Malicious PDF — malware analysis report

Static analysis result for SHA-256 1540efc51590b37f…

MALICIOUS

PDF

16.4 KB Created: 2020-03-19 03:36:38 +00:00 Authoring application: mPDF 5.7
MD5: c5bd2a44c27023c91293e20414ed9cc8 SHA-1: 064c474c2d71baba656c4197bfa97135190daf16 SHA-256: 1540efc51590b37f0b8397294e7166937325e8539d8019a8bc7e4e3b5943d19a
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, suggesting a phishing or malware distribution attempt. The ML classifier also flagged this PDF as malicious. No scripts were extracted, but the presence of numerous external links points to an attempt to redirect the user to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9898

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://owlaokopdf.myhome.cx/181678167816081638167/Pirate-s-Mistress-by-Marianne-LaCroix.pdf
    • http://owlaokopdf.myhome.cx/981698162816781608167/Eternal-Embrace-Sisterhood-of-Jade-6-by-Billi-Jean.pdf
    • http://owlaokopdf.myhome.cx/281618168816781678168/Love-s-Eternal-Embrace-by-Karen-Michelle-Nutt.pdf
    • http://owlaokopdf.myhome.cx/58169816181698166/Everlasting-Embrace-Embrace-4-by-Charlotte-Blackwell.pdf
    • http://owlaokopdf.myhome.cx/78163816181628163/Forbidden-Embrace-Embrace-2-by-Charlotte-Blackwell.pdf
    • http://owlaokopdf.myhome.cx/181618163816081678166/Embrace-The-Embrace-Series-1-by-Cherie-Colyer.pdf
    • http://owlaokopdf.myhome.cx/181678162816481678163/Mystic-Embrace-Embrace-3-by-Charlotte-Blackwell.pdf
    • http://owlaokopdf.myhome.cx/981608168816381678165/Marianne-and-the-Masked-Prince-Marianne-3-by-Juliette-Benzoni.pdf
    • http://owlaokopdf.myhome.cx/981608168816481668169/Marianne-and-the-Lords-of-the-East-Marianne-6-by-Juliette-Benzoni.pdf
    • http://owlaokopdf.myhome.cx/381698163816681638163/The-Eternal-Gift-The-Eternal-Series-1-by-Candy-Crum.pdf
    • http://owlaokopdf.myhome.cx/381618161816681668166/The-Eternal-Echo-The-Eternal-Series-2-by-Candy-Crum.pdf
    • http://owlaokopdf.myhome.cx/1816181678163816381628166/Das-Sommerhaus---erotische-Geschichte-aus-der-Reihe-quot-erotisches-von-Marianne-quot-by-Marianne-Ditsch.pdf
    • http://owlaokopdf.myhome.cx/981638169816581638160/Eternal-Ever-After-Eternal-Vampires-Book-1-by-A-C-James.pdf
    • http://owlaokopdf.myhome.cx/481638164816181668164/Eternal-Illusion-Eternal-Island-3-by-K-S-Haigwood.pdf
    • http://owlaokopdf.myhome.cx/1816181678163816081688169/Marianne-Williamson-on-Relationships-Romantic-Delusions-and-Friendship-by-Marianne-Williamson.pdf
    • http://owlaokopdf.myhome.cx/981638169816581648164/Eternal-Covenant-An-Eternal-Novel-by-K-G-Inglis.pdf
    • http://owlaokopdf.myhome.cx/781688166816281648161/Paydunor-An-Apprentice-Eternal-An-Apprentice-Eternal-by-Brad-Allen-Deborde.pdf
    • http://owlaokopdf.myhome.cx/681698169816681608160/The-Grave-Marker-by-Don-LaCroix.pdf
    • http://owlaokopdf.myhome.cx/1816181678168816581608160/Through-My-Veins-Second-Story-4-by-J-Lacroix.pdf
    • http://owlaokopdf.myhome.cx/681668167816481628160/Gard-by-Dominique-Lacroix.pdf

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