Malicious PDF — malware analysis report

Static analysis result for SHA-256 b63d64abea6422c5…

MALICIOUS

PDF

18.6 KB Created: 2019-04-30 02:53:02 +01:00 Authoring application: mPDF 5.7
MD5: 01c9aadaf268e84fab3b7303d35ffb8b SHA-1: e59101f89ffe4bd7d7175519e15faae80b2b4927 SHA-256: b63d64abea6422c5869ec3221b324a60f1f2e333b696b8004b9b975c388c8662
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded links to external PDF documents hosted on the domain 'loaminoo.linkpc.net'. This pattern is indicative of a link farm, often used for SEO manipulation or to distribute malicious content. While no scripts were extracted, the ML classifier strongly flagged this PDF as malicious, supporting the suspicious nature of the link farm. The primary attack pattern involves directing users to these external resources.

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://loaminoo.linkpc.net/2091094092099/-quot-Literchoor-Is-My-Beat-quot-A-Life-of-James-Laughlin-Publisher-of-New-Directions-by-Ian-S-MacNiven.pdf
    • http://loaminoo.linkpc.net/1091093094095097096/In-All-Directions-by-James-Bowring.pdf
    • http://loaminoo.linkpc.net/8091098097099095/Making-a-Large-Irrigation-Scheme-Work-A-Case-Study-From-Mali-Directions-in-Development-Directions-in-Development-by-Djibril-Aw.pdf
    • http://loaminoo.linkpc.net/2090093096091092/The-Caves-Book-One---The-Event-by-Melody-Laughlin.pdf
    • http://loaminoo.linkpc.net/9099098092090097/Ghosts-Along-The-Mississippi-by-Clarence-John-Laughlin.pdf
    • http://loaminoo.linkpc.net/3097099091095099/Sacrifice-for-a-Kingdom-by-Patricia-D-39-Arcy-Laughlin.pdf
    • http://loaminoo.linkpc.net/7093096097094090/Total-Immersion-Revolutionary-Way-to-Swim-Better-and-Faster-by-Terry-Laughlin.pdf
    • http://loaminoo.linkpc.net/3090093095098092/Core-Curriculum-for-Ambulatory-Care-Nursing-by-Candia-Baker-Laughlin.pdf
    • http://loaminoo.linkpc.net/1090092093096097094/In-All-Directions-by-David-Sherman.pdf
    • http://loaminoo.linkpc.net/2091092097091094/Keeper-of-Directions-by-L-K-Mitchell.pdf
    • http://loaminoo.linkpc.net/1090092093096097092/Directions-in-Sociolinguistics-by-John-J-Gumperz.pdf
    • http://loaminoo.linkpc.net/8090099096091092/New-Directions-in-Identity-Theory-and-Research-by-Jan-E-Stets.pdf
    • http://loaminoo.linkpc.net/4095090099095096/Always-Ready-Directions-For-Defending-The-Faith-by-Greg-L-Bahnsen.pdf
    • http://loaminoo.linkpc.net/1090092093096090097/Megatrends-Ten-New-Directions-Transforming-Our-Lives-by-John-Naisbitt.pdf
    • http://loaminoo.linkpc.net/1090092093096097099/The-Cherokee-Herbal-Native-Plant-Medicine-from-the-Four-Directions-by-J-T-Garrett.pdf
    • http://loaminoo.linkpc.net/4099094093092090/Eating-Disorders-New-Directions-in-Treatment-and-Recovery-by-Barbara-P-Kinoy.pdf
    • http://loaminoo.linkpc.net/1090092093096097098/Animal-Rights-Current-Debates-and-New-Directions-by-Cass-R-Sunstein.pdf
    • http://loaminoo.linkpc.net/1090092093096097093/The-Green-House-New-Directions-in-Sustainable-Architecture-by-Alanna-Stang.pdf
    • http://loaminoo.linkpc.net/2098098090091094/Combating-Mountaintop-Removal-New-Directions-in-the-Fight-against-Big-Coal-by-Bryan-T-McNeil.pdf
    • http://loaminoo.linkpc.net/6095091094090099/Vulnerability-in-Technological-Cultures-New-Directions-in-Research-and-Governance-by-Anique-Hommels.pdf
    • http://loaminoo.linkpc.net/9099098092090097/Ghosts-Along-The-Mississippi-by-Clarence-John-Laughlin