Malicious PDF — malware analysis report

Static analysis result for SHA-256 a161e9cad9200944…

MALICIOUS

PDF

20.2 KB Created: 2019-05-02 01:12:16 +01:00 Authoring application: mPDF 5.7
MD5: 2f97fbc306f5e486fc2c8d609967062e SHA-1: 7d97f0cbe5bfb3d662350c8481fe90acf61f0f51 SHA-256: a161e9cad9200944f093748a63230173b4cb5763cea70a6ac8fdfbe416a71ae2
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier strongly indicated maliciousness. While no scripts were extracted, the PDF structure and link farm heuristic suggest a malicious intent to redirect users to potentially harmful content hosted on loaminoo.linkpc.net.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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/8099098092099/Sin-City-Vol-6-Booze-Broads-and-Bullets-Sin-City-6-by-Frank-Miller.pdf
    • http://loaminoo.linkpc.net/2093099094091/Sin-City-Vol-4-That-Yellow-Bastard-Sin-City-4-by-Frank-Miller.pdf
    • http://loaminoo.linkpc.net/5095096095097094/Sin-City-The-Hard-Goodbye-Sin-City-1-by-Frank-Miller.pdf
    • http://loaminoo.linkpc.net/4090097098093092/Sin-City-by-Frank-Miller.pdf
    • http://loaminoo.linkpc.net/4098093094096091/City-of-Bones-City-of-Ashes-City-of-Glass-City-of-Fallen-Angels-City-of-Lost-Souls-The-Mortal-Instruments-1-5-by-Cassandra-Clare.pdf
    • http://loaminoo.linkpc.net/3097096090091/City-of-Bones-City-of-Ashes-City-of-Glass-City-of-Fallen-Angels-City-of-Lost-Souls-The-Mortal-Instruments-1-5-by-Cassandra-Clare.pdf
    • http://loaminoo.linkpc.net/2094090094096093/Sin-City-Vol-3-The-Big-Fat-Kill-by-Frank-Miller.pdf
    • http://loaminoo.linkpc.net/9091096096098096/The-Absurd-Adventures-of-Archibald-Aardvark-Volume-1-Bullets-Booze-and-Beelzebub-by-Dara-Naraghi.pdf
    • http://loaminoo.linkpc.net/3094092091098098/Blackfish-City-by-Sam-J-Miller.pdf
    • http://loaminoo.linkpc.net/3092095090090/The-Mortal-Instruments-Boxed-Set-City-of-Bones-City-of-Ashes-City-of-Glass-The-Mortal-Instruments-1-3-by-Cassandra-Clare.pdf
    • http://loaminoo.linkpc.net/8096090096096/The-Emerald-City-of-Oz-Oz-6-by-L-Frank-Baum.pdf
    • http://loaminoo.linkpc.net/3097095096095098/Emerald-City-of-Oz-by-L-Frank-Baum.pdf
    • http://loaminoo.linkpc.net/1090092098098098090/The-Emerald-City-of-Oz-Oz-6-by-L-Frank-Baum.pdf
    • http://loaminoo.linkpc.net/5092096097090/City-of-the-Sun-Frank-Behr-1-by-David-Levien.pdf
    • http://loaminoo.linkpc.net/1098090099090/Dance-for-a-City-Fifty-Years-of-the-New-York-City-Ballet-by-Lynn-Garafola.pdf
    • http://loaminoo.linkpc.net/4092093092093092/Keys-to-the-City-Tales-of-a-New-York-City-Locksmith-by-Joel-Kostman.pdf
    • http://loaminoo.linkpc.net/1091099092099098095/The-City-as-Interface-How-Digital-Media-Are-Changing-the-City-by-Martijn-de-Waal.pdf
    • http://loaminoo.linkpc.net/5092091095096096/City-of-Sedition-The-History-of-New-York-City-during-the-Civil-War-by-John-Strausbaugh.pdf
    • http://loaminoo.linkpc.net/3090099091092095/Surviving-the-City-The-Chinese-Immigrant-Experience-in-New-York-City-1890d1970-by-Xinyang-Wang.pdf
    • http://loaminoo.linkpc.net/9095095097097097/City-Weekends-Greatest-Escapes-and-Weekend-Getaways-In-and-Around-New-York-City-by-Alison-Lowenstein.pdf

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