Malicious PDF — malware analysis report

Static analysis result for SHA-256 2830f6c42036757b…

MALICIOUS

PDF

15.5 KB Created: 2019-04-30 10:29:15 +01:00 Authoring application: mPDF 5.7
MD5: 9e77e2039cb67916aa7cd5ef06281ede SHA-1: 4c0e5222bbf0e90aad535f69f487456d74c489c4 SHA-256: 2830f6c42036757b83ad240308bb27a02eaec1af14b848662b5639b354342fb7
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, hosted on a domain exhibiting characteristics of a link farm. This suggests a social engineering tactic to direct users to potentially malicious content or to manipulate search engine rankings. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9778

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://cefasfese.4pu.com/4733734730736731/Between-Darkness-and-Light-Sholan-Alliance-7-by-Lisanne-Norman.pdf
    • http://cefasfese.4pu.com/1732739737734737/Turning-Point-Sholan-Alliance-1-by-Lisanne-Norman.pdf
    • http://cefasfese.4pu.com/4733734730735737/Razor-s-Edge-Sholan-Alliance-4-by-Lisanne-Norman.pdf
    • http://cefasfese.4pu.com/1735736731738730/Fugitive-Prince-Wars-of-Light-amp-Shadow-4-Arc-3---Alliance-of-Light-1-by-Janny-Wurts.pdf
    • http://cefasfese.4pu.com/1733732737734730/Peril-s-Gate-Wars-of-Light-and-Shadow-6-Arc-3---Alliance-of-Light-3-by-Janny-Wurts.pdf
    • http://cefasfese.4pu.com/2737737730737730/Unholy-Alliance-Knights-of-the-Darkness-Chronicles-6-by-D-N-Simmons.pdf
    • http://cefasfese.4pu.com/1731738733737737/Kiss-of-Darkness-Alliance-Vampires-7-by-Heather-Graham.pdf
    • http://cefasfese.4pu.com/4737734737733/There-is-No-Light-in-Darkness-Darkness-1-by-Claire-Contreras.pdf
    • http://cefasfese.4pu.com/1738738731734738/Alliance-Forged-The-Light-Blade-2-by-Kylie-Griffin.pdf
    • http://cefasfese.4pu.com/6737733730732730/Darkness-and-Light-War-of-the-Fae-3-by-Elle-Casey.pdf
    • http://cefasfese.4pu.com/3736736734735730/In-the-Light-of-Darkness-by-Delizhia-D-Jenkins.pdf
    • http://cefasfese.4pu.com/1731739734738736/Into-the-Darkness-The-Legend-of-Shadow-and-Light-1-by-Fox-Lee.pdf
    • http://cefasfese.4pu.com/3730737734735731/Of-Darkness-and-Light-by-Barry-Graham.pdf
    • http://cefasfese.4pu.com/5736738732735/Light-in-my-Darkness-by-Helen-Keller.pdf
    • http://cefasfese.4pu.com/1733733736731732/Darkness-amp-Light-War-of-the-Fae-3-by-Elle-Casey.pdf
    • http://cefasfese.4pu.com/1737738739734732/After-Darkness-Light-Dreamcatchers-1-by-Tom-Sarega.pdf
    • http://cefasfese.4pu.com/4738736737739739/Darkness-of-the-Light-by-Peter-David.pdf
    • http://cefasfese.4pu.com/4738735738734738/On-the-Shores-of-Darkness-There-Is-Light-by-Cordelia-Strube.pdf
    • http://cefasfese.4pu.com/1732734736732732/The-Darkness-of-Light-The-Dia-Chronicles-1-by-Tammy-Farrell.pdf
    • http://cefasfese.4pu.com/5735734734738737/Josephine-Out-of-the-Darkness-Into-the-Light-by-Diane-Chartrand.pdf
    • http://cefasfese.4pu.com/4737734737733/There-is-No-Light-in-Darkness-Darkness-1-by

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