Malicious PDF — malware analysis report

Static analysis result for SHA-256 e345d5378cb0a006…

MALICIOUS

PDF

16.0 KB Created: 2020-03-17 03:51:05 +00:00 Authoring application: mPDF 5.7
MD5: e04b9ed3d400699c44088bb48e4fad57 SHA-1: 32a77f97b6e98b6668737ce011d8c26c659c204c SHA-256: e345d5378cb0a006699188994cf776ae3bf7e9e00a100657db5379b4d3593f15
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded URLs, forming a link farm. The heuristic 'PDF_SEO_LINK_FARM' indicates this is a technique to drive traffic to external sites, likely for SEO manipulation or to host 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 0.9898

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/58165816781678165/The-Infernal-Devices-Clockwork-Angel-Clockwork-Prince-Clockwork-Princess-by-Cassandra-Clare.pdf
    • http://owlaokopdf.myhome.cx/1816181678160816081658164/Chroniken-der-Schattenj-ger-1-3-Clockwork-Angel-1-Clockwork-Prince-2-Clockwork-Princess-3-by-Cassandra-Clare.pdf
    • http://owlaokopdf.myhome.cx/381628169816281688163/The-Girl-and-the-Clockwork-Cat-Clockwork-Enterprises-1-by-Nikki-McCormack.pdf
    • http://owlaokopdf.myhome.cx/181678169816981698167/The-Girl-and-the-Clockwork-Cat-Clockwork-Enterprises-1-by-Nikki-McCormack.pdf
    • http://owlaokopdf.myhome.cx/181628162816381648163/Clockwork-Lives-Clockwork-Angels-2-by-Kevin-J-Anderson.pdf
    • http://owlaokopdf.myhome.cx/1816181668163816481608169/Mission-Clockwork-Band-2-Mission-Clockwork-Angriff-aus-der-Tiefe-by-Arthur-Slade.pdf
    • http://owlaokopdf.myhome.cx/181608167816381668169/The-Pirate-Vortex-Elizabeth-Latimer-Pirate-Hunter-1-by-Deborah-Cannon.pdf
    • http://owlaokopdf.myhome.cx/481698164816181688164/The-Jade-Pirate-Elizabeth-Latimer-Pirate-Hunter-2-by-Deborah-Cannon.pdf
    • http://owlaokopdf.myhome.cx/481698164816181698163/The-Virtual-Pirate-Elizabeth-Latimer-Pirate-Hunter-0-5-by-Deborah-Cannon.pdf
    • http://owlaokopdf.myhome.cx/481608162816481688165/Without-a-Net-by-Lyn-Gala.pdf
    • http://owlaokopdf.myhome.cx/281638164816181658164/Without-a-Net-by-Lyn-Gala.pdf
    • http://owlaokopdf.myhome.cx/28165816381678165/Clockwork-Heart-Clockwork-Heart-1-by-Dru-Pagliassotti.pdf
    • http://owlaokopdf.myhome.cx/681638165816181688166/S-ances-by-Gala-Fur.pdf
    • http://owlaokopdf.myhome.cx/481608162816681618161/Out-of-Balance-by-Lyn-Gala.pdf
    • http://owlaokopdf.myhome.cx/281648164816981608162/Blowback-by-Lyn-Gala.pdf
    • http://owlaokopdf.myhome.cx/481628160816481618160/Lines-in-the-Sand-by-Lyn-Gala.pdf
    • http://owlaokopdf.myhome.cx/281628163816581688168/Gathering-Storm-by-Lyn-Gala.pdf
    • http://owlaokopdf.myhome.cx/281688167816881698164/Tap-Dancing-the-Minefields-by-Lyn-Gala.pdf
    • http://owlaokopdf.myhome.cx/581658163816881658168/Letters-to-Gala-by-Paul-luard.pdf
    • http://owlaokopdf.myhome.cx/381618160816281648163/Les-Diners-de-Gala-by-Salvador-Dal-.pdf
    • http://owlaokopdf.myhome.cx/181608167816381668169/

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