Malicious PDF — malware analysis report

Static analysis result for SHA-256 81cd9bfea7d928a7…

MALICIOUS

PDF

31.3 KB Authoring application: GIMP
MD5: e64e0711c4fab81a1d1b7b38b1d8ec87 SHA-1: 2851c603469d654f5f9cbd8a386bb79672c429d8 SHA-256: 81cd9bfea7d928a76539285f857a3c7d0a4511aac64b14b5064c8f94e9e633d4
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is identified as malicious by multiple heuristics, including a ClamAV detection for 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. The document body contains embedded URLs that likely lead to further malicious content, suggesting a phishing or malware distribution attempt. The presence of these URLs and the overall detection profile strongly indicate a spearphishing attachment attack vector.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://betterwiththebible.com/uploads/1/3/0/6/130639506/e7ea2.pdf
    • http://teesarewild.com/uploads/1/3/0/4/130476661/vijamubotit.pdf
    • http://newportplant.com/uploads/1/3/0/6/130604723/xikugolif.pdf
    • http://oojoandbink.com/uploads/1/3/0/6/130604098/77ef10714fb3.pdf
    • http://nashobavalleyextractco.com/uploads/1/3/0/2/130291433/130291433.html#kindergarten+writing+homework+worksheets

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001156.bin
1a4f373042de6aa21559a822687194dd332e182f67a57f2449ab15dd2703e5e3
pdf-font-stream PDF embedded font (sfnt) at offset 0x1156 7912 bytes