Malicious PDF — malware analysis report

Static analysis result for SHA-256 f393ce3f449da859…

MALICIOUS

PDF

19.6 KB Created: 2020-03-13 19:53:12 +00:00 Authoring application: mPDF 5.7
MD5: 053f724c5b57ac7885ad0398eb7456d3 SHA-1: 82af6ebfb5d0b5ed755185bb2eec4b6398b3e1ed SHA-256: f393ce3f449da8593419be4079d931cf874dd01702b314f56706d18aab10a50b
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links pointing to external PDF documents hosted on the domain 'ujcsiniio.myhome.cx'. This behavior is indicative of a link farm or a redirection scheme designed to lead users to potentially malicious content. The ML classifier also flagged this PDF as malicious with high confidence. 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://ujcsiniio.myhome.cx/1cd1cd4cd8cd7cd5cd2/Take-My-Hand-Series-Box-Set-Volumes-1-4-Take-My-Hand-1-4-by-Nicola-Haken.pdf
    • http://ujcsiniio.myhome.cx/2cd2cd4cd9cd6cd8/Take-My-Hand-Take-My-Hand-1-by-Nicola-Haken.pdf
    • http://ujcsiniio.myhome.cx/1cd4cd2cd3cd1cd0/Hand-Made-Hand-Played-The-Art-Craft-of-Contemporary-Guitars-by-Robert-Shaw.pdf
    • http://ujcsiniio.myhome.cx/9cd1cd5cd1cd9/Hand-in-Hand-Ten-Black-Men-Who-Changed-America-by-Andrea-Davis-Pinkney.pdf
    • http://ujcsiniio.myhome.cx/1cd4cd0cd4cd6cd6/Right-Hand-Left-Hand-The-Origins-of-Asymmetry-in-Brains-Bodies-Atoms-and-Cultures-by-Chris-McManus.pdf
    • http://ujcsiniio.myhome.cx/4cd8cd2cd5cd2cd2/Oh-My-Goddess-Volume-15-Hand-in-Hand-by-Kosuke-Fujishima.pdf
    • http://ujcsiniio.myhome.cx/8cd4cd0cd6cd7cd6/Pasta-by-Hand-A-Collection-of-Italy-s-Regional-Hand-Shaped-Pasta-by-Jenn-Louis.pdf
    • http://ujcsiniio.myhome.cx/5cd3cd1cd8cd7cd5/Hand-Dyeing-Yarn-and-Fleece-Dip-Dyeing-Hand-Painting-Tie-Dyeing-and-Other-Creative-Techniques-by-Gail-Callahan.pdf
    • http://ujcsiniio.myhome.cx/2cd2cd4cd8cd4cd4/Inevitable-by-Nicola-Haken.pdf
    • http://ujcsiniio.myhome.cx/4cd8cd0cd2cd0cd8/Goodbye-Kate-by-Nicola-Haken.pdf
    • http://ujcsiniio.myhome.cx/5cd4cd5cd2cd8cd3/U-S-Army-Hand-to-Hand-Combat-by-U-S-Department-of-the-Army.pdf
    • http://ujcsiniio.myhome.cx/5cd6cd3cd6cd7/World-Made-by-Hand-World-Made-by-Hand-1-by-James-Howard-Kunstler.pdf
    • http://ujcsiniio.myhome.cx/1cd1cd6cd6cd7cd7cd6/Cumulative-Subject-Index-of-Volumes-1-75-Including-Revised-Series-Volumes-1-31-Part-3-0-Z-by-Pierre-Vinken.pdf
    • http://ujcsiniio.myhome.cx/2cd8cd6cd8cd6cd6/Being-Sawyer-Knight-Souls-of-the-Knight-1-by-Nicola-Haken.pdf
    • http://ujcsiniio.myhome.cx/3cd3cd2cd4cd0cd9/Counting-Daisies-Counting-1-by-Nicola-Haken.pdf
    • http://ujcsiniio.myhome.cx/8cd6cd3cd4cd8cd9/The-Redhead-Series-The-Unidentified-Redhead-The-Redhead-Revealed-The-Redhead-Plays-Her-Hand-by-Alice-Clayton.pdf
    • http://ujcsiniio.myhome.cx/1cd0cd9cd5cd9cd9cd1/The-Boy-in-the-Suitcase-Volumes-1-and-2-of-the-Nina-Borg-Series-Volumes-1-and-2-of-the-Nina-Borg-Series-by-Lene-Kaaberb-l.pdf
    • http://ujcsiniio.myhome.cx/3cd1cd4cd6cd1cd2/The-Hand-of-God-by-Tim-Miller.pdf
    • http://ujcsiniio.myhome.cx/8cd0cd9cd8cd4cd0/Hand-on-the-Shoulder-by-Ian-McEwan.pdf
    • http://ujcsiniio.myhome.cx/2cd5cd1cd8cd7cd4/The-Hand-That-Feeds-You-by-A-J-Rich.pdf
    • http://ujcsiniio.myhome.cx/5cd3cd1cd8cd7cd5/Hand-Dyeing-Yarn-and-Fleece-Dip-Dyeing-Hand-Painting-Tie-Dyeing-and-Other-Crea

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