Malicious PDF — malware analysis report

Static analysis result for SHA-256 05ab2477ccd5d92a…

MALICIOUS

PDF

21.1 KB Created: 2020-03-19 03:49:05 +00:00 Authoring application: mPDF 5.7
MD5: 71d0593291dee61769d145a8308e6ff0 SHA-1: 4be161765d3113f231a7fd7e062c78ea333fbb4f SHA-256: 05ab2477ccd5d92a7b33dd610a1112327b434b30f91351e36570d71903e7546c
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to a single domain, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious. The embedded URLs likely serve to manipulate search engine results or direct users to potentially malicious content, rather than providing legitimate document content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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://laoieoa.myhome.cx/9c03c06c03c06c07/General-Agreement-on-Tariffs-and-Trade-Legal-System-and-Trade-Diplomacy-by-Robert-E-Hudec.pdf
    • http://laoieoa.myhome.cx/9c03c06c03c07c03/Fair-Trade-and-Harmonization-Prerequisites-for-Free-Trade-by-Hudec-Robert-E-Bhagwati-Jagdish-N.pdf
    • http://laoieoa.myhome.cx/9c03c06c03c02c04/The-Political-Economy-of-International-Trade-Law-Essays-in-Honor-of-Robert-E-Hudec-by-Daniel-L-M-Kennedy.pdf
    • http://laoieoa.myhome.cx/9c04c07c02c01c05/Does-a-Regional-Trade-Agreement-Lessen-or-Exacerbate-Growth-Volatility-an-Empirical-Investigation-by-Kangni-Kpodar.pdf
    • http://laoieoa.myhome.cx/6c07c09c00c07c03/An-Apec-Trade-Agenda-The-Political-Economy-Of-A-Free-Trade-Area-Of-The-Asia-Pacific-by-Eduardo-Pedrosa.pdf
    • http://laoieoa.myhome.cx/9c07c06c06c05c00/Flexible-Exchange-Rates-and-International-Trade-Swiss-Foreign-Trade-in-a-Changing-Monetary-Environment-1968-1975-by-Josef-Hunkeler.pdf
    • http://laoieoa.myhome.cx/2c01c01c02c01c04/Chinook-A-History-and-Dictionary-of-the-Northwest-Coast-Trade-Jargon-The-Centuries-Old-Trade-Language-of-the-Indians-of-the-Pacific-a-History-of-It-by-Edward-H-Thomas.pdf
    • http://laoieoa.myhome.cx/9c07c00c06c01/The-Trade-by-Fred-Stenson.pdf
    • http://laoieoa.myhome.cx/1c06c02c06c02c03/Dangerous-Trade-by-Ned-Stevens.pdf
    • http://laoieoa.myhome.cx/5c00c00c09c03c09/Trade-Wind-by-M-M-Kaye.pdf
    • http://laoieoa.myhome.cx/6c09c02c04c09c09/The-Tricks-of-the-Trade-by-Dario-Fo.pdf
    • http://laoieoa.myhome.cx/2c04c03c09c02c01/The-Last-Trade-by-James-Conway.pdf
    • http://laoieoa.myhome.cx/5c01c03c07c08/The-Trade-Off-by-Louise-Maniscalco.pdf
    • http://laoieoa.myhome.cx/3c06c04c04c08c06/I-ll-Trade-You-an-Elk-by-Charles-A-Goodrum.pdf
    • http://laoieoa.myhome.cx/2c09c06c09c02c09/A-Trade-for-Better-by-Bria-Daly.pdf
    • http://laoieoa.myhome.cx/9c09c07c08c06c09/Trade-Secrets-by-Ray-Garton.pdf
    • http://laoieoa.myhome.cx/4c04c08c00c03c03/A-Fair-Trade-by-B-A-Tortuga.pdf
    • http://laoieoa.myhome.cx/2c05c09c02c00/Skin-Trade-by-George-R-R-Martin.pdf
    • http://laoieoa.myhome.cx/1c07c05c08c09c02/A-Dark-Trade-by-Mary-Hooper.pdf
    • http://laoieoa.myhome.cx/1c03c08c04c05c07/Free-to-Trade-by-Michael-Ridpath.pdf

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