Malicious PDF — malware analysis report

Static analysis result for SHA-256 0b620ee53fb966ad…

MALICIOUS

PDF

14.8 KB Created: 2019-05-02 01:42:01 +01:00 Authoring application: mPDF 5.7
MD5: 95750faa672f061008a9db41f0d933d1 SHA-1: fdb5c365f86eb93228f61a07bca0db1d9f62f1ce SHA-256: 0b620ee53fb966ad52abc917a9e588265282b3498439fdae070799f24c5ab13f
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm. While the document body is heavily obfuscated, the presence of numerous links suggests a tactic to drive traffic to external sites, potentially for SEO manipulation or to host malicious content. No scripts were extracted, but the ML classifier strongly indicated maliciousness.

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/4098099093094092/The-Lost-Prince-The-Iron-Fey-Call-of-the-Forgotten-1-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/9094099091091097/Iron-Fey-Series-Volume-1-The-Iron-King-Winter-s-Passage-The-Iron-Daughter-The-Iron-Queen-Summer-s-Crossing-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/9094099091098095/The-Iron-Fey-Series-Julie-Kagawa-Collection-6-Books-Set-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/9094099091091095/Iron-King-4-The-Iron-Fey-Manga-4-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/4094092094097/Iron-s-Prophecy-The-Iron-Fey-4-5-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/2095098094093095/The-Iron-King-The-Iron-Fey-1-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/3099098097090099/The-Iron-King-The-Iron-Fey-1-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/3092098093092/The-Iron-Daughter-The-Iron-Fey-2-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/2099093096096097/The-Iron-King-The-Iron-Fey-1-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/3090092096097099/An-Iron-Fey-Valentine-The-Iron-Fey-4-4-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/1093095092097091/The-Iron-Daughter-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/4096097094091098/Rogue-Talon-2-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/4098097097090094/Legion-Talon-4-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/3098099099094/Rogue-Talon-2-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/5096094099/Legion-Talon-4-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/8091092092093094/Vampires-Banshees-and-Angels-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/9094099091091096/Zeke-s-Letter-to-Allie-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/2097091093098097/The-Immortal-Rules-Blood-of-Eden-1-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/5095091095091091/La-princesse-maudite-T1---Les-Royaumes-invisibles-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/3095097093092/The-Forever-Song-Blood-of-Eden-3-by-Julie-Kagawa.pdf

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