Malicious PDF — malware analysis report

Static analysis result for SHA-256 e39892fe3db54cf0…

MALICIOUS

PDF

16.2 KB Created: 2020-03-18 22:16:19 +00:00 Authoring application: mPDF 5.7
MD5: 36ccd727adc02bb5bd60aadee5712529 SHA-1: c87ee2b5050959fd8682ce7386f5b12fac6ca1e9 SHA-256: e39892fe3db54cf06af0c8963419acc4dd423677508a8bc926088ea132069d55
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified as a link farm. The ML classifier strongly indicated maliciousness. The primary attack pattern involves redirecting users through these numerous links hosted on 'ieuicufioao.myhome.cx', likely to distribute further malware or engage in phishing. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9811

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://ieuicufioao.myhome.cx/8554559555559553/Geraniums-Lilacs-and-Rosebuds-by-Antoinette-Harvey.pdf
    • http://ieuicufioao.myhome.cx/1558550556550553/Under-the-Lilacs-by-Louisa-May-Alcott.pdf
    • http://ieuicufioao.myhome.cx/6552557551558551/Forest-Of-Lilacs-by-Comtesse-de-S-gur.pdf
    • http://ieuicufioao.myhome.cx/4556559554555554/Death-Under-The-Lilacs-by-Richard-Forrest.pdf
    • http://ieuicufioao.myhome.cx/5559554555559551/When-Lilacs-Bloom-by-Iren-Hannon.pdf
    • http://ieuicufioao.myhome.cx/8554559555552554/The-Red-Geraniums-by-J-Schlenker.pdf
    • http://ieuicufioao.myhome.cx/7559553558550559/Harvey-Penick-s-Little-Red-Book-Lessons-and-Teachings-From-a-Lifetime-of-Golf-by-Harvey-Penick.pdf
    • http://ieuicufioao.myhome.cx/8554559554554558/Hardy-Geraniums-by-Peter-Yeo.pdf
    • http://ieuicufioao.myhome.cx/8554559555558555/My-Little-White-Geraniums-by-Brandon-Berntson.pdf
    • http://ieuicufioao.myhome.cx/8554559552559550/Geraniums-and-Pelargoniums-by-John-Feltwell.pdf
    • http://ieuicufioao.myhome.cx/3558557555553553/American-Splendor-The-Life-and-Times-of-Harvey-Pekar-by-Harvey-Pekar.pdf
    • http://ieuicufioao.myhome.cx/8554559555552552/A-Persistence-of-Geraniums-by-John-Linwood-Grant.pdf
    • http://ieuicufioao.myhome.cx/8554559554555552/He-Kissed-Me-Between-the-Geraniums-and-the-Daisies-by-Janice-Silkworth.pdf
    • http://ieuicufioao.myhome.cx/8554559554555557/Surprised-Pink-Geraniums-A-Memoir-by-Pat-Brown.pdf
    • http://ieuicufioao.myhome.cx/8554559553554552/Hardy-Geraniums-Wisley-Handbooks-by-David-Hibberd.pdf
    • http://ieuicufioao.myhome.cx/8554559554555558/Cabbages-and-Geraniums-Memories-of-the-Holocaust-by-Valerie-Furth.pdf
    • http://ieuicufioao.myhome.cx/8554559555559555/Growing-Pelargoniums-and-Geraniums-A-Complete-Guide-by-Beryl-Stockton.pdf
    • http://ieuicufioao.myhome.cx/2553556556552/Harvey-Kurtzman-s-Marley-s-Ghost-by-Harvey-Kurtzman.pdf
    • http://ieuicufioao.myhome.cx/5554552552551555/Le-Testament-de-Marie-Antoinette---Testament-of-Marie-Antoinette-by-Marie-Antoinette.pdf
    • http://ieuicufioao.myhome.cx/1550559555559558557/Meg-the-Egg-by-Rita-Antoinette-Borg.pdf
    • http://ieuicufioao.myhome.cx/3558557555553553/American-Splendor-The-Life-and-Times-of-Harvey-Pekar-by-Harvey-P

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