Malicious PDF — malware analysis report

Static analysis result for SHA-256 30d202636b1655d7…

MALICIOUS

PDF

14.6 KB Created: 2019-05-02 17:14:28 +01:00 Authoring application: mPDF 5.7
MD5: 34471bd947453b53f2471caf77cd29b1 SHA-1: ca7584e0ff6565204a101e0485ea0145704e48ed SHA-256: 30d202636b1655d7af7aafa30ce659f7a04cd55b64194112bbb0657d8f2745e5
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. While the document body is heavily obfuscated and unreadable, the presence of numerous links suggests a malicious intent, possibly for SEO manipulation or to distribute further malware. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

Heuristics 2

  • 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://loaminoo.linkpc.net/3091097092098/The-Wool-Pack-by-Cynthia-Harnett.pdf
    • http://loaminoo.linkpc.net/4095097097099093/The-Cargo-Of-The-Madalena-by-Cynthia-Harnett.pdf
    • http://loaminoo.linkpc.net/7093094098098/Wool-Omnibus-Silo-1-Wool-1-5-by-Hugh-Howey.pdf
    • http://loaminoo.linkpc.net/5091093093095096/Spain-s-Golden-Fleece-Wool-Production-and-the-Wool-Trade-from-the-Middle-Ages-to-the-Nineteenth-Century-by-Carla-Rahn-Phillips.pdf
    • http://loaminoo.linkpc.net/3094099097098093/Cowboy-12-Pack-Twelve-Novel-Boxed-Set-by-Cynthia-D-39-Alba.pdf
    • http://loaminoo.linkpc.net/3093099099094/Wool-Wool-1-by-Hugh-Howey.pdf
    • http://loaminoo.linkpc.net/9090099099099/Wool-Wool-1-by-Hugh-Howey.pdf
    • http://loaminoo.linkpc.net/9096098097097090/Six-Pack-Abs-365---How-To-Get-And-Keep-Your-Six-Pack-Abs-All-Year-Long-by-Geoff-Neupert.pdf
    • http://loaminoo.linkpc.net/5095097098092/Keeping-My-Pack-My-Pack-2-by-Lane-Whitt.pdf
    • http://loaminoo.linkpc.net/2097098094094096/Forced-by-the-Pack-By-the-Pack-Series-1-2-by-Lacy-Dae.pdf
    • http://loaminoo.linkpc.net/4094098094091099/The-Omega-s-Pack-The-Protection-of-the-Pack-2-by-Dessa-Lux.pdf
    • http://loaminoo.linkpc.net/2099099098091092/Alpha-for-the-Pack-The-Stars-of-the-Pack-2-by-N-J-Lysk.pdf
    • http://loaminoo.linkpc.net/3092091092092099/Defying-Pack-Law-Pack-1-by-Eve-Langlais.pdf
    • http://loaminoo.linkpc.net/1091092095097094099/Betraying-the-Pack-Pack-2-by-Eve-Langlais.pdf
    • http://loaminoo.linkpc.net/2094096092091090/Scorpion-Saxon-lords-of-Hage-De-Wolfe-Pack-de-Wolfe-Pack-3-by-Kathryn-Le-Veque.pdf
    • http://loaminoo.linkpc.net/6094095094091/Wool-by-Hugh-Howey.pdf
    • http://loaminoo.linkpc.net/1091096090093091095/Wool-Gathering-by-W-J-Davies.pdf
    • http://loaminoo.linkpc.net/6092099097090/Wool-by-Hugh-Howey.pdf
    • http://loaminoo.linkpc.net/8093093090098093/All-About-Wool-by-Claire-Jobin.pdf
    • http://loaminoo.linkpc.net/1091096094094099/The-Stranded-Wool-5-by-Hugh-Howey.pdf

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