Malicious PDF — malware analysis report

Static analysis result for SHA-256 d967d00b7cd3bd47…

MALICIOUS

PDF

47.9 KB Authoring application: PDFedit
MD5: 00e0d78e66ae90daceff345afa725933 SHA-1: 9dac7817e25d70d254ef4a8cde4d03259fc142e0 SHA-256: d967d00b7cd3bd47280fa2ddd4d4cbdd76ff94902ef3ef028115a373e2be9b6d
150 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. This behaviour is characteristic of a link farm used to distribute malicious content or conduct phishing attacks. The ClamAV detection and ML classifier further support its malicious nature, flagging it as Pdf.Phishing.TtraffRobotInstall. The embedded URLs are the primary indicators of compromise, likely leading to further stages of the attack.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://mindbody-solutions.net/uploads/1/3/0/7/130740412/95b47d2ac.pdf
    • http://monumnentalbeginnings.com/uploads/1/3/0/7/130775370/4801588.pdf
    • http://simplicitypei.com/uploads/1/3/0/5/130542907/1974356.pdf
    • http://rebootventures.co.uk/uploads/1/3/0/6/130605240/8f467a25f.pdf
    • http://auditfindings.net/uploads/1/3/0/5/130550684/55fbc1df2.pdf
    • http://74-123-77-106.mgwnet.com/uploads/1/3/0/5/130550770/xawidesumedato.pdf
    • http://nikkiallred.com/uploads/1/3/0/2/130289724/3882303.pdf
    • http://primetrans.ca/uploads/1/3/0/7/130739513/bosizuvunegex.pdf
    • http://miguelsanomovie.com/uploads/1/3/0/2/130272260/7055432.pdf
    • http://www.ptrevitalize.com/uploads/1/3/0/6/130620451/181818.pdf
    • http://mx.coldcountryqueens.com/uploads/1/3/0/5/130550715/mefogawusenemuwoxula.pdf
    • http://jakerundell.com/uploads/1/3/0/7/130775786/02fe311c18fd994.pdf
    • http://rockyrunafterschool.com/uploads/1/3/0/6/130620916/jarirejizab.pdf
    • http://bellecreekresources.net/uploads/1/3/0/3/130313803/kerusunudad-pezadifoxavudog-wanopaze.pdf
    • http://cuestionsocial.com/uploads/1/3/0/5/130588567/salufesi.pdf
    • http://a1412531xstreamtravel.xsideas.com/uploads/1/3/0/2/130288397/kadevagi-darusamasub-vabuge-mesaxiwitag.pdf
    • http://trikon-group.devsite-1.com/uploads/1/3/0/4/130476514/130476514.html#agricultural+economics+pdf+in+hindi

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000347e.bin
5289e88ec9c8f4a191c58c54877a9522fba1f66cc299c92955ac504900be6fd9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x347E 7468 bytes
font_01_sfnt_off0000479b.bin
f31c439e28d0137206b91a151f21343900f846ed9ff070250fbe82eb1cc7da1d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x479B 16204 bytes
font_02_sfnt_off00005f64.bin
78f67427383604c51d1ef24e8b17fcc926c0c39c33f00e3c13e817d804ecf984		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F64 7932 bytes

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