Malicious PDF — malware analysis report

Static analysis result for SHA-256 88c3bfdab311bd56…

MALICIOUS

PDF

17.6 KB Created: 2020-03-21 10:15:37 +00:00 Authoring application: mPDF 5.7
MD5: 318e5d789f7f771a6ee54e33638408fb SHA-1: 684d1da54966797d482f4bd58f00dea75c29e45e SHA-256: 88c3bfdab311bd56df2fb309705cc7af7f3e27bb5b8000b24a0e8ca651cb0758
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF file contains a large number of embedded links to external PDF files hosted on the domain 'ieuicufioao.myhome.cx'. The heuristic 'PDF_SEO_LINK_FARM' indicates this is a link farm, suggesting a tactic to manipulate search engine results or distribute 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 0.9925

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/1550555553558551552/Batman-in-The-Brave-amp-the-Bold-The-Bronze-Age-Vol-1-The-Brave-and-the-Bold-1955-1983-by-Bob-Haney.pdf
    • http://ieuicufioao.myhome.cx/8550559556553557/The-Brave-and-the-Bold-1955-1983-152-by-Bob-Haney.pdf
    • http://ieuicufioao.myhome.cx/8550559556554553/The-Brave-and-the-Bold-1955-1983-158-by-Gerry-Conway.pdf
    • http://ieuicufioao.myhome.cx/8550559556559550/The-Brave-and-the-Bold-1955-1983-143-by-Cary-Burkett.pdf
    • http://ieuicufioao.myhome.cx/8550559556554557/The-Brave-and-the-Bold-1955-1983-156-by-Cary-Burkett.pdf
    • http://ieuicufioao.myhome.cx/1550555553556553556/Showcase-Presents-The-Brave-and-the-Bold-The-Batman-Team-Ups-Vol-2-by-Bob-Haney.pdf
    • http://ieuicufioao.myhome.cx/3550558551558552/Batman-The-Brave-and-the-Bold-by-Matt-Wayne.pdf
    • http://ieuicufioao.myhome.cx/9553552551555555/The-All-New-Batman-The-Brave-and-the-Bold-Small-Miracles-by-Sholly-Fisch.pdf
    • http://ieuicufioao.myhome.cx/4554553552552550/The-Brave-and-the-Bold-Lords-of-Luck-v-1-by-Mark-Waid.pdf
    • http://ieuicufioao.myhome.cx/8554553553556/Bold-Land-Bold-Love-Australian-Trilogy-1-by-Connie-Mason.pdf
    • http://ieuicufioao.myhome.cx/1558554553557552/Junior-Braves-of-the-Apocalypse-Volume-1-A-Brave-is-Brave-1-by-Greg-Smith.pdf
    • http://ieuicufioao.myhome.cx/8555556555553554/Malala-a-Brave-Girl-from-Pakistan-Iqbal-a-Brave-Boy-from-Pakistan-Two-Stories-of-Bravery-by-Jeanette-Winter.pdf
    • http://ieuicufioao.myhome.cx/7557555550552558/Brave-New-World-And-Brave-New-World-Revisited-Coles-Notes-by-Aldous-Huxley.pdf
    • http://ieuicufioao.myhome.cx/1550557552550553/Bold-as-Love-Bold-as-Love-1-by-Gwyneth-Jones.pdf
    • http://ieuicufioao.myhome.cx/1551550553554556/Brave-New-Girls-Tales-of-Girls-and-Gadgets-Brave-New-Girls-1-by-Paige-Daniels.pdf
    • http://ieuicufioao.myhome.cx/2556554553550559/Bold-by-Julia-Swift.pdf
    • http://ieuicufioao.myhome.cx/3559557558552555/Burned-Bold-and-Brazen-by-Cathryn-Fox.pdf
    • http://ieuicufioao.myhome.cx/8553553556557/I-m-Yours-Bold-As-Love-2-by-Lindsay-Paige.pdf
    • http://ieuicufioao.myhome.cx/8559555552554550/Ein-Kuss-in-den-Highlands-by-Emily-Bold.pdf
    • http://ieuicufioao.myhome.cx/3550553555554553/The-Sagas-of-Fridthjof-the-Bold-by-Ben-Waggoner.pdf
    • http://ieuicufioao.myhome.cx/8

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