Malicious PDF — malware analysis report

Static analysis result for SHA-256 be3f3772c17bb448…

MALICIOUS

PDF

17.0 KB Created: 2019-05-02 17:09:42 +01:00 Authoring application: mPDF 5.7
MD5: f1637b7717d7ee4556ff01b3f917be29 SHA-1: e8105babb69ff585ee9b4d018d25d5ecd55a7e9e SHA-256: be3f3772c17bb448bdf66fbf01a3493a491878b9ed1a3ddfb04343663873789f
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various URLs on the 'loaminoo.linkpc.net' domain. While the document body is unreadable, the presence of numerous links suggests an attempt to manipulate search engine results or redirect users to potentially malicious content. The ML classifier also flagged this PDF as malicious with high confidence.

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/4092097095098094/Unique-Different-Found-Nightfall-1-by-Violet-Samuels.pdf
    • http://loaminoo.linkpc.net/3097096091099/Unique-Different-Found-Nightfall-1-by-Violet-Samuels.pdf
    • http://loaminoo.linkpc.net/2095091092093096/Unique-Different-Found-The-Prologue-Nightfall-0-5-by-Violet-Samuels.pdf
    • http://loaminoo.linkpc.net/1094096094099090/Mysterious-Discovered-Accepted-Nightfall-3-by-Violet-Samuels.pdf
    • http://loaminoo.linkpc.net/9090098096098099/By-Nightfall-Nightfall-Series-Book-1-by-Ellen-Waite.pdf
    • http://loaminoo.linkpc.net/1093090096099092/The-Legend-of-Nightfall-Nightfall-1-by-Mickey-Zucker-Reichert.pdf
    • http://loaminoo.linkpc.net/8094094096095091/Unique-Unique-1-by-Nikki-Turner.pdf
    • http://loaminoo.linkpc.net/3097094099094091/Violet-s-Bumpy-Ride-A-Life-of-Faith-Violet-Travilla-6-by-Martha-Finley.pdf
    • http://loaminoo.linkpc.net/3097094099094096/Violet-s-Amazing-Summer-A-Life-of-Faith-Violet-Travilla-2-by-Martha-Finley.pdf
    • http://loaminoo.linkpc.net/4099097091094094/Violet-and-the-Hidden-Treasure-Violet-2-by-Harriet-Whitehorn.pdf
    • http://loaminoo.linkpc.net/1098097099093096/Violet-Midnight-Violet-Night-1-by-Lynn-Rush.pdf
    • http://loaminoo.linkpc.net/3098096091092098/Violet-in-Private-Violet-3-by-Melissa-C-Walker.pdf
    • http://loaminoo.linkpc.net/1090098091095094/Nightfall-Gardens-Nightfall-Gardens-1-by-Allen-Houston.pdf
    • http://loaminoo.linkpc.net/8092091099091093/Violet-to-Vita-The-Letters-of-Violet-Trefusis-to-Vita-Sackville-West-1910-1921-by-John-Phillips.pdf
    • http://loaminoo.linkpc.net/7094090098094/Principia-Discordia-Or-How-I-Found-Goddess-and-What-I-Did-to-Her-When-I-Found-Her-The-Magnum-Opiate-of-Malaclypse-the-Younger-by-Gregory-Hill.pdf
    • http://loaminoo.linkpc.net/2091091093099091/Found-Lost-amp-Found-2-by-Nadia-Simonenko.pdf
    • http://loaminoo.linkpc.net/3093099092096091/Found-at-the-Bookstore-Found-2-by-Christi-Snow.pdf
    • http://loaminoo.linkpc.net/2097092090096093/Found-at-the-Library-Found-1-by-Christi-Snow.pdf
    • http://loaminoo.linkpc.net/1096091098090090/Titanic-Survivor-The-Newly-Discovered-Memoirs-of-Violet-Jessop-Who-Survived-Both-the-Titanic-and-Britannic-Disasters-by-Violet-Jessop.pdf
    • http://loaminoo.linkpc.net/2092099092099095/Found-by-You-Found-by-You-1-by-Victoria-H-Smith.pdf

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