Malicious PDF — malware analysis report

Static analysis result for SHA-256 84a3d3cb87434f2b…

MALICIOUS

PDF

18.7 KB Created: 2019-05-02 07:14:09 +01:00 Authoring application: mPDF 5.7
MD5: f4c39c9aac777c1700463526ad58dfc7 SHA-1: 4c5d3135837c7a642b7db92785dd800c6c2cfa74 SHA-256: 84a3d3cb87434f2b1bb899c9be1254d068b2ad9754b023cacf06177886814cee
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, which are likely intended to direct users to malicious content or phishing sites. The ML classifier also flagged this PDF as malicious. 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://cefasfese.4pu.com/1732736734733732/The-Exploits-amp-Adventures-of-Miss-Alethea-Darcy-Darcy-2-by-Elizabeth-Aston.pdf
    • http://cefasfese.4pu.com/2736734734737732/Mr-Darcy-s-Daughters-by-Elizabeth-Aston.pdf
    • http://cefasfese.4pu.com/1735730737736737/Mr-Darcy-s-Daughters-by-Elizabeth-Aston.pdf
    • http://cefasfese.4pu.com/1734736739732739/Darcy-amp-Elizabeth-Nights-and-Days-at-Pemberley-Darcy-amp-Elizabeth-2-by-Linda-Berdoll.pdf
    • http://cefasfese.4pu.com/1734737730738733/The-Darcys-The-Ruling-Passion-Darcy-amp-Elizabeth-3-by-Linda-Berdoll.pdf
    • http://cefasfese.4pu.com/1739736732732/Pride-Prejudice-A-Novel-of-Mr-Darcy-Elizabeth-Bennet-and-Their-Forbidden-Lovers-by-Ann-Herendeen.pdf
    • http://cefasfese.4pu.com/3738734731737735/Love-s-Spirit-by-Elizabeth-Meyette.pdf
    • http://cefasfese.4pu.com/5730732730739738/The-True-Spirit-of-Christmas-by-Dorothy-Thurgood-Manning.pdf
    • http://cefasfese.4pu.com/6735731734737737/A-Woman-s-Walk-with-God-Growing-in-the-Fruit-of-the-Spirit-by-Elizabeth-George.pdf
    • http://cefasfese.4pu.com/9738735732737/Trail-of-32-The-True-Story-of-a-Youthful-Spirit-That-Knew-Not-of-Defeat-by-Paul-Rega.pdf
    • http://cefasfese.4pu.com/4738730735733737/If-You-re-Missing-Baby-Jesus-A-True-Story-that-Embraces-the-Spirit-of-Christmas-by-Jean-Gietzen.pdf
    • http://cefasfese.4pu.com/3738733737739734/The-Diary-of-Darcy-J-Rhone-Darcy-amp-Rachel-0-5-by-Emily-Giffin.pdf
    • http://cefasfese.4pu.com/4738733738731/Mr-amp-Mrs-Fitzwilliam-Darcy-Two-Shall-Become-One-Darcy-Saga-1-by-Sharon-Lathan.pdf
    • http://cefasfese.4pu.com/3734738733735734/True-Love-Way-by-Mary-Elizabeth.pdf
    • http://cefasfese.4pu.com/1739733738739739/Custody-A-True-Story-by-Elizabeth-Morgan.pdf
    • http://cefasfese.4pu.com/7734733732731735/Blood-Atonement-The-True-Tales-of-Elizabeth-Bathory-Vampire-by-Wil-Ogden.pdf
    • http://cefasfese.4pu.com/3739730730738733/Mr-Darcy-s-Pride-and-Joy-A-Pride-and-Prejudice-Variation-The-Darcy-Novels-3-by-Monica-Fairview.pdf
    • http://cefasfese.4pu.com/3730734737/Right-Wrong-2-by-Jana-Aston.pdf
    • http://cefasfese.4pu.com/4733736736731731/Wounds-of-the-Father-A-True-Story-of-Child-Abuse-Betrayal-and-Redemption-by-Elizabeth-Garrison.pdf
    • http://cefasfese.4pu.com/5730735736732738/Fling-Wrong-2-5-by-Jana-Aston.pdf

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