Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae1b3ab0a9f1649d…

MALICIOUS

PDF

53.4 KB Authoring application: Poppler-utils
MD5: f39a030c4d7b4ed7d6c8bdf1f10231bb SHA-1: 6fa91a7251a7cc9ec88f6301378c8eb042415a1e SHA-256: ae1b3ab0a9f1649d3ab5a05f6ceeb98e535a5c16ba42586de4ddb4e9fb647d79
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical alert for a link farm and a high ML score, indicating malicious intent. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports this. The document body contains numerous embedded URLs, suggesting a phishing or redirection campaign. No scripts were extracted from this sample.

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://ambercove27waterfalls.com/uploads/1/3/0/5/130543684/e166ae5200fdba.pdf
    • http://mitchcapone.com/uploads/1/3/0/6/130620906/wagipiwazus.pdf
    • http://mohamed-albarasi-academy.com/uploads/1/3/0/2/130288559/jekeletulom.pdf
    • http://sjhdesignwerks.com/uploads/1/3/0/2/130274349/4f3c33ba9013a8a.pdf
    • http://borders.space/uploads/1/3/0/4/130483263/divanitixuze_lupinoxarazi_funosiwati.pdf
    • http://kitel.talequale.pw/uploads/2020/01/28/549d5b9f7f64.pdf
    • http://rochecenter.org/uploads/1/3/0/3/130312923/130312923.html#the+circuit+by+francisco+jimenez+sparknotes

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000010dd.bin
8224d8116129d68a32ed16a09bde1cb5e5b626e38d83e4ac8b58cbc16027c920		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10DD 8312 bytes

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