Malicious PDF — malware analysis report

Static analysis result for SHA-256 abf294e25f8ae3d9…

MALICIOUS

PDF

16.6 KB Created: 2020-02-06 00:42:16 +00:00 Authoring application: mPDF 5.7
MD5: 994091e10062497027df0e3f1925f8f8 SHA-1: 786d9177ab48a3cde43c00aeff3c5b6e5d64c71e SHA-256: abf294e25f8ae3d90e188a51fae2f5be0b80d035a650b4ed29bfc0bbdc592392
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, pointing to external PDF files. This technique is often used to distribute malware or redirect users to phishing sites. 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 0.9898

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/381658166816981618165/On-Devil-s-Brae-by-Faith-Mortimer.pdf
    • http://owlaokopdf.myhome.cx/181638161816881658160/The-Surgeon-s-Blade-by-Faith-Mortimer.pdf
    • http://owlaokopdf.myhome.cx/481638161816981618167/A-Deadly-Learning-Diana-Rivers-6-by-Faith-Mortimer.pdf
    • http://owlaokopdf.myhome.cx/181678168816081618169/The-Greatest-Traitor-The-Life-of-Sir-Roger-Mortimer-Ruler-of-England-1327-1330-by-Ian-Mortimer.pdf
    • http://owlaokopdf.myhome.cx/781608167816381688168/Arabel-Mortimer-and-the-Escaped-Black-Mamba-Arabel-and-Mortimer-2-by-Joan-Aiken.pdf
    • http://owlaokopdf.myhome.cx/781608167816481658165/Mortimer-Keene-Ghosts-on-the-Loose-Mortimer-Keene-2-by-Tim-Healey.pdf
    • http://owlaokopdf.myhome.cx/98162816381608161/Crossing-s-Redemption-Crossing-4-by-Carrie-Daws.pdf
    • http://owlaokopdf.myhome.cx/78169816681698166/Fours-Crossing-Fours-Crossing-1-by-Nancy-Garden.pdf
    • http://owlaokopdf.myhome.cx/781658164816081688161/Blind-Faith-Walking-by-Faith-to-Receive-What-You-Cannot-See-by-Robert-R-Thibodeau.pdf
    • http://owlaokopdf.myhome.cx/381668163816081628160/Fed-Up-with-Flat-Faith-10-Ways-to-Pump-Up-Your-Faith-by-Kathy-Howard.pdf
    • http://owlaokopdf.myhome.cx/281678162816381638165/From-Faith-To-Faith-A-Daily-Guide-To-Victory-by-Kenneth-Copeland.pdf
    • http://owlaokopdf.myhome.cx/181638163816081608164/Faith-amp-Fidelity-Faith-Love-and-Devotion-1-by-Tere-Michaels.pdf
    • http://owlaokopdf.myhome.cx/1816081648164816481678165/Everyday-Faith-Practical-Essays-on-Personal-Faith-and-the-Ethical-Choices-We-Face-in-Daily-Life-by-Terry-Pluto.pdf
    • http://owlaokopdf.myhome.cx/381618169816581638169/Losing-Faith-in-Faith-From-Preacher-to-Atheist-by-Dan-Barker.pdf
    • http://owlaokopdf.myhome.cx/781638167816881618168/Then-Came-Faith-Then-Came-Faith-1-by-Louise-M-Gouge.pdf
    • http://owlaokopdf.myhome.cx/781608167816481658168/Aristotle-for-Everybody-by-Mortimer-J-Adler.pdf
    • http://owlaokopdf.myhome.cx/181608164816481628165/About-Time-Too-by-Penelope-Mortimer.pdf
    • http://owlaokopdf.myhome.cx/781608167816381698163/Sir-Mortimer-by-Mary-Johnston.pdf
    • http://owlaokopdf.myhome.cx/181658163816181688160/Suspended-Earth-by-M-R-Mortimer.pdf
    • http://owlaokopdf.myhome.cx/181688164816481628168/Mortimer-Says-Nothing-by-Joan-Aiken.pdf
    • http://owlaokopdf.myhome.cx/78169816681698

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