Cisco Security Intelligence Operations has detected significant activity related to spam email messages that claim to contain a fax message notification for the recipient. The text in the email message attempts to convince the recipient to follow the link to view the message. However, the link directs the user to a .zip file containing a malicious .pif file that, when executed, attempts to infect the system with malicious code.
Email messages that are related to this threat (RuleID8849) may contain the following files:
pdf_efax_7132152020.zip
pdf_efax_7132152020.pif
The pdf_efax_7132152020.pif file in the pdf_efax_7132152020.zip archive has a file size of 260,608 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0xE3369380F6985DAB90C693724B0C9681
The following text is a sample of the email message that is associated with this threat outbreak:
Subject: eFax message from 17132152020 - 1 page(s), Caller-ID: 713-215-2020
Message Body:
Fax Message [Caller-ID: 713-215-2020]
You have received a 1 page fax at 2014-02-13 05:30:20 CDT.
* The reference number for this fax is min1_did13-1329191075-7132152020-49.
View this fax online, on our website : hxxp://www.efax.com/fax/fax_view.aspx?fax_id=7132152020
Please visit www.eFax.com/en/efax/twa/page/help if you have any questions regarding this message or your service.
Thank you for using the eFax service!
Cisco Security Intelligence Operations analysts examine real-world email traffic data that is collected from over 100,000 contributing organizations worldwide. This data helps provide a range of information about and analysis of global email security threats and trends. Cisco will continue to monitor this threat and automatically adapt systems to protect customers. This report will be updated if there are significant changes or if the risk to end users increases.
Cisco security appliances protect customers during the critical period between the first exploit of a virus outbreak and the release of vendor antivirus signatures. Email that is managed by Cisco and end users who are protected by Cisco Web Security Appliances will not be impacted by these attacks. Cisco security appliances are automatically updated to prevent both spam email and hostile web URLs from being passed to the end user.
Cisco Security Intelligence Operations has detected significant activity related to spam email messages that claim to contain a fax message notification for the recipient. The text in the email message attempts to convince the recipient to follow the link to view the message. However, the link directs the user to a .zip file containing a malicious .pif file that, when executed, attempts to infect the system with malicious code.
Email messages that are related to this threat (RuleID8849) may contain the following files:
pdf_efax_7132152020.zip
pdf_efax_7132152020.pif
The pdf_efax_7132152020.pif file in the pdf_efax_7132152020.zip archive has a file size of 260,608 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0xE3369380F6985DAB90C693724B0C9681
The following text is a sample of the email message that is associated with this threat outbreak:
Subject: eFax message from 17132152020 - 1 page(s), Caller-ID: 713-215-2020
Message Body:
Fax Message [Caller-ID: 713-215-2020]
You have received a 1 page fax at 2014-02-13 05:30:20 CDT.
* The reference number for this fax is min1_did13-1329191075-7132152020-49.
View this fax online, on our website : hxxp://www.efax.com/fax/fax_view.aspx?fax_id=7132152020
Please visit www.eFax.com/en/efax/twa/page/help if you have any questions regarding this message or your service.
Thank you for using the eFax service!
Cisco Security Intelligence Operations analysts examine real-world email traffic data that is collected from over 100,000 contributing organizations worldwide. This data helps provide a range of information about and analysis of global email security threats and trends. Cisco will continue to monitor this threat and automatically adapt systems to protect customers. This report will be updated if there are significant changes or if the risk to end users increases.
Cisco security appliances protect customers during the critical period between the first exploit of a virus outbreak and the release of vendor antivirus signatures. Email that is managed by Cisco and end users who are protected by Cisco Web Security Appliances will not be impacted by these attacks. Cisco security appliances are automatically updated to prevent both spam email and hostile web URLs from being passed to the end user.