Malicious PDF — malware analysis report

Static analysis result for SHA-256 7699a493bf037dfe…

MALICIOUS

PDF

16.0 KB Created: 2019-07-29 07:33:02 +01:00 Authoring application: mPDF 5.7
MD5: 96f481d00172bb1186b655dcc1c66393 SHA-1: aaf1930717228733ac6e884057f51d3fdd1f7f4c SHA-256: 7699a493bf037dfe6c23c387685760ac906f13f386f4084a1e2c373e4a1af306
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded links to external PDF documents, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier also flagged this PDF as malicious. While the URLs themselves are currently marked as benign, the sheer volume and the heuristic firing indicate a suspicious pattern. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9800

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/1735737731731735/To-Train-the-Fleet-for-War-The-U-S-Navy-Fleet-Problems-1923-1940-by-Albert-A-Nofi.pdf
    • http://cefasfese.4pu.com/5737732733733731/Benedict-Arnold-s-Navy-The-Ragtag-Fleet-That-Lost-the-Battle-of-Lake-Champlain-But-Won-the-American-Revolution-by-James-L-Nelson.pdf
    • http://cefasfese.4pu.com/4730731733735738/Benedict-Arnold-s-Navy-The-Ragtag-Fleet-That-Lost-the-Battle-of-Lake-Champlain-But-Won-the-American-Revolution-by-James-L-Nelson.pdf
    • http://cefasfese.4pu.com/2731739737733739/Fleet-of-Worlds-Fleet-of-Worlds-1-by-Larry-Niven.pdf
    • http://cefasfese.4pu.com/3732736732733731/Rebel-Fleet-Rebel-Fleet-1-by-B-V-Larson.pdf
    • http://cefasfese.4pu.com/6734732739733732/Spanish-American-War-1898-by-Albert-A-Nofi.pdf
    • http://cefasfese.4pu.com/4731731737734739/Wildflowers-by-Suki-Fleet.pdf
    • http://cefasfese.4pu.com/3734730734739734/Foxes-by-Suki-Fleet.pdf
    • http://cefasfese.4pu.com/2738736739730732/Falling-by-Suki-Fleet.pdf
    • http://cefasfese.4pu.com/3731731737734739/Mama-Loves-Me-by-Mara-Van-Fleet.pdf
    • http://cefasfese.4pu.com/4732737731738739/The-Sound-of-Drowning-by-Katherine-Fleet.pdf
    • http://cefasfese.4pu.com/2732738739738731/This-Is-Not-a-Love-Story-by-Suki-Fleet.pdf
    • http://cefasfese.4pu.com/2735733736734736/Ghost-Fleet-A-Novel-of-the-Next-World-War-by-P-W-Singer.pdf
    • http://cefasfese.4pu.com/2736730738730733/These-Things-Happen-by-Greg-Fleet.pdf
    • http://cefasfese.4pu.com/1737735733738734/The-Secret-to-Letting-Go-by-Katherine-Fleet.pdf
    • http://cefasfese.4pu.com/3733733735737738/The-Glass-House-by-Suki-Fleet.pdf
    • http://cefasfese.4pu.com/3739736733732738/Fleet-Hospital-by-Anne-Marie-Duquette.pdf
    • http://cefasfese.4pu.com/3735730732736739/The-Fleet-Street-Murders-by-Charles-Finch.pdf
    • http://cefasfese.4pu.com/2738735736736/Natalie-s-Art-Frank-Renzi-5-by-Susan-Fleet.pdf
    • http://cefasfese.4pu.com/3738735733730/Dauntless-The-Lost-Fleet-1-by-Jack-Campbell.pdf

Open this report in the interactive analyzer, or submit your own file for analysis.