Malicious PDF — malware analysis report

Static analysis result for SHA-256 572691c0a3756731…

MALICIOUS

PDF

29.5 KB Created: 2020-03-20 12:34:39 +00:00 Authoring application: mPDF 5.7
MD5: a57176efd2d188cacfd31a79771040b6 SHA-1: 35ea3d1bf3fc2831efbe88031924d9380f5b424d SHA-256: 572691c0a37567311447042fb48f1302c3cf6246d37d80cfbf9ca7590ef02c29
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDFs hosted on the domain 'ieuicufioao.myhome.cx'. This is indicative of a link farm, likely used for SEO poisoning or to distribute further 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 0.9670

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/5551554554559554/The-Tribe-of-Black-Ulysses-African-American-Lumber-Workers-in-the-Jim-Crow-South-by-William-P-Jones.pdf
    • http://ieuicufioao.myhome.cx/1557552558559554/Upbuilding-Black-Durham-Gender-Class-and-Black-Community-Development-in-the-Jim-Crow-South-by-Leslie-Brown.pdf
    • http://ieuicufioao.myhome.cx/4553556558552552/Black-South-African-Women-An-Anthology-of-Plays-by-Kathy-A-Perkins.pdf
    • http://ieuicufioao.myhome.cx/1551553551554557556/The-Black-Church-in-the-African-American-Experience-by-C-Eric-Lincoln.pdf
    • http://ieuicufioao.myhome.cx/3552559556551/African-American-Writers-and-Classical-Tradition-by-William-W-Cook.pdf
    • http://ieuicufioao.myhome.cx/8558559552557/Black-Profiles-in-Courage-A-Legacy-of-African-American-Achievement-by-Kareem-Abdul-Jabbar.pdf
    • http://ieuicufioao.myhome.cx/3552554553553/F-B-Eyes-How-J-Edgar-Hoover-s-Ghostreaders-Framed-African-American-Literature-by-William-J-Maxwell.pdf
    • http://ieuicufioao.myhome.cx/1550556551557559/No-Place-Like-Home-A-Black-Briton-s-Journey-Through-the-American-South-by-Gary-Younge.pdf
    • http://ieuicufioao.myhome.cx/5550559551558556/The-African-American-Encounter-with-Japan-and-China-Black-Internationalism-in-Asia-1895-1945-by-Marc-S-Gallicchio.pdf
    • http://ieuicufioao.myhome.cx/5558552557559558/Beyond-Stereotypes-in-Black-and-White-How-Everyday-Leaders-Can-Build-Healthier-Opportunities-for-African-American-Boys-and-Men-by-Henrie-Treadwell.pdf
    • http://ieuicufioao.myhome.cx/4559551558551550/Three-African-American-Classics-Up-from-Slavery-The-Souls-of-Black-Folk-Narrative-of-the-Life-of-Frederick-Douglass-by-Booker-T-Washington.pdf
    • http://ieuicufioao.myhome.cx/5551555555559551/Black-Arts-Movement-John-Hope-Franklin-Series-in-African-American-History-and-Culture-by-James-Edward-Smethurst.pdf
    • http://ieuicufioao.myhome.cx/3558555557551552/A-Grand-Army-of-Black-Men-Letters-from-African-American-Soldiers-in-the-Union-Army-1861-1865-by-Edwin-S-Redkey.pdf
    • http://ieuicufioao.myhome.cx/4557551556557559/Cooking-in-Other-Women-s-Kitchens-Domestic-Workers-in-the-South-1865-1960-by-Rebecca-Sharpless.pdf
    • http://ieuicufioao.myhome.cx/4553557552559555/White-Cat-Curse-Workers-1-by-Holly-Black.pdf
    • http://ieuicufioao.myhome.cx/7550551557557/Red-Glove-Curse-Workers-2-by-Holly-Black.pdf
    • http://ieuicufioao.myhome.cx/1550557554550554552/African-American-Folksong-and-American-Cultural-Politics-The-Lawrence-Gellert-Story-by-Bruce-M-Conforth.pdf
    • http://ieuicufioao.myhome.cx/5550559559553553/A-World-More-Concrete-Real-Estate-and-the-Remaking-of-Jim-Crow-South-Florida-by-N-D-B-Connolly.pdf
    • http://ieuicufioao.myhome.cx/9551559550558/The-Last-Darky-Bert-Williams-Black-on-Black-Minstrelsy-and-the-African-Diaspora-by-Louis-Chude-Sokei.pdf
    • http://ieuicufioao.myhome.cx/5551550558558559/Workers-Health-Workers-Democracy-The-Western-Miners-Struggle-1891-1925-by-Alan-Derickson.pdf
    • http://ieuicufioao.myhome.cx/8558559552557/Black-Profiles-in-Courage-A-Legacy-of-African-American-Achievem

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