Malicious PDF — malware analysis report

Static analysis result for SHA-256 3a9153d277c1bc8b…

MALICIOUS

PDF

13.3 KB Created: 2019-05-03 05:44:50 +01:00 Authoring application: mPDF 5.7
MD5: fba31f55cdf64ff6199040ebebd21986 SHA-1: 192125de6694310037b0129d266d01c0779dc329 SHA-256: 3a9153d277c1bc8b8a6b04694b82e66d7ae904ae9049c1726aff4cbd52513446
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links pointing to external PDF documents hosted on the 'loaminoo.linkpc.net' domain. This technique is often used to distribute malicious content or to engage in SEO poisoning to drive traffic to malicious sites. The ML classifier also flagged this PDF as malicious with a high confidence score.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9102

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/1090093090094094091/Works-by-Poul-Anderson-Book-Guide-Novellas-by-Poul-Anderson-Novels-by-Poul-Anderson-Short-Stories-by-Poul-Anderson-by-Source-Wikipedia.pdf
    • http://loaminoo.linkpc.net/2095090097099/Tau-Zero-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/4096094091098090/Tau-Zero-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/3098091092097098/Mirkheim-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/1090093090092099095/The-Man-Who-Counts-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/6097099090090099/Sentiment-Inc-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/5090093090094093/The-Byworlder-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/3098098096097091/The-Day-of-Their-Return-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/4095096099093099/Call-Me-Joe-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/3092091091099095/Time-Patrolman-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/8096092096091/Three-Hearts-and-Three-Lions-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/1090093090092099097/Satan-s-World-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/5090092097099090/The-High-Crusade-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/2095091094093/The-Enemy-Stars-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/7090094096099091/Conan-the-Rebel-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/1090093090093093096/Virgin-Planet-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/4095096099094095/The-Long-Night-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/1090093090094094092/The-Winter-of-the-World-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/2097096096096094/The-Devil-s-Game-by-Poul-Anderson.pdf
    • http://loaminoo.linkpc.net/1098096099098098/The-Rebel-Worlds-by-Poul-Anderson.pdf

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