Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ee6262e3c4b8d6f…

MALICIOUS

PDF

17.2 KB Created: 2019-04-30 04:07:19 +01:00 Authoring application: mPDF 5.7
MD5: e3bf5eb159a3c02b4b0c769127f01dc1 SHA-1: 78ce0a8bf2cc3c1e844a45ade137ad5ac3cf267f SHA-256: 9ee6262e3c4b8d6f168f1e9c95fcd0a9948410b1715e36364050801e7ef7d9ef
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. While the specific content of the links appears benign, the heuristic 'PDF_SEO_LINK_FARM' indicates a pattern often used for SEO manipulation or to distribute malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted, but the structure suggests a delivery mechanism for potentially harmful content hosted externally.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/5093096098090098/Wounded-Warriors-A-Soldier-s-Story-of-Healing-through-Birds-by-Robert-Vallieres.pdf
    • http://loaminoo.linkpc.net/2091099098091092/Dear-Soldier-With-Love-II-A-Lost-Soldier-Named-Grey-by-Tarian-P-S-.pdf
    • http://loaminoo.linkpc.net/3097099096091096/Wounded-Warrior-Wounded-Wife-Not-Just-Surviving-But-Thriving-by-Barbara-McNally.pdf
    • http://loaminoo.linkpc.net/2091090094091093/Chester-I-Love-You-by-Blaine-M-Yorgason.pdf
    • http://loaminoo.linkpc.net/2095097096093093/An-Invitation-to-Love-by-Blaine-D-Arden.pdf
    • http://loaminoo.linkpc.net/3093096099090092/A-Little-Bit-like-Love-South-Haven-1-by-Brooke-Blaine.pdf
    • http://loaminoo.linkpc.net/1090092097096098092/Forgive-and-Love-Again-Healing-Wounded-Relationships-by-John-W-Nieder.pdf
    • http://loaminoo.linkpc.net/2095095091097098/The-Heart-of-a-Soldier-A-True-Love-Story-of-Love-War-and-Sacrifice-by-Kate-Blaise.pdf
    • http://loaminoo.linkpc.net/2091090093098091/One-Tattered-Angel-A-Touching-True-Story-of-the-Power-of-Love-by-Blaine-M-Yorgason.pdf
    • http://loaminoo.linkpc.net/1091093095091090/A-Soldier-in-Love-by-A-Petrov.pdf
    • http://loaminoo.linkpc.net/2091098091098095/Love-You-Soldier-by-Amy-Hest.pdf
    • http://loaminoo.linkpc.net/3095092098098090/The-Lost-Love-of-a-Soldier-Marlow-Intrigues-1-by-Jane-Lark.pdf
    • http://loaminoo.linkpc.net/1091090094090090097/Die-letzte-Klausur---ein-F-hr-Krimi-by-Reimer-J-rgensen.pdf
    • http://loaminoo.linkpc.net/2091093092090094/The-Winter-Soldier-Soldier-of-Fortune-5-amp-Long-Tall-Texans-38-by-Diana-Palmer.pdf
    • http://loaminoo.linkpc.net/7096097094091094/Soldier-of-Zion-Short-Stories-by-an-Ex-Soldier-by-Solomon-Gabriel-Azoulai.pdf
    • http://loaminoo.linkpc.net/6094090097096/Soldier-In-The-Yellow-Socks-Charles-Upham---Our-Finest-Fighting-Soldier-by-Janice-Marriott.pdf
    • http://loaminoo.linkpc.net/1090098090094097095/A-Soldier-s-Oath-Soldier-s-Pact-Book-2-by-Angelica-Kate.pdf
    • http://loaminoo.linkpc.net/3092092092092091/The-Soldier-and-the-State-Trooper-The-Soldier-and-1-by-Cherie-Noel.pdf
    • http://loaminoo.linkpc.net/1091099097092097096/Sacrificed-amp-Reclaimed---The-Soldier-s-Daring-Widow-8-Love-s-Second-Chance-Series---Bonus-Novella-by-Bree-Wolf.pdf
    • http://loaminoo.linkpc.net/4099091090092099/Mathematicians-are-People-Too-Stories-from-the-Lives-of-Great-Mathematicians-Volume-Two-by-Luetta-Reimer.pdf
    • http://loaminoo.linkpc.net/3095092098098090/The-Lost-Love-of-a-Soldier-Marlow-Intrigues-1-by-