Malicious PDF — malware analysis report

Static analysis result for SHA-256 1663ad7e27e75370…

MALICIOUS

PDF

14.2 KB Created: 2019-05-02 02:57:59 +01:00 Authoring application: mPDF 5.7
MD5: 52f97bc3ada974b6a7fe7d5f2815994f SHA-1: 89374e03e976df7f6cb3230e55b40c6a2f722a23 SHA-256: 1663ad7e27e753702d1d99f93ef01384f7cd6f7835ae84edc6749d56ff449d9e
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified as a link farm, all pointing to domains under kiteeearpdf.myhome.cx. This heuristic suggests the document's primary purpose is to redirect users to potentially malicious content. While no scripts were explicitly extracted, the embedded URLs are the primary indicators of malicious intent, likely leading to a phishing or malware distribution site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9200

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://kiteeearpdf.myhome.cx/1f210f217f215f214f219f216/Hold-Tight-For-You-2-by-Alexa-Riley.pdf
    • http://kiteeearpdf.myhome.cx/2f218f214f216f217f212/Hold-on-Tight-Hold-Trilogy-3-by-Stephanie-Tyler.pdf
    • http://kiteeearpdf.myhome.cx/2f219f219f210f210f210/Hold-Tight-by-Christopher-Bram.pdf
    • http://kiteeearpdf.myhome.cx/4f212f219f210f215f217/Hold-On-Tight-Insiders-5-by-J-Minter.pdf
    • http://kiteeearpdf.myhome.cx/7f216f210f212f217f211/Hold-Tight-by-John-Prater.pdf
    • http://kiteeearpdf.myhome.cx/4f219f212f216f217f211/Hold-on-Tight-Sea-Breeze-8-by-Abbi-Glines.pdf
    • http://kiteeearpdf.myhome.cx/1f215f217f211f217f215/Hold-Tight-by-Felicity-Fair-Thompson.pdf
    • http://kiteeearpdf.myhome.cx/1f210f211f217f210f210/Hold-Tight-the-Thread-by-Jane-Kirkpatrick.pdf
    • http://kiteeearpdf.myhome.cx/1f219f215f215f210f211/Hold-Tight-Don-t-Let-Go-by-Laura-Rose-Wagner.pdf
    • http://kiteeearpdf.myhome.cx/2f219f217f213f210f219/Hold-Tight-Willow-Springs-Ranch-2-by-L-E-Harner.pdf
    • http://kiteeearpdf.myhome.cx/1f219f217f218f210f214/Hold-Me-Tight-Greenpoint-Artists-2-by-Talia-Surova.pdf
    • http://kiteeearpdf.myhome.cx/1f218f219f215f210/Hold-Tight-Gently-Michael-Callen-Essex-Hemphill-and-the-Battlefield-of-AIDS-by-Martin-Duberman.pdf
    • http://kiteeearpdf.myhome.cx/4f218f212f214f218f219/Hold-On-Alexa-Reed-2-by-Hilary-Wynne.pdf
    • http://kiteeearpdf.myhome.cx/8f215f214f211/Built-For-Her-by-Alexa-Riley.pdf
    • http://kiteeearpdf.myhome.cx/1f210f217f215f214f213f216/Claimed-For-Her-3-by-Alexa-Riley.pdf
    • http://kiteeearpdf.myhome.cx/7f215f211f212/Be-Mine-Or-Else-by-Alexa-Riley.pdf
    • http://kiteeearpdf.myhome.cx/4f214f214f217/Paid-For-by-Alexa-Riley.pdf
    • http://kiteeearpdf.myhome.cx/2f216f217f211f219f211/Taken-by-the-Russian-by-Alexa-Riley.pdf
    • http://kiteeearpdf.myhome.cx/8f211f214f215/Sheltered-by-Alexa-Riley.pdf
    • http://kiteeearpdf.myhome.cx/3f213f216f212f213f215/Flight-Risk-by-Alexa-Riley.pdf

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