Malicious PDF — malware analysis report

Static analysis result for SHA-256 bab00fda140df1eb…

MALICIOUS

PDF

12.2 KB Created: 2015-07-15 16:26:09 +04:00 Authoring application: DOMPDF
MD5: f8885fed4d29001335ddec5f96982df7 SHA-1: 03eacc78f7356cc048f14c0611e171ed3c56394b SHA-256: bab00fda140df1eb0ab048d120f7d96b9e02ab6749d06c47b3e242a34120606b
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to various domains, indicative of a link farm or redirection scheme. The ML classifier also flagged this PDF as malicious. The presence of numerous external links suggests the primary purpose is to direct users to potentially harmful external resources, rather than delivering a direct payload within the PDF itself.

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://chavagnes.com/index.php?article=1695.2&urwbo=2&pdf=1695
    • http://michele-jimenez.com/index.php?article=1727.1&dwpcn=1&pdf=1727
    • http://modart.com.tr/index.php?article=124.1&ykgew=1&pdf=124
    • http://chavagnes.com/index.php?article=1955.2&urwbo=2&pdf=1955
    • http://propertarian.net/index.php?article=1037.1&jdxyr=1&pdf=1037
    • http://chavagnes.com/index.php?article=2419.2&urwbo=2&pdf=2419
    • http://www.mantrabeautybar.ca/index.php?article=2049.1&rukbv=1&pdf=2049
    • http://barrainformativa.com/index.php?article=2186.2&eyxlg=2&pdf=2186
    • http://www.robinprime.com/index.php?article=1423.1&bedxv=1&pdf=1423
    • http://chavagnes.com/index.php?article=1825.2&urwbo=2&pdf=1825
    • http://chavagnes.com/index.php?article=1297.2&urwbo=2&pdf=1297
    • http://chavagnes.com/index.php?article=1993.2&urwbo=2&pdf=1993
    • http://hillcrestchurch.info/index.php?article=1272.1&jhrre=1&pdf=1272
    • http://chavagnes.com/index.php?article=2283.2&urwbo=2&pdf=2283
    • http://smu12.com/index.php?article=2128.4&ezwhk=4&pdf=2128
    • http://chavagnes.com/index.php?article=357.2&urwbo=2&pdf=357
    • http://healthcare2-concepts.com/index.php?article=2092.1&syyyl=1&pdf=2092

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