Malicious PDF — malware analysis report

Static analysis result for SHA-256 277e7c15cd50d438…

MALICIOUS

PDF

15.2 KB Created: 2020-03-18 21:08:09 +00:00 Authoring application: mPDF 5.7
MD5: ddd06c7801a46a3757109d954b7065cb SHA-1: 756dffc383af487536ecefc1ed7da3b42b8322e9 SHA-256: 277e7c15cd50d438ec4cb1415362e8c716785b522f8cd01d770f7f31fff4443a
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or distribution mechanism. The ML_NYX_PDF_MALICIOUS heuristic further supports its malicious nature. While no scripts were extracted, the embedded URLs are the primary indicators of malicious activity, likely serving as lures or redirects to further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9880

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://kitasdyu.myhome.cx/1874877878870878/Ashes-to-Ashes-Experiment-in-Terror-8-by-Karina-Halle.pdf
    • http://kitasdyu.myhome.cx/1873875875876877/Old-Blood-Experiment-in-Terror-5-5-by-Karina-Halle.pdf
    • http://kitasdyu.myhome.cx/3871873871876873/Ashes-to-Ashes-Ashes-to-Ashes-1-by-Lillian-Stewart-Carl.pdf
    • http://kitasdyu.myhome.cx/1871872879870871872/Ashes-to-Ashes-Ashes-to-Ashes-1-by-Lillian-Stewart-Carl.pdf
    • http://kitasdyu.myhome.cx/1871872878879870870/Ashes-to-Memories-Ashes-to-Ashes-5-by-Annie-Anderson.pdf
    • http://kitasdyu.myhome.cx/1871872878879874871/Falling-Ashes-Ashes-to-Ashes-2-by-Annie-Anderson.pdf
    • http://kitasdyu.myhome.cx/1871871870872871877/Ashes-Part-Four-Nesmaron-s-Egg-and-a-Casket-Full-of-Ashes-The-Tales-of-Tartarus-by-A-L-Mengel.pdf
    • http://kitasdyu.myhome.cx/7870873874879/Ashes-Ashes-Shadows-in-the-Nursery-3-by-Tamara-Shoemaker.pdf
    • http://kitasdyu.myhome.cx/1871872879870871873/Ashes-Ashes-Shadows-in-the-Nursery-3-by-Tamara-Shoemaker.pdf
    • http://kitasdyu.myhome.cx/1871872878879874874/Fire-in-the-Ashes-Ashes-2-by-William-W-Johnstone.pdf
    • http://kitasdyu.myhome.cx/3874878870879872/Ashes-Book-4-Ashes-4-by-Leslie-Johnson.pdf
    • http://kitasdyu.myhome.cx/2876874878879871/From-the-Ashes-From-the-Ashes-1-by-Jessica-K-McKendry.pdf
    • http://kitasdyu.myhome.cx/4870875876873876/Ashes-to-Ashes-by-Melissa-C-Walker.pdf
    • http://kitasdyu.myhome.cx/1871872879870871876/Alone-in-the-Ashes-Ashes-5-by-William-W-Johnstone.pdf
    • http://kitasdyu.myhome.cx/4870876873871870/A-Path-of-Ashes-The-Path-of-Ashes-Book-1-by-Brian-Parker.pdf
    • http://kitasdyu.myhome.cx/1878872878874873/The-Play-by-Karina-Halle.pdf
    • http://kitasdyu.myhome.cx/3874871871872872/Rocked-Up-by-Karina-Halle.pdf
    • http://kitasdyu.myhome.cx/3879870871/The-Debt-by-Karina-Halle.pdf
    • http://kitasdyu.myhome.cx/6878872879/Bad-at-Love-by-Karina-Halle.pdf
    • http://kitasdyu.myhome.cx/8876871879871/Lost-in-Wanderlust-by-Karina-Halle.pdf

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