Malicious PDF — malware analysis report

Static analysis result for SHA-256 bfb889e12a3c9ef9…

MALICIOUS

PDF

19.2 KB Created: 2019-05-06 16:34:39 +01:00 Authoring application: mPDF 5.7
MD5: 201b29b3ecc9a8fac1e24562f2392a30 SHA-1: 94e17d8891f54e093cd44feceee93fbc1a59c734 SHA-256: bfb889e12a3c9ef9fe055c488515ddf8a4ade7f9aeb7bcc6963c4f4f4cd55df1
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified as a link farm. While the URLs themselves are currently flagged as benign, the sheer volume and the critical heuristic firing suggest a malicious intent, likely for SEO spam or to redirect users to malicious sites. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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://muicuiu.dumb1.com/9a09a06a01a04a06/Love-Beyond-Limits-A-Southern-Love-Story-Among-the-Fair-Magnolias-by-Elizabeth-Musser.pdf
    • http://muicuiu.dumb1.com/3a04a07a09a00a03/An-Outlaw-s-Heart-A-Southern-Love-Story-Among-the-Fair-Magnolias-by-Shelley-Gray.pdf
    • http://muicuiu.dumb1.com/8a06a06a00a03a01/Madly-In-Love-A-Mad-Love-Novella-A-Mad-Love-Story-1-5-by-Colet-Abedi.pdf
    • http://muicuiu.dumb1.com/2a03a05a03a08a07/Tour-de-Force-A-Love-Story-by-Elizabeth-White.pdf
    • http://muicuiu.dumb1.com/1a02a02a05a04a00/Broken-Love-Story-Love-Story-3-by-Natasha-Madison.pdf
    • http://muicuiu.dumb1.com/3a05a03a06a05a08/Unexpected-Love-Story-Love-Story-2-by-Natasha-Madison.pdf
    • http://muicuiu.dumb1.com/1a07a06a06a08a09/Live-Once-Very-Equally-LOVE-A-Story-of-Love-and-Equality-by-Anthony-Heetland.pdf
    • http://muicuiu.dumb1.com/3a07a04a07a01a06/Southern-Zombies-Three-Book-Box-Set-A-Story-of-Survival-Southern-Hospitality-and-Southern-Blood-by-Tracie-Ann-Riley-Lester.pdf
    • http://muicuiu.dumb1.com/7a00a04a04a04a02/Find-Her-Keep-Her-A-Martha-s-Vineyard-Love-Story-Love-in-the-USA-1-by-Z-L-Arkadie.pdf
    • http://muicuiu.dumb1.com/4a05a07a02a08a03/Love-Means-No-Limits-Farm-6-by-Andrew-Grey.pdf
    • http://muicuiu.dumb1.com/4a04a08a05a00a08/Love-Means-No-Limits-Farm-9-by-Andrew-Grey.pdf
    • http://muicuiu.dumb1.com/3a05a01a02a02a07/Pushing-Limits-Fighting-Love-1-by-Kali-Cross.pdf
    • http://muicuiu.dumb1.com/2a07a07a04a08a02/The-Sweetest-Thing-by-Elizabeth-Musser.pdf
    • http://muicuiu.dumb1.com/1a00a04a02a02a04a01/Dance-of-Divine-Love-India-s-Classic-Sacred-Love-Story-The-Rasa-Lila-of-Krishna-by-Graham-M-Schweig.pdf
    • http://muicuiu.dumb1.com/9a03a08a01a00a00/Unyielding-Love---Nick-amp-Bee-s-Story-Vol-2-Indelible-Love-4-5-by-D-W-Cee.pdf
    • http://muicuiu.dumb1.com/2a07a08a01a06a06/Two-Testaments-Secrets-of-the-Cross-Trilogy-2-by-Elizabeth-Musser.pdf
    • http://muicuiu.dumb1.com/1a02a09a00a04a09/Love-Wild-and-Fair-by-Bertrice-Small.pdf
    • http://muicuiu.dumb1.com/2a07a05a04a09a09/All-s-Fair-in-Love-and-Cupcakes-by-Betsy-St-Amant.pdf
    • http://muicuiu.dumb1.com/9a06a05a03a08a08/A-Love-Meant-to-Be-A-love-so-intense-A-love-so-pure-A-love-of-you-and-me-by-Kartik-Srivastava.pdf
    • http://muicuiu.dumb1.com/1a01a03a08a00/All-s-Fair-In-Love-and-Scandal-Scandalous-2-5-by-Caroline-Linden.pdf
    • http://muicuiu.dumb1.com/3a07a04a07a01a06/Southern-Zom

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