Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7325c95553175bb…

MALICIOUS

PDF

15.7 KB Created: 2019-04-30 01:57:10 +01:00 Authoring application: mPDF 5.7
MD5: d8f00ce316cff7cfcf007962c65446c4 SHA-1: dd2fed2f510cc1eccfe4a9516fa3712d18f6c348 SHA-256: d7325c95553175bb5d4f77c94e415250405c5ab5bb05821a073cc055abdaf37f
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files, hosted on a dynamic DNS domain. This behavior is indicative of a link farm or a lure to download further malicious content. The ML classifier strongly supports the malicious verdict.

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.linkpc.net/4097099096099096/Sifting-Through-the-Madness-for-the-Word-the-Line-the-Way-by-Charles-Bukowski.pdf
    • http://loaminoo.linkpc.net/1090091095091090090/Bukowski-on-Bukowski-by-Charles-Bukowski.pdf
    • http://loaminoo.linkpc.net/8097093096094/Ham-on-Rye-by-Charles-Bukowski.pdf
    • http://loaminoo.linkpc.net/7091092090095090/Ham-On-Rye-Canons-by-Charles-Bukowski.pdf
    • http://loaminoo.linkpc.net/8091093097095099/Kobiety-by-Charles-Bukowski.pdf
    • http://loaminoo.linkpc.net/3094096092091/Pulp-by-Charles-Bukowski.pdf
    • http://loaminoo.linkpc.net/1090091095092093095/Bring-Me-Your-Love-by-Charles-Bukowski.pdf
    • http://loaminoo.linkpc.net/1093097096094090/Mockingbird-Wish-Me-Luck-by-Charles-Bukowski.pdf
    • http://loaminoo.linkpc.net/1090091095091094099/Charles-Bukowski-A-Sure-Bet-by-Gerald-Locklin.pdf
    • http://loaminoo.linkpc.net/7092091092091/Love-Is-a-Dog-from-Hell-by-Charles-Bukowski.pdf
    • http://loaminoo.linkpc.net/3090099092092095/Post-Office-by-Charles-Bukowski.pdf
    • http://loaminoo.linkpc.net/4093096092099093/Post-Office-by-Charles-Bukowski.pdf
    • http://loaminoo.linkpc.net/4096098097090096/Dangling-in-the-Tournefortia-by-Charles-Bukowski.pdf
    • http://loaminoo.linkpc.net/4098098091093/The-Last-Night-of-the-Earth-Poems-by-Charles-Bukowski.pdf
    • http://loaminoo.linkpc.net/4095098094092098/The-Continual-Condition-Poems-by-Charles-Bukowski.pdf
    • http://loaminoo.linkpc.net/5096098092094/You-Get-So-Alone-at-Times-That-it-Just-Makes-Sense-by-Charles-Bukowski.pdf
    • http://loaminoo.linkpc.net/1095098094096097/What-Matters-Most-is-How-Well-You-Walk-Through-the-Fire-by-Charles-Bukowski.pdf
    • http://loaminoo.linkpc.net/4095094091093091/The-Days-Run-Away-Like-Wild-Horses-Over-the-Hills-by-Charles-Bukowski.pdf
    • http://loaminoo.linkpc.net/1090091095092093099/More-Notes-of-a-Dirty-Old-Man-The-Uncollected-Columns-by-Charles-Bukowski.pdf
    • http://loaminoo.linkpc.net/9090098092097094/The-Everything-Giant-Book-of-Word-Searches-Over-300-puzzles-challenge-even-the-most-diehard-word-search-fans-Over-300-Puzzles-to-Challenge-Even-the-Most-Diehard-Word-Search-Fan-by-Charles-Timmerman.pdf
    • http://loaminoo.linkpc.net/4095098094092098/The-Continual-Condition-Poems-by-Charles-Buk

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