Malicious PDF — malware analysis report

Static analysis result for SHA-256 5c861594edfe7cd0…

MALICIOUS

PDF

17.3 KB Created: 2020-03-13 23:02:35 +00:00 Authoring application: mPDF 5.7
MD5: 56228a2cc7bed1ec1494946402208dcc SHA-1: d7e71911b41fbedc8de0e99c59c640f4d9a25545 SHA-256: 5c861594edfe7cd00c753d8306dca4addcf36b5768ea3dd028c848c371ca61d4
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO poisoning or to distribute malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were directly extracted, the structure and embedded URLs suggest an attempt to redirect the user to potentially harmful content, likely initiated via a phishing email.

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://ieuicufioao.myhome.cx/3556558555558552/The-Barbed-Rose-One-Rose-Trilogy-2-by-Gail-Dayton.pdf
    • http://ieuicufioao.myhome.cx/8551553551554/The-Compass-Rose-One-Rose-Trilogy-1-by-Gail-Dayton.pdf
    • http://ieuicufioao.myhome.cx/2554551558550552/High-Spirited-Rose-Is-Rose-A-Collection-Of-Rose-Is-Rose-Comics-by-Pat-Brady.pdf
    • http://ieuicufioao.myhome.cx/1557556556550553/Death-of-a-Black-Rose-The-Rose-Trilogy-3-by-Tish-Thawer.pdf
    • http://ieuicufioao.myhome.cx/1554554559552557/The-Clayborne-Brides-One-Pink-Rose-One-White-Rose-One-Red-Rose-by-Julie-Garwood.pdf
    • http://ieuicufioao.myhome.cx/4555555559553557/The-Rose-of-York-Crown-of-Destiny-The-Rose-of-York-Trilogy-2-by-Sandra-Worth.pdf
    • http://ieuicufioao.myhome.cx/4558550557555550/Rose-and-Helena-Save-Christmas-Ghost-in-Law-6-5-Rose-Gardner-Mystery-6-4-by-Denise-Grover-Swank.pdf
    • http://ieuicufioao.myhome.cx/3557551553555558/American-Rose-A-Nation-Laid-Bare-The-Life-and-Times-of-Gypsy-Rose-Lee-by-Karen-Abbott.pdf
    • http://ieuicufioao.myhome.cx/8559550555559/Rose-and-the-Lost-Princess-Rose-2-by-Holly-Webb.pdf
    • http://ieuicufioao.myhome.cx/1557551558554558/Red-Rose-Blood-Deadly-Rose-1-by-Michael-Kudo.pdf
    • http://ieuicufioao.myhome.cx/3550557555557558/Rose-s-Heavenly-Cakes-by-Rose-Levy-Beranbaum.pdf
    • http://ieuicufioao.myhome.cx/4556559556554558/Tending-to-Rose-Rose-and-Thorne-2-by-Sean-Michael.pdf
    • http://ieuicufioao.myhome.cx/3555553552555554/The-New-Du-Rose-Matriarch-The-Hana-Du-Rose-Mysteries-4-by-K-T-Bowes.pdf
    • http://ieuicufioao.myhome.cx/3552558552557558/Knight-In-Black-Leather-by-Gail-Dayton.pdf
    • http://ieuicufioao.myhome.cx/2557551551554555/The-Wild-Rose-The-Tea-Rose-3-by-Jennifer-Donnelly.pdf
    • http://ieuicufioao.myhome.cx/2551556551550550/The-Serpent-and-the-Rose-War-of-the-Rose-1-by-Kathleen-Bryan.pdf
    • http://ieuicufioao.myhome.cx/1556559552555556/One-White-Rose-Rose-3-by-Julie-Garwood.pdf
    • http://ieuicufioao.myhome.cx/1553550556554/Rose-Red-Rose-White-by-Marianne-Willman.pdf
    • http://ieuicufioao.myhome.cx/1550558556552552555/Almost-a-Lady-Rose-Trilogy-3-by-Heidi-Betts.pdf
    • http://ieuicufioao.myhome.cx/1555557555556559/Rose-of-the-Prophet-Trilogy-by-Margaret-Weis.pdf

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