This is the 2nd of these ransom spams I've received where the body of
the message is a .jpg. Below is the body and also a link to the headers
and body

https://photos.app.goo.gl/DGcjySsnEHL3uKBa7

https://pastebin.com/xNRZ5UeC

The SA Markup is:

Content analysis details:   (12.2 points, 5.0 required)

 pts rule name              description
---- ---------------------- -----------------------------------------
---------
-0.0 RCVD_IN_DNSWL_NONE     RBL: Sender listed at 
https://www.dnswl.org/,
                             no trust
                            [54.240.8.24 listed in list.dnswl.org]
 0.8 BAYES_50               BODY: Bayes spam probability is 40 to 60%
                            [score: 0.5590]
 3.3 KB_FORGED_MOZ4         Mozilla 4 uses X-Mailer
 0.0 SPF_HELO_NONE          SPF: HELO does not publish an SPF Record
-0.0 SPF_PASS               SPF: sender matches SPF record
 0.0 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level
                            mail domains are different
 0.0 HTML_MESSAGE           BODY: HTML included in message
 1.7 HTML_IMAGE_ONLY_08     BODY: HTML: images with 400-800 bytes of
                            words
 0.1 DKIM_SIGNED            Message has a DKIM or DK signature, not
necessarily
                            valid
-0.0 DCC_CHECK_NEGATIVE     Not listed in DCC
 2.2 DCC_CHECK              listed in DCC (
http://rhyolite.com/anti-spam/dcc/)
 0.1 DKIM_INVALID           DKIM or DK signature exists, but is not
valid
 0.8 KAM_INFOUSMEBIZ        Prevalent use of .info|.us|.me|.me.uk|.biz
                            domains in spam/malware
 2.3 FORGED_MUA_MOZILLA     Forged mail pretending to be from Mozilla
 1.0 SAGREY                 Adds 1.0 to spam from first-time senders

DCC Results are localhost 104; Body=1 Fuz1=1 Fuz2=many
DCC Brand is x.dcc-servers
PYZOR Results are Reported 0 times.

I don't know if a rule exists for something like this or not. 
-- 
Chris
KeyID 0xE372A7DA98E6705C
31.11972; -97.90167 (Elev. 1092 ft)
20:04:36 up 9 days, 12:23, 1 user, load average: 1.15, 1.15, 1.12
Description:    Ubuntu 18.04.2 LTS, kernel 4.15.0-50-generic

Attachment: signature.asc
Description: This is a digitally signed message part

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