Malicious PDF — malware analysis report

Static analysis result for SHA-256 d607bdebd7f3ca86…

MALICIOUS

PDF

36.2 KB Authoring application: GIMP
MD5: 88fdde3f173ea558d67cb5a5aa7dd77d SHA-1: 64f6004ee9731a879782b526c67e6b4fc589e3e5 SHA-256: d607bdebd7f3ca865da76f7a455315510780bbd314507aa6c12b8ed844a59635
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF files hosted on various domains. This behavior is indicative of a link farm or redirection scheme, commonly used in phishing or malware distribution campaigns. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. No scripts were extracted, limiting the analysis of direct payload execution.

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://njphotocrew.weebly.com/uploads/1/3/0/4/130488387/2416358.pdf
    • http://seariderphotography.com/uploads/1/3/0/2/130287317/1274665.pdf
    • http://midnighttokerstore.com/uploads/1/3/0/6/130622012/xevuriva.pdf
    • http://purespirithealingandwellness.com/uploads/1/3/0/5/130551176/2234800.pdf
    • http://nbarmichigan.com/uploads/1/3/0/5/130590287/7998070.pdf
    • http://advance-it.net/uploads/1/3/0/7/130739404/130739404.html#white+pages+vero+beach+fl

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001078.bin
69338f4b3219d5dd268e75b8091eed3ae4472119e1b7ace0792f5f101670aac3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1078 8292 bytes

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