Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7719ffb291ca4e7…

MALICIOUS

PDF

14.3 KB Created: 2019-05-07 02:54:30 +01:00 Authoring application: mPDF 5.7
MD5: a98aa5b819ca0b1f9e2e09c90ec51333 SHA-1: 9e7df3ecccb01843f99d1a88668848987129329f SHA-256: f7719ffb291ca4e7bb87f9be5c1b408670abec29680d0e9071d7c07fed889ff3
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier as malicious. Static analysis revealed a large number of embedded URLs, many of which are numeric slugs pointing to what appear to be book titles. This suggests a link farm or SEO poisoning technique, potentially used to distribute malicious content or drive traffic to malicious sites. No scripts were extracted from this sample, and the document body was heavily obfuscated, limiting further analysis of the specific payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

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/3091090095092091/Phoenix-Rising-Maggie-Henning-amp-The-Realm-1-by-Lisa-C-Morgan.pdf
    • http://loaminoo.linkpc.net/3093098095093097/Phoenix-Rising-Maggie-Henning-amp-The-Realm-1-by-Lisa-C-Morgan.pdf
    • http://loaminoo.linkpc.net/2094098091097097/Phoenix-Shadow-Maggie-Henning-amp-The-Realm-3-by-Lisa-C-Morgan.pdf
    • http://loaminoo.linkpc.net/2094097099094092/Waking-the-Phoenix-Mythrian-Realm-2-by-Lindsay-Avalon.pdf
    • http://loaminoo.linkpc.net/4095095091093092/Phoenix-Rising-by-Theo-Fenraven.pdf
    • http://loaminoo.linkpc.net/5097096096090/Phoenix-Rising-by-JoLynne-Valerie.pdf
    • http://loaminoo.linkpc.net/2095096095092099/Phoenix-Rising-by-Kimberly-Gardner.pdf
    • http://loaminoo.linkpc.net/2098093093098099/The-Stage-Phoenix-Rising-1-by-Shelby-Rebecca.pdf
    • http://loaminoo.linkpc.net/4099095095097098/Guilty-as-Sin-Phoenix-Rising-4-by-Denise-Rossetti.pdf
    • http://loaminoo.linkpc.net/1091091097093092/The-Last-Rising-Curse-of-the-Phoenix-1-by-Rachel-Firasek.pdf
    • http://loaminoo.linkpc.net/1096090096095093/Strongman-Phoenix-Rising-3-by-Denise-Rossetti.pdf
    • http://loaminoo.linkpc.net/3091095098099091/Strongman-Phoenix-Rising-3-by-Denise-Rossetti.pdf
    • http://loaminoo.linkpc.net/2093090099095092/Phoenix-Rising-Balanced-Sword-1-by-Ryk-E-Spoor.pdf
    • http://loaminoo.linkpc.net/3098097098090091/Tailspin-Phoenix-Rising-2-by-Denise-Rossetti.pdf
    • http://loaminoo.linkpc.net/7090091093098091/Destiny-Calls-The-Phoenix-Rising-1-by-Phenice-Arielle.pdf
    • http://loaminoo.linkpc.net/3097092092095091/Paragon-Rising-Curse-of-the-Phoenix-2-by-Dorothy-Dreyer.pdf
    • http://loaminoo.linkpc.net/2099095090095091/Gift-of-the-Goddess-Phoenix-Rising-1-by-Denise-Rossetti.pdf
    • http://loaminoo.linkpc.net/1097093091093092/Phoenix-Rising-Or-How-to-Survive-Your-Life-by-Cynthia-D-Grant.pdf
    • http://loaminoo.linkpc.net/2095090096095094/Incendiary-Phoenix-Rising-Rock-Band-2-by-Kathryn-C-Kelly.pdf
    • http://loaminoo.linkpc.net/5093090092091094/Phoenix-Rising-Book-Two-of-The-Icarus-Trilogy-by-Kevin-Kauffmann.pdf

Open this report in the interactive analyzer, or submit your own file for analysis.