Malicious PDF — malware analysis report

Static analysis result for SHA-256 c941b8276947852b…

MALICIOUS

PDF

17.9 KB Created: 2020-03-20 13:31:27 +00:00 Authoring application: mPDF 5.7
MD5: d6a58dd3756f0ae5b2dee33dbbf68fcf SHA-1: ed6de049afef6864f38226b96f4309dcdbd68a53 SHA-256: c941b8276947852b545e5b77db95c0d410ef8295965207c3cc3cf76aa0641501
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to external PDF documents on the domain easckaolp.myhome.cx. This behavior is indicative of a link farm or a redirection scheme designed to lead users to potentially malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9788

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://easckaolp.myhome.cx/4845848848840843/Tried-Tested-amp-Being-Approved-The-Ernie-Berry-Story-by-Ernie-Berry.pdf
    • http://easckaolp.myhome.cx/3848843843845847/Here-is-Your-War-by-Ernie-Pyle.pdf
    • http://easckaolp.myhome.cx/5840845840842842/The-Light-Through-the-Water-by-Ernie-Howard.pdf
    • http://easckaolp.myhome.cx/1841846845845843849/Judas-Warchild-2-by-Ernie-Lindsey.pdf
    • http://easckaolp.myhome.cx/8841843847842843/Marmaduke-Mouse-1-by-Ernie-Hart.pdf
    • http://easckaolp.myhome.cx/6843843845845840/The-Express-The-Ernie-Davis-Story-by-Robert-C-Gallagher.pdf
    • http://easckaolp.myhome.cx/3848845842849842/Ernie-Pyle-s-War-America-s-Eyewitness-to-World-War-II-by-James-Tobin.pdf
    • http://easckaolp.myhome.cx/3843844842840843/Unscripted-The-Unpredictable-Moments-That-Make-Life-Extraordinary-by-Ernie-Johnson-Jr-.pdf
    • http://easckaolp.myhome.cx/2842847845846845/The-Chronicles-of-Narnia-Prince-Caspian-The-Official-Illustrated-Movie-Companion-by-Ernie-Malik.pdf
    • http://easckaolp.myhome.cx/1849842847844840/Nancy-s-Mysterious-Letter-Nancy-Drew-8-by-Carolyn-Keene.pdf
    • http://easckaolp.myhome.cx/1840840845841848840/A-Horn-for-Nancy-by-Nancy-Ellen-Holt.pdf
    • http://easckaolp.myhome.cx/3848849849841846/Sara-s-Game-Sara-Winthrop-1-by-Ernie-Lindsey.pdf
    • http://easckaolp.myhome.cx/6849843849841846/Nancy-Huston-Coffret-en-3-volumes-Lignes-de-faille-Dolce-agonia-L-empreinte-de-l-ange-by-Nancy-Huston.pdf
    • http://easckaolp.myhome.cx/1842841846841847/The-Summer-I-Learned-to-Fly-by-Dana-Reinhardt.pdf
    • http://easckaolp.myhome.cx/1849845845841845/Truths-I-Learned-from-Sam-by-Kristin-Butcher.pdf
    • http://easckaolp.myhome.cx/2842842847846840/All-I-Really-Need-to-Know-I-Learned-in-Kindergarten-by-Robert-Fulghum.pdf
    • http://easckaolp.myhome.cx/5845846849843840/On-Becoming-His---Lessons-Learned-by-Cassandre-Dayne.pdf
    • http://easckaolp.myhome.cx/5846847840845849/wife-Lessons-learned-vo-tui-15t-by-Adam-Cuong.pdf
    • http://easckaolp.myhome.cx/1841840846849842/Lessons-I-Never-Learned-At-Meadowbrook-Academy-by-Liz-Maccie.pdf
    • http://easckaolp.myhome.cx/5840841848849848/Don-t-Know-Much-About-Geography-Everything-You-Need-to-Know-About-the-World-but-Never-Learned-by-Kenneth-C-Davis.pdf
    • http://easckaolp.myhome.cx/284

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