Malicious PDF — malware analysis report

Static analysis result for SHA-256 a2b310a12ccfcc04…

MALICIOUS

PDF

12.3 KB Created: 2015-07-15 05:49:04 +04:00 Authoring application: DOMPDF
MD5: 49709ed0500148e4a26272dd89838514 SHA-1: 255fb738d9a07d598f05e5a341d31a88e651419a SHA-256: a2b310a12ccfcc04c5758272bd14476c0b96e345cc0098a15457c0bff89a5392
90 Risk Score

Malware Insights

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

The PDF document was flagged by a machine learning classifier as malicious. Static analysis revealed a large number of embedded URLs, indicating a link farm or redirection scheme. The document body contains text related to binary options trading, suggesting a potential financial scam lure. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8995

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://primetimerecords.com/index.php?article=9.1&cvsqx=1&pdf=9
    • http://phillipsandcoinc.com/index.php?article=761.1&sxlyu=1&pdf=761
    • http://turismoarteixo.com/index.php?article=1497.4&xcanf=4&pdf=1497
    • http://primetimerecords.com/index.php?article=1386.1&cvsqx=1&pdf=1386
    • http://www.mantrabeautybar.ca/index.php?article=105.1&rukbv=1&pdf=105
    • http://primetimerecords.com/index.php?article=496.1&cvsqx=1&pdf=496
    • http://cierzodemontana.com/index.php?article=741.7&vfjgt=7&pdf=741
    • http://kameraturva.net/index.php?article=135.4&ghbga=4&pdf=135
    • http://edezigntesting.com/index.php?article=2052.1&vwddn=1&pdf=2052
    • http://primetimerecords.com/index.php?article=118.1&cvsqx=1&pdf=118
    • http://primetimerecords.com/index.php?article=462.1&cvsqx=1&pdf=462
    • http://primetimerecords.com/index.php?article=174.1&cvsqx=1&pdf=174
    • http://intelluride.co/index.php?article=824.1&gdfls=1&pdf=824
    • http://primetimerecords.com/index.php?article=1918.1&cvsqx=1&pdf=1918
    • http://casarosso.com.tr/index.php?article=1029.1&gdggi=1&pdf=1029
    • http://primetimerecords.com/index.php?article=1008.1&cvsqx=1&pdf=1008
    • http://www.wallart.com.es/index.php?article=924.1&dxunj=1&pdf=924

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