Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ee1ff2c5fa841b2…

MALICIOUS

PDF

13.8 KB Created: 2019-05-02 02:30:31 +01:00 Authoring application: mPDF 5.7
MD5: 0208c6157df3e6e28353d65c4f364f0d SHA-1: 1016dc22f6294750660f0753c7e067112d7a6129 SHA-256: 3ee1ff2c5fa841b265de3197b35d46a02c30f9e21f54db1b6355463cc87f5b82
90 Risk Score

Malware Insights

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

The PDF contains a large number of SEO-optimized links, a technique often used for traffic redirection or to host malicious content. The ML classifier strongly indicated maliciousness. While the URLs themselves are currently marked as benign, the sheer volume and structure of the link farm suggest a malicious intent to lure users to potentially harmful sites. No scripts were extracted, limiting further analysis of direct payload delivery.

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/1091096096092098/Hero-Come-Back-by-Stephanie-Laurens.pdf
    • http://loaminoo.linkpc.net/1093094098093096/Four-In-Hand-Regencies-2-by-Stephanie-Laurens.pdf
    • http://loaminoo.linkpc.net/3093093095093099/Four-In-Hand-Regency-2-by-Stephanie-Laurens.pdf
    • http://loaminoo.linkpc.net/1093099091094091/All-About-Love-Cynster-6-by-Stephanie-Laurens.pdf
    • http://loaminoo.linkpc.net/7097099090096/All-About-Passion-Cynster-7-by-Stephanie-Laurens.pdf
    • http://loaminoo.linkpc.net/7099097095091/A-Rake-s-Vow-Cynster-2-by-Stephanie-Laurens.pdf
    • http://loaminoo.linkpc.net/4093096090097099/All-About-Passion-Cynster-7-by-Stephanie-Laurens.pdf
    • http://loaminoo.linkpc.net/2095091091099092/Where-the-Heart-Leads-by-Stephanie-Laurens.pdf
    • http://loaminoo.linkpc.net/3098096094091091/The-Truth-About-Love-Cynster-12-by-Stephanie-Laurens.pdf
    • http://loaminoo.linkpc.net/1094097097094096/On-a-Wild-Night-Bar-Cynster-8-by-Stephanie-Laurens.pdf
    • http://loaminoo.linkpc.net/2099091091090097/Rules-of-Engagement-An-Anthology-by-Stephanie-Laurens.pdf
    • http://loaminoo.linkpc.net/7098095093097/A-Secret-Love-Cynster-5-by-Stephanie-Laurens.pdf
    • http://loaminoo.linkpc.net/1093095092095095/A-Lady-of-His-Own-Bastion-Club-3-by-Stephanie-Laurens.pdf
    • http://loaminoo.linkpc.net/1093095091094093/Beyond-Seduction-Bastion-Club-6-by-Stephanie-Laurens.pdf
    • http://loaminoo.linkpc.net/1093095095099092/The-Ideal-Bride-Cynster-11-by-Stephanie-Laurens.pdf
    • http://loaminoo.linkpc.net/1093094096097094/The-Truth-About-Love-Cynster-12-by-Stephanie-Laurens.pdf
    • http://loaminoo.linkpc.net/3092095091093093/Devil-s-Bride-Cynster-1-by-Stephanie-Laurens.pdf
    • http://loaminoo.linkpc.net/1093095092099091/A-Gentleman-s-Honor-Bastion-Club-2-by-Stephanie-Laurens.pdf
    • http://loaminoo.linkpc.net/2099090095092098/The-Lady-Chosen-amp-A-Gentleman-s-Honor-2-In-1-by-Stephanie-Laurens.pdf
    • http://loaminoo.linkpc.net/3094099091094098/The-Daredevil-Snared-The-Adventurers-Quartet-3-by-Stephanie-Laurens.pdf
    • http://loaminoo.linkpc.net/1093095092095095/A-Lady-of-H

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