Malicious PDF — malware analysis report

Static analysis result for SHA-256 8daaeef5447fcc08…

MALICIOUS

PDF

17.1 KB Created: 2019-05-07 03:32:58 +01:00 Authoring application: mPDF 5.7
MD5: 7aa9c2e243c4c7d2b01594e607cea04a SHA-1: 553cac05db638dfa236a9491ae4d5988f733809b SHA-256: 8daaeef5447fcc08c31c4a1afe5f5d3027951ea1f7529066c17e6d288fe06f6f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were extracted, the sheer volume of links suggests a malicious intent to redirect users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9787

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://muicuiu.dumb1.com/5a08a07a03a05a08/Moonlit-Shadows-Taken-Moonlit-Shadows-Series-Book-1-by-Shawna-Gautier.pdf
    • http://muicuiu.dumb1.com/4a04a09a01a05/Shadows-on-the-Moon-The-Moonlit-Lands-1-by-Zo-Marriott.pdf
    • http://muicuiu.dumb1.com/2a03a02a05a01a08/Wildwood-Moonlit-3-by-Jadie-Jones.pdf
    • http://muicuiu.dumb1.com/4a02a07a09a06a00/Be-My-Alien-Moonlit-Skies-1-by-M-A-Church.pdf
    • http://muicuiu.dumb1.com/2a06a03a02/The-Moonlit-Garden-by-Corina-Bomann.pdf
    • http://muicuiu.dumb1.com/9a07a03a08a07a03/Moonlit-Desire-by-Carolann-Camillo.pdf
    • http://muicuiu.dumb1.com/4a05a06a08a09a01/Reno-and-Trina-In-the-Shadows-of-Love-Romancing-The-Mob-Boss-Series-Book-12-by-Mallory-Monroe.pdf
    • http://muicuiu.dumb1.com/1a01a08a02a04a03a01/Living-in-the-Shadows-The-Foundling-s-Path---Part-1-Linmore-Series-Book-4-by-Jemima-Brigges.pdf
    • http://muicuiu.dumb1.com/5a06a05a00a09a06/Edmond-The-Moonlit-Party-by-Astrid-Desbordes.pdf
    • http://muicuiu.dumb1.com/5a00a05a02a03a07/A-Moonlit-Serenade-Seattle-Sound-8-by-Alexa-Padgett.pdf
    • http://muicuiu.dumb1.com/3a04a09a00a04a05/Once-Upon-a-Moonlit-Night-Maiden-Lane-10-5-by-Elizabeth-Hoyt.pdf
    • http://muicuiu.dumb1.com/1a07a07a05a08a05/Whispers-in-the-Wind-Moonlit-Wings-5-by-Beth-Gualda.pdf
    • http://muicuiu.dumb1.com/1a02a09a04a04a00/Guardians-and-Graves-Moonlit-Wings-2-by-Beth-Gualda.pdf
    • http://muicuiu.dumb1.com/5a00a00a08a07a00/Sunny-Days-Moonlit-Nights-Moonlight-1-by-Jean-C-Joachim.pdf
    • http://muicuiu.dumb1.com/1a02a07a09a07a05/Stealing-Shadows-Bishop-Special-Crimes-Unit-1-Shadows-1-by-Kay-Hooper.pdf
    • http://muicuiu.dumb1.com/4a08a05a05a09/Out-of-the-Shadows-Bishop-Special-Crimes-Unit-3-Shadows-3-by-Kay-Hooper.pdf
    • http://muicuiu.dumb1.com/3a00a03a04a03a02/Secrets-in-the-Shadows-Shadows-Collection-Leroy-s-Sins-1-by-T-L-Haddix.pdf
    • http://muicuiu.dumb1.com/2a04a03a07a05a00/Tracking-Shadows-Shadows-of-Justice-4-by-Regan-Black.pdf
    • http://muicuiu.dumb1.com/4a01a04a02a05a02/Shadows-of-the-Heart-Shadows-in-the-Dark-1-4-by-Leah-Diane.pdf
    • http://muicuiu.dumb1.com/5a02a07a08a04a06/Shadows-The-Depiction-of-Cast-Shadows-in-Western-Art-by-E-H-Gombrich.pdf
    • http://muicuiu.dumb1.com/5a06a05a00a09a06/Edmond-The-Moonlit-Party-by-Astrid-

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