Malicious PDF — malware analysis report

Static analysis result for SHA-256 e690b1652f7abd37…

MALICIOUS

PDF

15.5 KB Created: 2019-05-04 13:12:55 +01:00 Authoring application: mPDF 5.7
MD5: a8f7d5b8d458321b497ebbf1f3007581 SHA-1: 3eb2cb2b8d5e85557e87fe4a52703fc085d1d46f SHA-256: e690b1652f7abd37cdf70694305694bf969cc66be370905efa91e758354c9df6
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier strongly flagged this PDF as malicious. While the specific intent of the links is unclear due to their confirmed benign reputation, the sheer volume and the heuristic firing suggest a malicious purpose, likely related to driving traffic or distributing further malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9880

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.li
    • http://loaminoo.linkpc.net/4090096091099097/At-Twilight-Born-in-Twilight-Beyond-Twilight-Wings-in-the-Night-4-amp-5-by-Maggie-Shayne.pdf
    • http://loaminoo.linkpc.net/1091092094092096093/We-Learn-Nothing-by-Tim-Kreider.pdf
    • http://loaminoo.linkpc.net/4094095090093097/An-Encyclopedia-of-ASSHOLES-Scumbags-Slimeballs-Sleazoids-Lowlifes-and-Jerks-Etc-by-Kristoffer-Darlington.pdf
    • http://loaminoo.linkpc.net/2095095094098/Twilight-Fulfilled-Wings-in-the-Night-18-Children-of-Twilight-2-by-Maggie-Shayne.pdf
    • http://loaminoo.linkpc.net/1091099093091095094/Twilight-Midnight-Sun-Edward-s-Version-of-The-Twilight-Saga-A-Parody-by-E-Cullen.pdf
    • http://loaminoo.linkpc.net/3095092097090/The-Twilight-Saga-The-Official-Illustrated-Guide-Twilight-4-5-by-Stephenie-Meyer.pdf
    • http://loaminoo.linkpc.net/2098091095094090/Twilight-Life-and-Death-Twilight-1-1-75-by-Stephenie-Meyer.pdf
    • http://loaminoo.linkpc.net/5095092099096/Twilight-Life-and-Death-Twilight-1-1-75-by-Stephenie-Meyer.pdf
    • http://loaminoo.linkpc.net/5093092093099091/Twilight-Twilight-1-by-Stephenie-Meyer.pdf
    • http://loaminoo.linkpc.net/3090091090092097/Twilight-Twilight-1-by-Stephenie-Meyer.pdf
    • http://loaminoo.linkpc.net/6090097096090/Twilight-Twilight-1-by-Stephenie-Meyer.pdf
    • http://loaminoo.linkpc.net/4094099094097097/Twilight-In-Delhi-by-Ahmed-Ali.pdf
    • http://loaminoo.linkpc.net/5091091093091/Because-of-Twilight-by-Adele-Bradford.pdf
    • http://loaminoo.linkpc.net/2093093095092092/Hercules-Twilight-of-a-God-by-Bob-Layton.pdf
    • http://loaminoo.linkpc.net/2094091099096090/The-Twilight-Swimmer-by-A-C-Kavich.pdf
    • http://loaminoo.linkpc.net/1091098092098098/The-Twilight-Legacies-by-M-J-Stoddard.pdf
    • http://loaminoo.linkpc.net/5092092090092094/Twilight-s-End-by-Alec-Hutson.pdf
    • http://loaminoo.linkpc.net/6098096097098092/The-Twilight-Children-by-Gilbert-Hern-ndez.pdf
    • http://loaminoo.linkpc.net/8091096094090098/Book-of-Twilight-by-Pablo-Neruda.pdf
    • http://loaminoo.linkpc.net/3099096097092097/Twilight-of-the-Idols-by-Friedrich-Nietzsche.pdf

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