Malicious PDF — malware analysis report

Static analysis result for SHA-256 975e0cba44faa3bf…

MALICIOUS

PDF

51.2 KB Authoring application: OpenOffice Draw
MD5: 3a72564cb6aa731e8097218cb67a57f4 SHA-1: fe1099e36cf4eefa960696443aeae666149b5a2b SHA-256: 975e0cba44faa3bf3a7156930e3b7aca47b8d09cb1c5925b95373a93a4091ba9
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic. The document body, though truncated, mentions 'Append data sas enterprise guide', suggesting a lure to trick users into visiting these linked sites. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent.

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://sovereignbirth.com/uploads/1/3/0/4/130483248/5fa91bb1b2.pdf
    • http://ne-surgerycenter.net/uploads/1/3/0/5/130546971/nukosir_datofejijigaro_memixanatugoje_ridijod.pdf
    • http://sparkmediasf.com/uploads/1/3/0/6/130622075/nobexodubekagezipev.pdf
    • http://miracleinabucket.com/uploads/1/3/0/4/130483489/130483489.html#append+data+sas+enterprise+guide

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000103f.bin
2783859566d9de22a3c8060c26ce861e30f14c9a642f96cbbd61fb5e7578b70c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x103F 8540 bytes

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