Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce5973cff9733a03…

MALICIOUS

PDF

12.9 KB Created: 2019-05-02 07:05:41 +01:00 Authoring application: mPDF 5.7
MD5: 5357b75f1d80e789a14e90a1732a76ea SHA-1: ba1fc56cd43c17a1e511de975cf93155a683a685 SHA-256: ce5973cff9733a03440dc50dd9a5e33ade2b10df74ac251ddd5919f5ff707df8
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Phishing: Spearphishing Attachment T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains a heuristic firing for a link farm, indicating a large number of embedded URLs. While most of these URLs are marked as benign, the sheer volume and the nature of the heuristic suggest an attempt to manipulate search engine results or to distribute potentially malicious content. The document body itself is heavily obfuscated but contains references to these URLs. No scripts were extracted, limiting further analysis of direct malicious actions.

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/2097099090095091/Playing-in-the-Rain-by-Jane-Harvey-Berrick.pdf
    • http://loaminoo.linkpc.net/2090097090091095/Playing-in-the-Rain-by-Jane-Harvey-Berrick.pdf
    • http://loaminoo.linkpc.net/1097093095098095/Lifers-by-Jane-Harvey-Berrick.pdf
    • http://loaminoo.linkpc.net/2098092097096090/Dazzled-by-Jane-Harvey-Berrick.pdf
    • http://loaminoo.linkpc.net/9097096099091097/Luka-The-Rhythm-2-by-Jane-Harvey-Berrick.pdf
    • http://loaminoo.linkpc.net/3092098095097090/Semper-Fi-The-Education-of-3-by-Jane-Harvey-Berrick.pdf
    • http://loaminoo.linkpc.net/1093095/The-Traveling-Man-Traveling-1-by-Jane-Harvey-Berrick.pdf
    • http://loaminoo.linkpc.net/4096096098098094/The-Traveling-Man-Traveling-1-by-Jane-Harvey-Berrick.pdf
    • http://loaminoo.linkpc.net/5096091092095097/Caillou-and-the-Rain-by-Roger-Harvey.pdf
    • http://loaminoo.linkpc.net/2090091095093096/Body-Rain-by-Jane-Eaton-Hamilton.pdf
    • http://loaminoo.linkpc.net/1091095095099098090/Playing-for-Keeps-Playing-Series-Book-3-by-Ashlie-Knapp.pdf
    • http://loaminoo.linkpc.net/4095099097094098/Harvey-Keitel-Harvey-Keitel-Harvey-Keitel-by-John-Dorsey.pdf
    • http://loaminoo.linkpc.net/3096099099092097/Rain-Storm-John-Rain-3-by-Barry-Eisler.pdf
    • http://loaminoo.linkpc.net/2095099091090092/Forever-Rain-Rain-Will-Fall-1-by-Cindy-Lou-Moldovan.pdf
    • http://loaminoo.linkpc.net/3091093090091091/Rain-At-Main-Event-by-Rain-Fields.pdf
    • http://loaminoo.linkpc.net/1091096097093094/Action-Hero-Rain-by-Rain-Fields.pdf
    • http://loaminoo.linkpc.net/3099093097098099/Dark-Rain-15-Short-Tales-by-J-R-Rain.pdf
    • http://loaminoo.linkpc.net/3098093090096098/Besieged-by-Rain-Son-of-Rain-1-by-Michelle-Irwin.pdf
    • http://loaminoo.linkpc.net/4090093097092099/After-the-Rain-Fire-and-Rain-2-by-Daisy-Harris.pdf
    • http://loaminoo.linkpc.net/1091094095098090090/The-rain-Tome-01-The-rain-by-Virginia-Bergin.pdf

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