Malicious PDF — malware analysis report

Static analysis result for SHA-256 ddfba090059dd8d8…

MALICIOUS

PDF

22.3 KB Created: 2019-05-03 05:16:18 +01:00 Authoring application: mPDF 5.7
MD5: be4c04ce425e8e3e11a1342675cf94ad SHA-1: 3762ffd0c869615d1ebdd3cf984381af5a4a4b9f SHA-256: ddfba090059dd8d84d4ef6e2a5d5a995afa06d9985bfd0bca93df2d84eaeda78
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or redirection tactic. The ML_NYX_PDF_MALICIOUS heuristic also flagged the document with high confidence. The embedded URLs likely lead to malicious content or phishing pages, serving as the primary attack vector. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9903

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://kiteeearpdf.myhome.cx/9f219f212f211f214f214/Smokies-Chronicle-A-Year-of-Hiking-in-Great-Smoky-Mountains-National-Park-by-Ben-Anderson.pdf
    • http://kiteeearpdf.myhome.cx/5f214f213f210f211f211/Bear-Bloopers-True-Stories-from-the-Great-Smoky-Mountains-National-Park-Smokies-Wildlife-Ranger-Book-4-by-Carolyn-Jourdan.pdf
    • http://kiteeearpdf.myhome.cx/2f218f217f218f211f219/Bear-in-the-Back-Seat-I-Adventures-of-a-Wildlife-Ranger-in-the-Great-Smoky-Mountains-National-Park-by-Carolyn-Jourdan.pdf
    • http://kiteeearpdf.myhome.cx/5f214f213f210f211f212/Bear-in-the-Back-Seat-II-Adventures-of-a-Wildlife-Ranger-in-the-Great-Smoky-Mountains-National-Park-by-Carolyn-Jourdan.pdf
    • http://kiteeearpdf.myhome.cx/5f214f213f210f219f213/Bear-in-the-Back-Seat-I-and-II-Adventures-of-a-Wildlife-Ranger-in-the-Great-Smoky-Mountains-National-Park-Boxed-Set-by-Carolyn-Jourdan.pdf
    • http://kiteeearpdf.myhome.cx/9f219f212f212f218f211/Hiking-Trails-of-the-Smokies-by-Great-Source-Ed-Group-Staff.pdf
    • http://kiteeearpdf.myhome.cx/9f219f212f213f219f217/The-Prophet-of-the-Great-Smoky-Mountains-by-Mary-Noailles-Murfree.pdf
    • http://kiteeearpdf.myhome.cx/2f218f218f212f219f212/Appalachian-Wilderness-The-Great-Smoky-Mountains-by-Eliot-Porter.pdf
    • http://kiteeearpdf.myhome.cx/7f214f218f217f215f210/Two-Dimensional-Computer-Modeling-of-Green-River-at-Dinosaur-National-Monument-and-Canyonlands-National-Park-by-Dan-Gessler.pdf
    • http://kiteeearpdf.myhome.cx/3f216f217f219f214/Hillbilly-Tales-from-the-Smoky-Mountains---And-Other-Homespun-Remedies-Proverbs-and-Poetry-by-Patricia-H-Graham.pdf
    • http://kiteeearpdf.myhome.cx/8f216f216f212f219f217/3000-Miles-in-the-Great-Smokies-by-William-A-Hart-Jr-.pdf
    • http://kiteeearpdf.myhome.cx/6f213f213f212f217f217/Twice-Told-True-Tales-of-the-Blue-Ridge-amp-Great-Smokies-by-Mead-Parce.pdf
    • http://kiteeearpdf.myhome.cx/2f218f210f210f216f219/The-Central-Park-Five-A-Chronicle-of-a-City-Wilding-by-Sarah-Burns.pdf
    • http://kiteeearpdf.myhome.cx/1f211f216f211f214f212f212/Kakadu-National-Park-Australia-by-Ian-Morris.pdf
    • http://kiteeearpdf.myhome.cx/8f212f215f210f217f212/Hiking-Marin-141-Great-Hikes-in-Marin-County-by-Don-W-Martin.pdf
    • http://kiteeearpdf.myhome.cx/8f210f217f219f212f213/Gros-Morne-National-Park-by-Michael-Burzynski.pdf
    • http://kiteeearpdf.myhome.cx/9f216f215f217f218f214/Grand-Canyon-National-Park-by-Jennifer-Denniston.pdf
    • http://kiteeearpdf.myhome.cx/1f211f216f211f214f213f217/Kakadu-The-Making-of-a-National-Park-by-David-Lawrence.pdf
    • http://kiteeearpdf.myhome.cx/7f211f219f214f210f212/Hiking-Alabama-A-Guide-to-Alabama-s-Greatest-Hiking-Adventures-by-Joe-Cuhaj.pdf
    • http://kiteeearpdf.myhome.cx/2f211f210f212f211/The-Secrets-Of-Sadie-Maynard-Mountains-Of-West-Virginia-2-by-Linda-Anderson.pdf
    • http://kiteeearpdf.myhome.cx/5f214f213f210f211f212/Bear-in-the-Back-Seat-II-Adventures-of-a-Wildlife-Ranger