Malicious PDF — malware analysis report

Static analysis result for SHA-256 0bf04011a26a65a0…

MALICIOUS

PDF

23.4 KB Created: 2019-04-30 07:46:14 +01:00 Authoring application: mPDF 5.7
MD5: c5b0001651d995675cdf35e7d873685e SHA-1: 896cbc7723262026dce85360764a6065dda74584 SHA-256: 0bf04011a26a65a0cc507238ac16d50edca8ddb670b19eb45447bc38d484beb3
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, identified as a link farm. This technique is often used to distribute malicious content or to manipulate search engine rankings. The ML classifier also flagged this PDF as malicious, supporting the suspicious nature of the embedded links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9784

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/7734735736735738/The-Year-of-the-Revolutionary-New-Bread-making-Machine-by-Hassan-Daoud.pdf
    • http://cefasfese.4pu.com/7734735737731733/As-She-Once-Was-by-Hassan-Daoud.pdf
    • http://cefasfese.4pu.com/3731730737734736/Bread-Machine-Magic-138-Exciting-Recipes-Created-Especially-for-Use-in-All-Types-of-Bread-Machines-by-Linda-Rehberg.pdf
    • http://cefasfese.4pu.com/7739734733733738/Entrees-from-Your-Bread-Machine-by-Donna-R-German.pdf
    • http://cefasfese.4pu.com/3730739736737736/Now-You-re-Cookin-Bread-Machine-by-Rebo-International.pdf
    • http://cefasfese.4pu.com/3731730737733739/More-Bread-Machine-Magic-by-Linda-Rehberg.pdf
    • http://cefasfese.4pu.com/3731730737735735/Best-Bread-Machine-Recipes-For-1-1-2-and-2-Pound-Loaves-by-Jennifer-Darling.pdf
    • http://cefasfese.4pu.com/7736733734739734/Hassan-The-Story-of-Hassan-of-Bagdad-by-Elroy-Flecker.pdf
    • http://cefasfese.4pu.com/9739733737738736/1963-A-Slice-of-Bread-and-Jam-One-boy-s-year-of-adventure-crippling-poverty-abuse-and-an-encounter-with-The-Moors-Murderers-by-Tommy-Rhattigan.pdf
    • http://cefasfese.4pu.com/3730737735739732/The-Farmer-s-Cookbook-A-Back-to-Basics-Guide-to-Making-Cheese-Curing-Meat-Preserving-Produce-Baking-Bread-Fermenting-and-More-by-Marie-W-Lawrence.pdf
    • http://cefasfese.4pu.com/4732733737739739/The-Bread-Baker-s-Apprentice-Mastering-the-Art-of-Extraordinary-Bread-by-Peter-Reinhart.pdf
    • http://cefasfese.4pu.com/1731737738736731731/Complete-Book-Bread-amp-Bread-Mach-by-Christine-Ingram.pdf
    • http://cefasfese.4pu.com/5730730737735730/Eighth-Grade-Is-Making-Me-Sick-Ginny-Davis-s-Year-In-Stuff-by-Jennifer-L-Holm.pdf
    • http://cefasfese.4pu.com/2738737733736733/Machine-Metal-Magic-Mind-Machine-1-by-Hanna-Dare.pdf
    • http://cefasfese.4pu.com/1736732734739732/How-To-Marry-Mr-Rich-quot-How-To-Find-A-Single-Man-Who-Is-Making-150-000-00-PLUS-A-Year-quot-by-Melody-Summers.pdf
    • http://cefasfese.4pu.com/9736737732733739/Soap-Making-How-to-Make-Hand-Soap-in-Your-House-Like-a-Pro-Soap-Making-Soap-Making-Book-Soap-Making-Guide-Soap-Making-Recipes-How-to-Make-Soap-by-Melani-Penn.pdf
    • http://cefasfese.4pu.com/7732737731732732/Elegant-Machine-Quilting-Innovative-Heirloom-Quilting-Using-Any-Sewing-Machine-by-Joanie-Zeier-Poole.pdf
    • http://cefasfese.4pu.com/5738733738738731/Sex-Machine-Sex-Machine-1-by-Marie-Force.pdf
    • http://cefasfese.4pu.com/7734735738736738/Amr-by-Amr-Daoud.pdf
    • http://cefasfese.4pu.com/1735734732738734/Machine-of-Death-A-Collection-of-Stories-About-People-Who-Know-How-They-Will-Die-Machine-of-Death-1-by-Ryan-North.pdf