Malicious PDF — malware analysis report

Static analysis result for SHA-256 9b945c288482a82f…

MALICIOUS

PDF

43.4 KB Authoring application: ImageMagick
MD5: 1c41782253f953da0306241802a46dd8 SHA-1: fb0795d90806caacbab477c2b384c7b2b61ceb55 SHA-256: 9b945c288482a82f2e17d4afd868fa9b130012638f842ca42e91d35657e20b01
150 Risk Score

Malware Insights

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

The PDF was flagged by ClamAV as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and a critical heuristic detected a mass external PDF link farm. The embedded URLs point to various PDF files, suggesting a phishing or SEO spam campaign. No scripts were extracted, limiting the analysis of direct malicious actions.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://nupu.cheriben-site.com/uploads/2020/01/28/ruwopati.pdf
    • http://motion-sickness.com.au/uploads/1/3/0/4/130488780/diweref.pdf
    • http://cecilyeiferle.com/uploads/1/3/0/3/130313466/pubefoniko_nuziz_xebasivemober.pdf
    • http://bobbodagreen.com/uploads/1/3/0/2/130273733/semumakumop.pdf
    • http://kellerpestpros.com/uploads/1/3/0/2/130270792/3210695.pdf
    • http://theheroinesclub.com/uploads/1/3/0/6/130639948/eaf8679fe880.pdf
    • http://soque.net/uploads/1/3/0/2/130270887/130270887.html#mhw+dragon+kinsect

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001249.bin
4a9c066e1d4e5949bb2899a693aaa97911a50ead5bd1d3c63eabb0a88f228d76		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1249 8244 bytes
font_01_sfnt_off000059d2.bin
6db2f878e0fd57d3a351d0d81a5ccd7b58f68df6728dadc3aee3ebeb1a1d6e60		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59D2 16068 bytes
font_02_sfnt_off00006e20.bin
4d9ec2aec8f1ca6bebe1b56492fd55a77bba3a6e98efb76508c1b835d4eb9912		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E20 2860 bytes

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