Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f230252a0547aaf…

MALICIOUS

PDF

21.8 KB Created: 2020-03-16 23:41:09 +00:00 Authoring application: mPDF 5.7
MD5: e2974fd1f159a9ff1ee6e6c98dbb10d8 SHA-1: a366e380b5dc5c080f115558993302fbd1d62daa SHA-256: 9f230252a0547aafd577a51684675075042fc04f94c7d564ad7276b7cca89817
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified as a link farm. The primary heuristic indicates this is likely for SEO manipulation or to redirect users to potentially malicious content hosted on 'calistazz.myhome.cx'. While no scripts were extracted, the sheer volume of links and the ML classifier's high confidence suggest a malicious intent to distribute or lure users to external resources.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9903

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://calistazz.myhome.cx/1861860869860860868/Arthur-Schopenhauer-The-World-as-Will-and-Idea-by-Irwin-Edman.pdf
    • http://calistazz.myhome.cx/1861860868869863862/The-Philosophy-of-Schopenhauer-by-Arthur-Schopenhauer.pdf
    • http://calistazz.myhome.cx/3860862860868861/The-Hunger-Games-and-Philosophy-A-Critique-of-Pure-Treason-by-William-Irwin.pdf
    • http://calistazz.myhome.cx/1861860868867869864/The-Essential-Schopenhauer-Essays-amp-Selections-from-The-World-as-Will-amp-Representation-by-Arthur-Schopenhauer.pdf
    • http://calistazz.myhome.cx/1861860868867863866/Essays-of-Schopenhauer-by-Arthur-Schopenhauer.pdf
    • http://calistazz.myhome.cx/3866864867868869/The-Crocodile-Hunter-The-Incredible-Life-and-Adventures-of-Steve-and-Terri-Irwin-by-Steve-Irwin.pdf
    • http://calistazz.myhome.cx/6865863864861869/Introduction-to-the-Philosophy-of-History-with-Selections-from-The-Philosophy-of-Right-by-Georg-Wilhelm-Friedrich-Hegel.pdf
    • http://calistazz.myhome.cx/9860864865860862/Lectures-on-the-History-of-Philosophy-1-Greek-Philosophy-to-Plato-by-Georg-Wilhelm-Friedrich-Hegel.pdf
    • http://calistazz.myhome.cx/8864861861861864/Kierkegaard-s-Influence-on-Philosophy-Francophone-Philosophy-by-Jon-Stewart.pdf
    • http://calistazz.myhome.cx/3869867860866865/Unmodern-Philosophy-and-Modern-Philosophy-by-John-Dewey.pdf
    • http://calistazz.myhome.cx/7868866868861866/John-Duns-Scotus-1265-6-1308-Renewal-of-Philosophy-Acts-of-the-Third-Symposium-Organized-by-the-Dutch-Society-for-Medieval-Philosophy-Medium-Aevum-by-Egbert-P-Bos.pdf
    • http://calistazz.myhome.cx/4861864867860861/The-Philosophy-of-Cognitive-Behavioural-Therapy-Stoic-Philosophy-as-Rational-and-Cognitive-Psychotherapy-by-Donald-J-Robertson.pdf
    • http://calistazz.myhome.cx/1861864867864864862/The-Human-Embrace-The-Love-of-Philosophy-and-the-Philosophy-of-Love-Kierkegaard-Cavell-Nussbaum-by-Ronald-L-Hall.pdf
    • http://calistazz.myhome.cx/1861860868869862865/Schopenhauer-by-Thomas-Mann.pdf
    • http://calistazz.myhome.cx/1861860868868865864/A-Guide-to-Schopenhauer-by-Will-Durant.pdf
    • http://calistazz.myhome.cx/1861860869860860865/On-Schopenhauer-by-S-Jack-Odell.pdf
    • http://calistazz.myhome.cx/6861863860867/Stolen-Legacy-Greek-Philosophy-is-Stolen-Egyptian-Philosophy-by-George-G-M-James.pdf
    • http://calistazz.myhome.cx/8868861868864869/Aphorismen-zur-Lebensweisheit-by-Arthur-Schopenhauer.pdf
    • http://calistazz.myhome.cx/1861860868867868861/Essay-on-the-Freedom-of-the-Will-by-Arthur-Schopenhauer.pdf
    • http://calistazz.myhome.cx/8865864869863/The-World-as-Will-and-Representation-Vol-2-by-Arthur-Schopenhauer.pdf
    • http://calistazz.myhome.cx/6865863864861869/Introduction-to-the

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