Malicious PDF — malware analysis report

Static analysis result for SHA-256 80af088be46cb047…

MALICIOUS

PDF

46.4 KB Authoring application: PDF Studio
MD5: feb69614fc9f175e31220f12633837de SHA-1: dac38f533345ff81063a8d22c99c9e9a114aded4 SHA-256: 80af088be46cb047b1ffd85c3dd6efdf562dae68baf2f7fd32c1f31c46906e02
120 Risk Score

Malware Insights

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

The PDF document was flagged by ClamAV as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', indicating a phishing or traffic redirection purpose. The critical heuristic 'PDF_SEO_LINK_FARM' confirms the presence of numerous external links, a common tactic for distributing malicious content or leading users to phishing sites. The document body is heavily obfuscated and contains no readable content to further inform the analysis. 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://connectionsthruart.com/uploads/1/3/0/7/130776338/mowujobimivanag.pdf
    • http://orockrotorua.co.nz/uploads/1/3/0/3/130323755/99c85eade9b.pdf
    • http://digitalvitaminagency.com/uploads/1/3/0/6/130639559/joluzolibe_pijurexu_vofipazudabe_jerufuxijedex.pdf
    • http://hotwinedeals.com/uploads/1/3/0/5/130538862/d3e96baf7e83b.pdf
    • http://cougarconstructionsales.com/uploads/1/3/0/6/130620926/bipes.pdf
    • http://raverflavor.net/uploads/1/3/0/6/130620309/repefowevax.pdf
    • http://npcpasolutions.com/uploads/1/3/0/6/130639306/ruxuzosifaxek.pdf
    • http://toycity.com/uploads/1/3/0/4/130483631/buzezavole-jaxoximazibekop-fidatewat-wuzujonupu.pdf
    • http://carroattrezziusati.com/uploads/1/3/0/4/130435726/54dd9cfc.pdf
    • http://precious-time-in-africa.co.za/uploads/1/3/0/3/130379485/gevonigixo.pdf
    • http://webmail.t2troubleshooting.com/uploads/1/3/0/4/130476215/130476215.html#sodium+bicarbonate+and+acetic+acid+balanced+chemical+equation
    • http://toycity.com/uploads/1/3/0/4/130483631/buzezavole-jaxoxi

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003b6e.bin
7ebcc0beb18b552999a061d4d96c001ebb230a70c8ebafd071604d3cc95509af		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3B6E 8572 bytes
font_01_sfnt_off00007eea.bin
e2f1373bf3d70a40ff4276a486f0a1d2d32154e4f45ad1243a44c3d3b7d91cea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7EEA 2652 bytes

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