Malicious PDF — malware analysis report

Static analysis result for SHA-256 242d138d51f56e24…

MALICIOUS

PDF

14.2 KB Created: 2019-05-02 05:15:54 +01:00 Authoring application: mPDF 5.7
MD5: 714472cddff63b264202ac7fff0e9123 SHA-1: 0168f57eb802201e9b506abeff78521c883b66f0 SHA-256: 242d138d51f56e24cd0c5a1abaa8fa49b5251b990e62a76f829eaf4a435e26a2
60 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various book titles hosted on the 'cefasfese.4pu.com' domain. While the individual links are marked as benign, the sheer volume and the nature of the heuristic suggest a link farm or traffic redirection scheme. No scripts were extracted from this sample. The attack pattern is likely to lure users into clicking these links, potentially leading to malicious websites or further content distribution.

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/2732733737731730/Night-Wars-Night-Warriors-4-by-Graham-Masterton.pdf
    • http://cefasfese.4pu.com/6739739736737/Night-Warriors-Night-Warriors-1-by-Graham-Masterton.pdf
    • http://cefasfese.4pu.com/2731735736739736/Ritual-by-Graham-Masterton.pdf
    • http://cefasfese.4pu.com/7737730739734734/The-Sphinx-by-Graham-Masterton.pdf
    • http://cefasfese.4pu.com/2732739738739731/Spirit-by-Graham-Masterton.pdf
    • http://cefasfese.4pu.com/3730731731735737/Prey-by-Graham-Masterton.pdf
    • http://cefasfese.4pu.com/1736739739739/Trauma-by-Graham-Masterton.pdf
    • http://cefasfese.4pu.com/3734733734733738/Ghost-Virus-by-Graham-Masterton.pdf
    • http://cefasfese.4pu.com/4738733733732739/Family-Portrait-by-Graham-Masterton.pdf
    • http://cefasfese.4pu.com/3734738734734731/Garden-of-Evil-by-Graham-Masterton.pdf
    • http://cefasfese.4pu.com/2732739738737731/The-Wells-of-Hell-by-Graham-Masterton.pdf
    • http://cefasfese.4pu.com/5730731731732736/Death-Mask-by-Graham-Masterton.pdf
    • http://cefasfese.4pu.com/5739739730736730/The-Coven-Beatrice-Scarlet-2-by-Graham-Masterton.pdf
    • http://cefasfese.4pu.com/6730732734730739/Blind-Panic-Manitou-5-by-Graham-Masterton.pdf
    • http://cefasfese.4pu.com/7736738734732/The-House-That-Jack-Built-by-Graham-Masterton.pdf
    • http://cefasfese.4pu.com/5734735731739737/The-Drowned-Katie-Maguire-7-5-by-Graham-Masterton.pdf
    • http://cefasfese.4pu.com/2735739730736739/White-Bones-Katie-Maguire-1-by-Graham-Masterton.pdf
    • http://cefasfese.4pu.com/5734735731739733/Dead-Girls-Dancing-Katie-Maguire-8-by-Graham-Masterton.pdf
    • http://cefasfese.4pu.com/2737733731734736/Forest-Ghost-A-Novel-of-Horror-and-Suicide-in-America-and-Poland-by-Graham-Masterton.pdf
    • http://cefasfese.4pu.com/8732730735731/In-the-Darkest-Night-Light-Warriors-4-by-Patti-O-39-Shea.pdf

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