/uploads/1/3/0/4/130488631/130488631.html#faraday%27s+law+of+induction+and+lenz%27s+lawIn 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_off000010c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10C9 8632 bytes
SHA-256: 51768f2a6ed8aaa71214dbff2471e1ef7b6f6abefc28cf1e616092b168aa1820
font_01_sfnt_off0000864f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x864F 16060 bytes
SHA-256: b080e6aa9682ff87567a230b404ab00780bafcfd3ba11e3f536b788ca6e08ef5
font_02_sfnt_off00009ab3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9AB3 3472 bytes
SHA-256: ab1e607543e241f394618659950ba3e9e7f5fff34d3f976e27d14e8274923090

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