Malicious PDF — malware analysis report

Static analysis result for SHA-256 416ac59b1eae9463…

MALICIOUS

PDF

16.9 KB Created: 2020-03-15 22:22:50 +00:00 Authoring application: mPDF 5.7
MD5: cbb4cf82afc1806351de8d8fb14c6854 SHA-1: 82e5e9ecbaeadb814c29a631f06a9f1269610cb4 SHA-256: 416ac59b1eae9463a7d986770dca4fbaa96bfff23bf54bcb17a669d7db0dbe29
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to a single domain, indicating a link farm or a distribution point for malicious content. The ML classifier strongly supports the malicious verdict. No scripts were extracted, but the PDF structure and embedded URLs suggest a social engineering attack to redirect users to potentially harmful content.

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://owlaokopdf.myhome.cx/38168816581638162/The-Maleficent-Seven-From-the-World-of-Skulduggery-Pleasant-Skulduggery-Pleasant-7-5-by-Derek-Landy.pdf
    • http://owlaokopdf.myhome.cx/1816081648166816081638164/Skulduggery-Pleasant-Pack-6-books-RRP-41-94-Death-Bringer-Mortal-Coil-Skulduggery-Pleasant-Dark-Days-Playing-With-Fire-Faceless-Ones-by-Derek-Landy.pdf
    • http://owlaokopdf.myhome.cx/481668160816481618162/Tanith-Low-in-the-Maleficent-Seven-Skulduggery-Pleasant-7-5-by-Derek-Landy.pdf
    • http://owlaokopdf.myhome.cx/48163816081618167/Skulduggery-Pleasant-Skulduggery-Pleasant-1-by-Derek-Landy.pdf
    • http://owlaokopdf.myhome.cx/1816081648165816881678169/Skulduggery-Pleasant-4-6-Skulduggery-Pleasant-4-6-by-Derek-Landy.pdf
    • http://owlaokopdf.myhome.cx/28167816781628164/Skulduggery-Pleasant-Skulduggery-Pleasant-1-by-Derek-Landy.pdf
    • http://owlaokopdf.myhome.cx/181648161816781658168/Skulduggery-Pleasant-Skulduggery-Pleasant-1-by-Derek-Landy.pdf
    • http://owlaokopdf.myhome.cx/1816081648165816881618165/Skulduggery-Pleasant-1-2-Skulduggery-Pleasant-1-2-by-Derek-Landy.pdf
    • http://owlaokopdf.myhome.cx/58163816281628168/Skulduggery-Pleasant-Skulduggery-Pleasant-1-by-Derek-Landy.pdf
    • http://owlaokopdf.myhome.cx/1816081648165816881688165/Skulduggery-Pleasant-1-9-by-Derek-Landy.pdf
    • http://owlaokopdf.myhome.cx/281608169816581648165/Skulduggery-Pleasant-by-Derek-Landy.pdf
    • http://owlaokopdf.myhome.cx/281608167816981658160/Resurrection-Skulduggery-Pleasant-10-by-Derek-Landy.pdf
    • http://owlaokopdf.myhome.cx/381658164816581678163/Midnight-Skulduggery-Pleasant-11-by-Derek-Landy.pdf
    • http://owlaokopdf.myhome.cx/281658168816781688167/The-Faceless-Ones-Skulduggery-Pleasant-3-by-Derek-Landy.pdf
    • http://owlaokopdf.myhome.cx/381608163816781688168/Mortal-Coil-Skulduggery-Pleasant-5-by-Derek-Landy.pdf
    • http://owlaokopdf.myhome.cx/281648160816481648167/Playing-with-Fire-Skulduggery-Pleasant-2-by-Derek-Landy.pdf
    • http://owlaokopdf.myhome.cx/38164816981628162/Mortal-Coil-Skulduggery-Pleasant-5-by-Derek-Landy.pdf
    • http://owlaokopdf.myhome.cx/48165816281608163/Armageddon-Outta-Here-Skulduggery-Pleasant-8-5-by-Derek-Landy.pdf
    • http://owlaokopdf.myhome.cx/38164816081658168/Playing-with-Fire-Skulduggery-Pleasant-2-by-Derek-Landy.pdf
    • http://owlaokopdf.myhome.cx/38161816881648165/Death-Bringer-Skulduggery-Pleasant-6-by-Derek-Landy.pdf
    • http://owlaokopdf.myhome.cx/18160816481658168

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