Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9d2b1b562502017…

MALICIOUS

PDF

48.2 KB Authoring application: SWFTools
MD5: dc0fdf2f6d85ae4ed4367ef684cb1a80 SHA-1: 50b3efef691550a27073d8877ff37db8dfecf6ca SHA-256: e9d2b1b562502017700e494188909c4bc2f2167c7aacc0bdc2ab580a1cc76bad
150 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to external PDF documents, a technique often used for SEO manipulation or to distribute further malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output strongly indicate malicious intent. The embedded URLs are the primary IOCs, suggesting a phishing or content distribution attack pattern.

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://dow.handorinservice.ru/uploads/2020/01/29/746e8.pdf
    • http://ccocciboutique.com/uploads/1/3/0/2/130288486/maxapitenakojukirut.pdf
    • http://ryanhuff.net/uploads/1/3/0/3/130313004/reburebumiw-telebuti.pdf
    • http://opalgeovision.com/uploads/1/3/0/4/130488820/b8a6bfb2b6.pdf
    • http://moagunworks.com/uploads/1/3/0/6/130621435/mijaxabibafado-dolomolifu-xeguxixo-fabewagu.pdf
    • http://tinex.hangxao.com/uploads/2020/01/28/3d769cefbedd6.pdf
    • http://shopcenter5.fun/uploads/2020/01/28/forowogo.pdf
    • http://mhrandlenovels.com/uploads/1/3/0/7/130775032/130775032.html#all+cheat+codes+for+grand+theft+auto+v+for+xbox+360

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011c1.bin
b5f327534b6b9f33c49e83b2780bbec2e1d74c6563a15fcef42b54f051027b16		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11C1 8884 bytes
font_01_sfnt_off000076e7.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x76E7 16036 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.