Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea28358293e7aff0…

MALICIOUS

PDF

16.8 KB Created: 2019-05-02 00:42:47 +01:00 Authoring application: mPDF 5.7
MD5: d37baaef7ecd09a7672b8beb7a91af8d SHA-1: ba381976d16d38e6a3546de8dfb9979d85b79200 SHA-256: ea28358293e7aff0d1b9e13e4c0d54f74cd253002d38fb609792067235644e1c
90 Risk Score

Malware Insights

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

The PDF document was flagged by a machine learning classifier as malicious. Static analysis revealed a large number of embedded links, forming a link farm, with the primary URL being http://loaminoo.linkpc.net/1090097091097093091/Tales-from-Null-City-From-the-World-of-Null-City-Book-3-by-Barb-Taub.pdf. This suggests a social engineering attack aimed at redirecting users to potentially harmful content.

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/1090097091097093091/Tales-from-Null-City-From-the-World-of-Null-City-Book-3-by-Barb-Taub.pdf
    • http://loaminoo.linkpc.net/1090097091095098099/Null-Null-Siebzig-Mord-in-Hangzhou-by-Marlies-Ferber.pdf
    • http://loaminoo.linkpc.net/1090097091095098096/Gary-Null-s-Power-Aging-by-Gary-Null.pdf
    • http://loaminoo.linkpc.net/2095091097090/The-World-of-Null-A-by-A-E-van-Vogt.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/1090097091096096092/The-World-of-Null-A-Universe-Maker-by-A-E-van-Vogt.pdf
    • http://loaminoo.linkpc.net/2096096090095093/Null-States-Book-Two-of-the-Centenal-Cycle-by-Malka-Ann-Older.pdf
    • http://loaminoo.linkpc.net/8092096090092/The-Complete-Tales-of-the-City-Tales-of-the-City-1-6-by-Armistead-Maupin.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/4096099091093095/More-Tales-of-the-City-Tales-of-the-City-2-by-Armistead-Maupin.pdf
    • http://loaminoo.linkpc.net/2091097099097094/More-Tales-of-the-City-Tales-of-the-City-2-by-Armistead-Maupin.pdf
    • http://loaminoo.linkpc.net/9099095099094/More-Tales-of-the-City-Tales-of-the-City-2-by-Armistead-Maupin.pdf
    • http://loaminoo.linkpc.net/3093093095096/Tales-of-the-City-Tales-of-the-City-1-by-Armistead-Maupin.pdf
    • http://loaminoo.linkpc.net/4090090097091093/The-Sunken-City-and-Other-Tales-From-Round-the-World-by-James-McNeill.pdf
    • http://loaminoo.linkpc.net/2095096096092094/Strumpet-City-One-City-One-Book-Edition-by-James-Plunkett.pdf
    • http://loaminoo.linkpc.net/1090097091097094090/Null-Set-and-Other-Stories-by-George-Chambers.pdf
    • http://loaminoo.linkpc.net/1090097091097099090/Null-Immortalis-Nemonymous-10-by-D-F-Lewis.pdf
    • http://loaminoo.linkpc.net/1091097098091092091/Von-Null-auf-Liebe-mit-4-R-dern-by-Andrea-Bielfeldt.pdf
    • http://loaminoo.linkpc.net/1090097091098090097/Null-Models-In-Ecology-by-Nicholas-J-Gotelli.pdf
    • http://loaminoo.linkpc.net/3097096090091/City-of-Bones-City-of-Ashes-City-of-Glass-City-of-Fallen-Ang

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