Malicious PDF — malware analysis report

Static analysis result for SHA-256 30a42d52a06cec5e…

MALICIOUS

PDF

17.5 KB Created: 2019-04-30 03:28:11 +01:00 Authoring application: mPDF 5.7
MD5: ef1d199dce7eef15079cbf48fb2f7037 SHA-1: db40548d2ea2378b13f18d2cc8049e8c9354f071 SHA-256: 30a42d52a06cec5e346bd34efde6c93616dfc82d4f6a757931feee301df706d9
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified as a link farm. While the URLs themselves are currently marked as benign, the sheer volume and the heuristic firing suggest a malicious intent, likely for SEO manipulation or to redirect users to malicious sites. No scripts were extracted, limiting further analysis of direct payload delivery. The ML classifier strongly indicated maliciousness.

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/7097097098091090/The-School-for-Good-and-Evil-B-amp-N-Exclusive-Edition-The-School-for-Good-and-Evil-Series-1-by-Iacopo-Bruno-Illustrator-Soman-Chainani.pdf
    • http://loaminoo.linkpc.net/5098099097097092/The-School-for-Good-and-Evil-Reihe-The-School-for-Good-and-Evil-1-3-by-Soman-Chainani.pdf
    • http://loaminoo.linkpc.net/2094098090098098/The-School-for-Good-and-Evil-The-School-for-Good-and-Evil-1-by-Soman-Chainani.pdf
    • http://loaminoo.linkpc.net/7091091094098093/The-School-for-Good-and-Evil-The-School-for-Good-and-Evil-1-4-by-Soman-Chainani.pdf
    • http://loaminoo.linkpc.net/5098099096092096/Eine-Welt-ohne-Prinzen-The-School-for-Good-and-Evil-2-by-Soman-Chainani.pdf
    • http://loaminoo.linkpc.net/2091094094094093/A-Crystal-of-Time-The-School-for-Good-and-Evil-The-Camelot-Years-2-by-Soman-Chainani.pdf
    • http://loaminoo.linkpc.net/9099098096093095/Beyond-Good-and-Evil-by-Friedrich-Nietzsche.pdf
    • http://loaminoo.linkpc.net/8098099094098098/Beyond-Good-and-Evil-by-Friedrich-Nietzsche.pdf
    • http://loaminoo.linkpc.net/1095091091099096/The-Valley-of-Good-and-Evil-by-L-E-Barrett.pdf
    • http://loaminoo.linkpc.net/4091093096093091/Beyond-Good-And-Evil-by-Friedrich-Nietzsche.pdf
    • http://loaminoo.linkpc.net/1091099096093098/Necessary-Evil-and-the-Greater-Good-by-Adam-Ingle.pdf
    • http://loaminoo.linkpc.net/9096094093096/The-Knowledge-of-Good-amp-Evil-by-Glenn-Kleier.pdf
    • http://loaminoo.linkpc.net/3094094090097096/The-Garden-of-Good-and-Evil-Pancakes-by-David-S-Atkinson.pdf
    • http://loaminoo.linkpc.net/3099097093096093/Midnight-in-the-Garden-of-Good-and-Evil-by-John-Berendt.pdf
    • http://loaminoo.linkpc.net/2092093092093090/The-Nature-of-Good-and-Evil-Journey-of-the-Soul-3-by-Sylvia-Browne.pdf
    • http://loaminoo.linkpc.net/6091096090099098/Beyond-Good-and-Evil-Prelude-to-a-Philosophy-of-the-Future-by-Friedrich-Nietzsche.pdf
    • http://loaminoo.linkpc.net/8099095090099098/Beyond-Good-and-Evil-Prelude-to-a-Philosophy-of-the-Future-by-Friedrich-Nietzsche.pdf
    • http://loaminoo.linkpc.net/3096099091098095/In-the-Eye-of-the-Hurricane-Tales-of-Good-and-Evil-Help-and-Harm-by-Philip-Paul-Hallie.pdf
    • http://loaminoo.linkpc.net/1096097092094093/The-Ascension-Mysteries-Revealing-the-Cosmic-Battle-Between-Good-and-Evil-by-David-Wilcock.pdf
    • http://loaminoo.linkpc.net/4094097090099093/The-Lucifer-Effect-Understanding-How-Good-People-Turn-Evil-by-Philip-G-Zimbardo.pdf

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