MALICIOUS — 18644371930.pdf

MALICIOUS — 18644371930.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100). 4 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

SHA-256: 1b5462f02a4ce56e03efa15a4edea88d49618089d9dcccc5ee8c573f1fc6329a
SHA-1: 6d4fc615da4fd213293e6388b62e3accce9cb20f
MD5: a88f416a5324a27a027513c8577e71fe
ssdeep: 1536:poormm1zbHou+Wn0mmilnEsWWk6W/VenrkY0QE4PuWXpO/IlB:5/L6wlnPuiAY0mPu/S
TLSH: T10E37BFF361D7CE9D768A8B0779FB119C604AD7846225E6009008B77CD87C6BDBE10B92
Submitted as: 18644371930.pdf
File type: pdf · Size: 75880 bytes
Verdict: malicious (99/100)

Detections (4 of 50 engines)

MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
ClamAV (daily): Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
Emsisoft (Emergency Kit): PDF.Spam.Heur.1
Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

Why this verdict

The malicious score of 99/100 is the fusion of 10 weighted signals:

ClamAV (daily) flagged Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 (rule Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0) - engine signal, weight 0.90, confidence 0.95
Dropped a malicious payload (Lazarus): root_.cache_dconf_user - dynamic signal, weight 0.80, confidence 0.90
Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85
Contacted 32 external host(s) at runtime (7 HTTP) - network signal, weight 0.40, confidence 0.80
Embedded link rated suspicious by URL analysis: http://simpelms.nl/userfiles/files/52658062752.pdf - network signal, weight 0.40, confidence 0.60
Embedded network infrastructure: http://jinwoosmc.com/userfiles/file/dazuxubuxuwitubinupi.pdf, https://www.campacinter.com/image/upload/File/54266462424.pdf, http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/161312c1877dd4---puwovagowe.pdf - static signal, weight 0.35, confidence 0.60
Document active content: uri-action - static signal, weight 0.30, confidence 0.60
Packing/obfuscation: high-entropy-blob - static signal, weight 0.25, confidence 0.55
Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Extracted generic config (19 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9549 behavior events · 1 ATT&CK techniques · 4 dropped files.

Runtime network

www.msftconnecttest.com
rb.symcd.com
rb.symcb.com
inference.location.live.net
to-do.office.com
staging.to-do.officeppe.com
teams.cloud.microsoft
outlook.office.com
outlook.office365.com
outlook.cloud.microsoft
250.255.255.239.in-addr.arpa
b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
252.0.0.224.in-addr.arpa
3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
ntp.ubuntu.com
desktop-hsgcbep
http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl

Dropped files

/opt/CAPEv2/storage/analyses/30364/files/5b1d28868501bff6d0f0e9d15d8bc0bf59e09d7eec56a365106b83dddae06360 - 5b1d28868501bff6d0f0e9d15d8bc0bf59e09d7eec56a365106b83dddae06360
/opt/CAPEv2/storage/analyses/30364/files/0b3894380385e42f397aab494be38da14d5b93c262a884cb4b7874026383e608 - 0b3894380385e42f397aab494be38da14d5b93c262a884cb4b7874026383e608
root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
tmp_tmp.INITMFVXbB - 051f940e780582c9705c26071c5572ab4e47945ae09e475e08e9f5feea6f7ebb

Embedded URLs

https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=download+jcheater+san+andreas+edition
http://jinwoosmc.com/userfiles/file/dazuxubuxuwitubinupi.pdf
https://www.campacinter.com/image/upload/File/54266462424.pdf
http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/161312c1877dd4---puwovagowe.pdf
https://pharmawell.eu/ckfinder/userfiles/files/fakujexabajuzasesikozax.pdf
http://simpelms.nl/userfiles/files/52658062752.pdf
http://orem.mn/uploads/files/newagezifitix.pdf
http://djk-winkel.de/images/uploads/file/30405749473.pdf
https://geya99.com/ckfinder/userfiles/files/39241613225.pdf
https://vasutaszeneiskola.hu/ckfinder/userfiles/files/levusifukewufulenavez.pdf
https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bbab2c273e---lipaxenewovokidagufe.pdf
http://dirpub.org/editor/ckfinder/userfiles/files/56562289987.pdf
https://allcreaturesinc.com/files/files/59618589113.pdf
https://baigiangtoanhoc.com/upload/files/78989996272.pdf
http://csigikes.hu/admin/fck_upload/file/fagiwefa.pdf
http://cjcounsel.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fexupude.pdf
http://dryoucosmeceutical.com/userfiles/files/wavilelaronilup.pdf
https://cuacuonbentre.com/upload/files/pabuxiwesuduzetusovus.pdf
https://casabresciani.it/uploads/file/40988264216.pdf
http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16137cc005f57a---94502857651.pdf
https://rubyyadav.com/nbloom/fckuploads/file/wofezodadekafezekajubepud.pdf
http://cachnhietcacham.vn/Images_upload/files/29298164037.pdf
https://happycondo.leaddeehub.com/userfiles/files/4287105117.pdf
http://edu-family72.ru/content/images/uploads/file/fekavubuwasipulo.pdf
http://apvn.info/userfiles/file/14962473112.pdf

Embedded domains

feedproxy.google.com
jinwoosmc.com
www.campacinter.com
www.cascinasorigherio.it
pharmawell.eu
simpelms.nl
djk-winkel.de
geya99.com
www.truesdalepainting.com
dirpub.org
allcreaturesinc.com
baigiangtoanhoc.com
cjcounsel.com
dryoucosmeceutical.com
cuacuonbentre.com
casabresciani.it
dabien.co.kr
rubyyadav.com
happycondo.leaddeehub.com
edu-family72.ru
apvn.info
curvy.tw
www.w3.org
purl.org
ns.adobe.com

Embedded IP addresses

20.42.73.27
4.230.171.124
20.89.1.10
20.112.250.133
135.233.95.144
72.154.7.107
203.26.79.13
135.233.45.222
20.184.175.22
4.247.188.233
135.233.95.80
135.232.92.137
52.168.112.66

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report