Malicious PDF — malware analysis report

Static analysis result for SHA-256 694eefc22a4fb967…

MALICIOUS

PDF

18.4 KB Created: 2019-05-02 06:09:53 +01:00 Authoring application: mPDF 5.7
MD5: 31d09a6732ced0b2ebc8bf5891b894a9 SHA-1: 43dbb921c086a0458bd0780158ac9b287f70527f SHA-256: 694eefc22a4fb967d619edd2872053e7243a285cfc923c37f2a2ec361b1465ef
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, forming a link farm that directs users to external PDF files. This technique is often used to distribute malicious content or to engage in SEO poisoning. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/4096095097093094/Attack-on-Titan-No-Regrets-Complete-Color-Edition-by-Hajime-Isayama.pdf
    • http://loaminoo.linkpc.net/7094096099093/Attack-on-Titan-Colossal-Edition-1-by-Hajime-Isayama.pdf
    • http://loaminoo.linkpc.net/4096091099091099/Attack-on-Titan-Vol-20-by-Hajime-Isayama.pdf
    • http://loaminoo.linkpc.net/3092099094090/Attack-on-Titan-Vol-15-by-Hajime-Isayama.pdf
    • http://loaminoo.linkpc.net/1090093093091099099/Attack-on-Titan-Vol-12-by-Hajime-Isayama.pdf
    • http://loaminoo.linkpc.net/3091094094093098/Attack-on-Titan-Vol-6-Attack-on-Titan-6-by-Hajime-Isayama.pdf
    • http://loaminoo.linkpc.net/1090091090096093/Attack-on-Titan-Vol-2-Attack-on-Titan-2-by-Hajime-Isayama.pdf
    • http://loaminoo.linkpc.net/1091095094090093095/Attack-on-Titan-The-Spinoffs-Collection-by-Hajime-Isayama.pdf
    • http://loaminoo.linkpc.net/8094090093094092/-24-Shingeki-no-Kyojin-24-Attack-on-Titan-24-by-Hajime-Isayama.pdf
    • http://loaminoo.linkpc.net/9098093093/-15-Shingeki-no-Kyojin-15-Attack-on-Titan-15-by-Hajime-Isayama.pdf
    • http://loaminoo.linkpc.net/3097095099094090/Attack-on-Titan-Before-the-Fall-Vol-2-Attack-on-Titan-Before-the-Fall-Manga-2-by-Hajime-Isayama.pdf
    • http://loaminoo.linkpc.net/4096090098094092/Attack-on-Titan-Before-the-Fall-Vol-8-Attack-on-Titan-Before-the-Fall-Manga-8-by-Hajime-Isayama.pdf
    • http://loaminoo.linkpc.net/3097095094092094/-Before-the-Fall-8-Shingeki-no-Kyojin-Before-the-Fall-8-Attack-on-Titan-Before-the-Fall-Manga-8-by-Hajime-Isayama.pdf
    • http://loaminoo.linkpc.net/4091099091098094/--LOST-GIRLS-1-Shingeki-no-Kyojin-Lost-Girls-1-Attack-on-Titan-Lost-Girls-Manga-1-by-Hajime-Isayama.pdf
    • http://loaminoo.linkpc.net/4097091091096090/-2-Sungeki-no-Kyojin-2-Spoof-on-Titan-2-by-Hajime-Isayama.pdf
    • http://loaminoo.linkpc.net/4097091090099099/-1-Sungeki-no-Kyojin-1-Spoof-on-Titan-1-by-Hajime-Isayama.pdf
    • http://loaminoo.linkpc.net/5090090096096095/Attack-on-Titan-Anthology-by-Scott-Snyder.pdf
    • http://loaminoo.linkpc.net/7095099096090/Attack-on-Titan-Junior-High-Omnibus-Vol-1-by-Saki-Nakagawa.pdf
    • http://loaminoo.linkpc.net/4097091090094094/--1-Shingeki-Kyojin-Chuugakkou-1-Attack-on-Titan-Junior-High-1-by-Saki-Nakagawa.pdf
    • http://loaminoo.linkpc.net/3097095096099097/Attack-on-Titan-quot-Shingeki-no-Kyojin-quot-Art-Book-3-by-Kyouzi-Asano.pdf

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