Malicious PDF — malware analysis report

Static analysis result for SHA-256 240759bf79f61418…

MALICIOUS

PDF

53.9 KB Authoring application: LibreOffice
MD5: 37ee31c93ec18ea78a395591522270d5 SHA-1: 6052649b01ff25675e8c8790270dd59296c6fdf1 SHA-256: 240759bf79f61418c98a103eb299c655536f7dd85fa2feed9dbbf6ff6a3690c9
82 Risk Score

Malware Insights

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

The file is a PDF document that contains a callback phishing lure, instructing the user to call a phone number in a context of billing or security. The ClamAV heuristic also flags it as a phishing-related PDF. An external URI pointing to 'casashark.com' was extracted, which is likely part of the phishing infrastructure.

Heuristics 4

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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://casashark.com/uploads/1/3/0/6/130639534/zajuto.pdf
    • https://gofugubax.weebly.com/uploads/1/3/0/3/130313306/3597835.pdf
    • http://nicoleadriennephotography.com/uploads/1/3/0/3/130313057/vijif.pdf
    • http://nuobeijing.devsite-1.com/uploads/1/3/0/6/130621826/130621826.html#vedic+astrological+chart+free

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00000fba.bin
40a0fa40448af0f42659e6a2fee8a70df6e1629bdcefe8bb56f0c50f75bcd6ca		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFBA 8512 bytes
font_01_sfnt_off00006c79.bin
1723f1ced37cc89d69e30f3df6281c5e5fb8989544fd4587aa75b00c91af2fd0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C79 1388 bytes
font_02_sfnt_off00007476.bin
9c53cf206eaf826a3b987a7bed94d6206a43e0e3c902788763f86e1544eb08b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7476 9228 bytes
font_03_sfnt_off00008c78.bin
45c39c4315a5d00962143d4102937301eb2649728d6de39b959633cfc30365c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8C78 16144 bytes

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