Malicious PDF — malware analysis report

Static analysis result for SHA-256 2eeb4e8c5aab9ae8…

MALICIOUS

PDF

50.3 KB Authoring application: Scribus
MD5: 1f1c5e050f3cbc0c3d1abe15040959b2 SHA-1: a40d71ab999412fd2c87649513c8ba02d3b871a4 SHA-256: 2eeb4e8c5aab9ae82e995513209e494cbee4ae80505bde1d3823e1563dd52276
150 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links to other PDF files hosted across various domains, as indicated by the PDF_SEO_LINK_FARM heuristic. This suggests a link farm or distribution network. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious intent, likely related to phishing or traffic redirection. No scripts were extracted from this sample.

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://twomachines.org/uploads/1/3/0/6/130621285/rojozi_jotovisivo.pdf
    • http://giehs.org/uploads/1/3/0/7/130739012/dogidefisepaliwesun.pdf
    • http://lumivox.net/uploads/1/3/0/6/130639683/8477062.pdf
    • http://mshipco.com/uploads/1/3/0/6/130620910/2669746.pdf
    • http://9thwonderco.com/uploads/1/3/0/5/130551746/2648873.pdf
    • http://carolinedavisphotographystudio.com/uploads/1/3/0/2/130270898/titixari-fakado.pdf
    • http://mudtires.ca/uploads/1/3/0/5/130546244/bisiwifo.pdf
    • http://myentouragemusic.com/uploads/1/3/0/3/130379101/130379101.html#gmat+critical+reasoning+reddit

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010f0.bin
12683f30b55cdafce8300daddfc66f7a613ccfe1d81ee9cf82e72a910a5631dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10F0 8088 bytes
font_01_sfnt_off000089cd.bin
f6ecb6ada30545c4b06592a26e24a1bec1d4893e395531498c44d346e984ef3d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x89CD 2956 bytes

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