Malicious PDF — malware analysis report

Static analysis result for SHA-256 df601ff0b46de558…

MALICIOUS

PDF

28.2 KB Authoring application: PDFedit
MD5: 48d79e0443e982c092b72268447da93e SHA-1: 1c1884b0e53d86acd3d92e9a0535672fdba28d42 SHA-256: df601ff0b46de5586b3ed8d8848b424f82e7b134bb3a5fd602c883df9fb3df01
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic, which strongly suggests a link farm or phishing campaign. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports this assessment. The embedded URLs are likely used to redirect users to malicious sites. No scripts were extracted from this sample.

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://www.maintorltd.com/uploads/1/3/0/5/130551294/09f8b544b9eb.pdf
    • http://conrecetasenlasruedas.com/uploads/1/3/0/5/130541140/1581822.pdf
    • http://kylielyall.com/uploads/1/3/0/5/130541688/moburodufoliborasija.pdf
    • http://truescripture.net/uploads/1/3/0/3/130324005/gobowovume.pdf
    • http://www.overthecreek.blog/uploads/1/3/0/5/130543093/1572000.pdf
    • http://klbhc.com/uploads/1/3/0/4/130475964/9066e6491c66.pdf
    • http://escaperoomtysonscorner.com/uploads/1/3/0/4/130435872/a480e.pdf
    • http://thefunyips.com/uploads/1/3/0/3/130324063/2134900.pdf
    • http://kirillian.net/uploads/1/3/0/6/130604557/tonozusulexefotinub.pdf
    • http://literaturepsychology.com/uploads/1/3/0/6/130620474/texiwisorinuzuzovu.pdf
    • http://aulayaiqsimarugut.com/uploads/1/3/0/4/130435652/gopajan.pdf
    • http://mimiscoffeehouseofhardwick.com/uploads/1/3/0/6/130604896/penivoxe.pdf
    • http://international-sinaia.devsite-1.com/uploads/1/3/0/4/130488445/130488445.html#lyrics+abide+with+me+tis+eventide

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001856.bin
6a701516c3b6c7016916fcebd5337d2c469a43b64773e4d92a45cf4fb575fbc2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1856 7096 bytes

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