Malicious PDF — malware analysis report

Static analysis result for SHA-256 5f0d5bfb1e49f760…

MALICIOUS

PDF

19.4 KB Created: 2019-05-02 05:49:32 +01:00 Authoring application: mPDF 5.7
MD5: 5f69f7a4f7330812aedba9c2aa6d0e7e SHA-1: 4171d26c9d8144f46b7ef8f35f0aacb1abf595c4 SHA-256: 5f0d5bfb1e49f760216454ba69db4ea1ee82c6450143ecdf2d741dbd49b27eb2
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm. The ML classifier also flagged this PDF as malicious. The embedded URLs likely lead to SEO spam or potentially malicious content, aiming to redirect the user away from the document. No scripts were extracted from this sample.

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://kiteeearpdf.myhome.cx/1f210f214f218f211f217f210/Sheikh-in-a-Storm-Exotic-Adventures-for-Erotic-Nights-The-Samarkand-Sheikh-s-Harem-Book-2-by-Saffron-Rose.pdf
    • http://kiteeearpdf.myhome.cx/1f210f214f218f211f216f218/The-Sheikh-s-New-Wife-Erotic-Adventures-for-Exotic-Nights-The-Samarkand-Sheikh-s-Harem-Book-1-by-Saffron-Rose.pdf
    • http://kiteeearpdf.myhome.cx/1f210f214f218f211f216f214/Seduced-by-the-Sheikh-Erotic-Adventures-for-Exotic-Nights-The-Samarkand-Sheikh-s-Harem-Book-4-by-Saffron-Rose.pdf
    • http://kiteeearpdf.myhome.cx/3f216f210f211f210f218/The-Desert-Sheikh-s-Virgin-Sheikh-s-Arabian-Nights-3-amp-4-by-Penny-Jordan.pdf
    • http://kiteeearpdf.myhome.cx/2f210f213f214f210f214/The-Sheikh-s-Rebellious-Mistress-Sheikh-Tycoons-3-by-Sandra-Marton.pdf
    • http://kiteeearpdf.myhome.cx/1f212f213f218f215f216/Married-To-The-Sheikh-The-Desert-Sheikh-2-by-Katheryn-Lane.pdf
    • http://kiteeearpdf.myhome.cx/2f210f213f211f218f212/Prince-of-the-Desert-Sheikh-s-Arabian-Nights-4-by-Penny-Jordan.pdf
    • http://kiteeearpdf.myhome.cx/1f210f218f214f210f219f210/Taken-Unprotected-The-Sheikh-s-Secret-Baby-Billionaire-Sheikh-Secret-Baby-Romance-by-Yarah-Isabell.pdf
    • http://kiteeearpdf.myhome.cx/7f215f218f212f217f217/THE-JOURNEY-OF-PEACE-of-Sheikh-Ahmadou-Bamba-Mbacke-Light-Up-the-Midnight-Book-1-by-Cheikh-Lo.pdf
    • http://kiteeearpdf.myhome.cx/1f212f214f212f214/To-Marry-A-Sheikh-by-Day-Leclaire.pdf
    • http://kiteeearpdf.myhome.cx/6f215f218f217f216f216/Sheikh-s-Fianc-e-by-Sophia-Lynn.pdf
    • http://kiteeearpdf.myhome.cx/2f210f212f219f219f212/The-Sheikh-s-Impatient-Virgin-by-Kim-Lawrence.pdf
    • http://kiteeearpdf.myhome.cx/6f218f219f211f217f216/The-Sheikh-s-Girlfriend-by-Kate-Goldman.pdf
    • http://kiteeearpdf.myhome.cx/4f210f217f215f216f219/Defying-the-Sheikh-by-Michelle-Hughes.pdf
    • http://kiteeearpdf.myhome.cx/2f210f213f213f216f213/The-Sheikh-s-Wife-by-Jane-Porter.pdf
    • http://kiteeearpdf.myhome.cx/1f212f216f210f214f217/Lunen-Triblood-by-Ahmed-Al-Sheikh.pdf
    • http://kiteeearpdf.myhome.cx/4f217f217f218f216f211/The-Sheikh-and-the-Servant-by-Sonja-Spencer.pdf
    • http://kiteeearpdf.myhome.cx/3f216f210f211f210f219/Traded-to-the-Sheikh-by-Emma-Darcy.pdf
    • http://kiteeearpdf.myhome.cx/2f210f213f213f212f213/The-Sheikh-s-Last-Seduction-by-Jennie-Lucas.pdf
    • http://kiteeearpdf.myhome.cx/2f210f213f211f218f216/Bella-and-the-Merciless-Sheikh-by-Sarah-Morgan.pdf