Malicious PDF — malware analysis report

Static analysis result for SHA-256 44322971d84bd086…

MALICIOUS

PDF

19.3 KB Created: 2020-03-18 21:41:16 +00:00 Authoring application: mPDF 5.7
MD5: 3a16a3d0455c48f895b4c1e62b8a85e9 SHA-1: dfd1412242ca44d0d2b3378baadc8e4d86fede42 SHA-256: 44322971d84bd08672a833b9b9ada5bb676d03e6da28a29c60706970a60c8c0b
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO poisoning or to redirect users to malicious content. The ML classifier strongly flagged this PDF as malicious. No scripts were extracted from this sample, but the sheer volume of suspicious links suggests a content-luring or redirection attack.

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://rtuninnsi.myhome.cx/36a26a36a86a26a4/Murder-Freshly-Baked-Amish-Village-Mystery-3-by-Vannetta-Chapman.pdf
    • http://rtuninnsi.myhome.cx/36a26a46a06a56a2/Murder-Tightly-Knit-Amish-Village-Mystery-2-by-Vannetta-Chapman.pdf
    • http://rtuninnsi.myhome.cx/36a26a36a86a36a6/A-Simple-Amish-Christmas-by-Vannetta-Chapman.pdf
    • http://rtuninnsi.myhome.cx/36a16a96a96a56a5/A-Wedding-for-Julia-The-Pebble-Creek-Amish-3-by-Vannetta-Chapman.pdf
    • http://rtuninnsi.myhome.cx/96a86a06a16a0/Anna-s-Healing-by-Vannetta-Chapman.pdf
    • http://rtuninnsi.myhome.cx/26a06a76a06a36a2/Christmas-at-Pebble-Creek-by-Vannetta-Chapman.pdf
    • http://rtuninnsi.myhome.cx/36a26a46a06a56a3/Brian-s-Choice-Plain-and-Simple-Miracles-0-5-by-Vannetta-Chapman.pdf
    • http://rtuninnsi.myhome.cx/26a36a36a86a76a4/Sarah-s-Orphans-Plain-and-Simple-Miracles-3-by-Vannetta-Chapman.pdf
    • http://rtuninnsi.myhome.cx/36a26a06a56a26a7/Plainly-Murder-Amish-Quilt-Shop-Mystery-0-5-by-Isabella-Alan.pdf
    • http://rtuninnsi.myhome.cx/26a16a36a46a26a0/Baked-to-Death-Cookies-amp-Chance-Mystery-2-by-Catherine-Bruns.pdf
    • http://rtuninnsi.myhome.cx/46a36a86a56a16a7/Lemon-Tart-Mystery-Amish-Sweet-Shop-Mystery-3-by-Naomi-Miller.pdf
    • http://rtuninnsi.myhome.cx/56a96a56a76a9/Suspects-amp-Sleuth-s-Murder-Mystery-Design-Guide-A-Guide-to-Creating-Writing-and-Hosting-Your-Own-Murder-Mystery-Dinner-Party-Games-by-Brianna-Carlisle.pdf
    • http://rtuninnsi.myhome.cx/86a86a06a36a4/Amish-Friendship-Bread-Amish-Grace-An-Amish-of-Lancaster-County-Saga-by-Ruth-Price.pdf
    • http://rtuninnsi.myhome.cx/36a76a56a96a06a8/Heart-Strings-Evelynton-Murder-1-by-Lynne-Waite-Chapman.pdf
    • http://rtuninnsi.myhome.cx/36a46a36a06a86a6/A-Season-for-Murder-Mitchell-and-Markby-Village-2-by-Ann-Granger.pdf
    • http://rtuninnsi.myhome.cx/56a46a16a66a06a2/Murder-at-the-Mansion-Victorian-Village-Mysteries-1-by-Sheila-Connolly.pdf
    • http://rtuninnsi.myhome.cx/66a06a56a66a86a6/Murder-on-the-Green-A-gripping-crime-mystery-full-of-cooking-and-murder-by-H-V-Coombs.pdf
    • http://rtuninnsi.myhome.cx/36a86a66a36a66a3/Murder-Most-Green-Everything-You-Need-to-Host-a-St-Patrick-s-Day-Murder-Mystery-by-Jack-Pachuta.pdf
    • http://rtuninnsi.myhome.cx/46a26a86a36a66a1/Murder-at-the-Academy-Awards-A-Red-Carpet-Murder-Mystery-by-Joan-Rivers.pdf
    • http://rtuninnsi.myhome.cx/16a06a66a76a56a56a8/A-Merry-Little-Murder-A-Rhodes-to-Murder-Mystery-Bk-1-by-Mary-Welk.pdf
    • http://rtuninnsi.myhome.cx/26a16a36a46a26a0/Baked-to-Death-Coo

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