MALICIOUS — 7a437a3ce6bad9793e622283a2404c2a6d3c84013304bac85034a122b01fc361

MALICIOUS — 7a437a3ce6bad9793e622283a2404c2a6d3c84013304bac85034a122b01fc361 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100). 4 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

SHA-256: 7a437a3ce6bad9793e622283a2404c2a6d3c84013304bac85034a122b01fc361
SHA-1: 98b66d185b233546a70b3db73c158456045ae99c
MD5: 12cac4959c5da8bf0b2092a555a25f2c
ssdeep: 1536:UvFYw9rOgmzKErSSmcKVNIvBfzo29Xc2sUEzLaBnWspORGWPv5FCYAFvY/vYZ6k:zw9rxwuVNIfzoX2sqBWRpve
TLSH: T16C38CFF3619BDC0C378A8B436ABB109CA54AE74CA121EF4040CDB77C997C9BD6E50952
Submitted as: 7a437a3ce6bad9793e622283a2404c2a6d3c84013304bac85034a122b01fc361
File type: pdf · Size: 84182 bytes
Verdict: malicious (96/100)

Detections (4 of 53 engines)

MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
ClamAV (daily): Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Emsisoft (Emergency Kit): PDF.Spam.Heur.1
Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

Why this verdict

The malicious score of 96/100 is the fusion of 7 weighted signals:

ClamAV (daily) flagged Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 (rule Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0) - engine signal, weight 0.90, confidence 0.95
Contacted 14 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
Embedded link rated suspicious by URL analysis: https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161323fd7c7218---35054113449.pdf - network signal, weight 0.40, confidence 0.60
Embedded network infrastructure: https://ubitanduk.com/contents/files/gozivew.pdf, http://xn--vb0b83rba554gca.kr/page_data/file/20210908154425.pdf, https://partetesal.ir/data/file/51604453452.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
Extracted generic config (19 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9739 behavior events · 0 ATT&CK techniques · 3 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
desktop-hsgcbep
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
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
ntp.ubuntu.com
http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl
http://203.26.79.13/filestreamingservice//files/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com

Dropped files

C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\a352c21a1024b02bfbb85cb198eb7a4a.png - 5a29594dc5fc35b592240adda5c41518c75fd2f0722f83b514f9b4d1aee18891
C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - 93147f80bc0bc5b87ed5f0b1b9fbb6cc859295fe140b1256518917c0e2e174ae
root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=my+phone+is+safe+mode
https://ubitanduk.com/contents/files/gozivew.pdf
http://xn--vb0b83rba554gca.kr/page_data/file/20210908154425.pdf
https://partetesal.ir/data/file/51604453452.pdf
https://reitinguok.lt/userfiles/file/67891034912.pdf
http://gr-chem.com/upload/files/37874565164.pdf
https://homestayhoian.vn/uploads/image/files/90061210910.pdf
http://www.logomarcanet.com/userfiles/file/kilaxeba.pdf
http://munsusa.org/userfiles/file/20210918141348.pdf
https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161323fd7c7218---35054113449.pdf
https://meesens.be/KrMee/Tekstverwerker/nudoboketama.pdf
http://giftboxvietthuy.com/upload/ck/files/38760703257.pdf
http://crimesla.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/44999266196.pdf
http://mintaialuminum.com/d/files/xigejarakaxofaligo.pdf
https://gbp.dropship-online.com/userfiles/files/57711467843.pdf
http://anhuizhkj.com/upload_fck/file/2021-9-21/20210921050710214908.pdf
http://ahnil.com/userData/board/file/ranad.pdf
http://monterroso-construpuntos.com/campannas/file/3175943478.pdf
http://hzosm.com/images/upload/File/paviniwatokeralada.pdf
https://chorland-dining.com/webroot/editor-uploads/files/sifozixubobunemunobikapuw.pdf
http://artattack-concerts.de/files/file/27082898215.pdf
https://tahitotfaluovodak.hu/ckfinder/userfiles/files/neliropobixovo.pdf
https://ojazzdance.fr/userfiles/file/rezivakijiwumavovetibikij.pdf
http://df-2.de/images/daten/file/tiwes.pdf
http://www.w3.org/1999/02/22-rdf-syntax-ns#

Embedded domains

feedproxy.google.com
ubitanduk.com
xn--vb0b83rba554gca.kr
partetesal.ir
gr-chem.com
www.logomarcanet.com
munsusa.org
www.sussexweddingservices.co.uk
meesens.be
giftboxvietthuy.com
crimesla.com
mintaialuminum.com
gbp.dropship-online.com
anhuizhkj.com
ahnil.com
monterroso-construpuntos.com
hzosm.com
chorland-dining.com
artattack-concerts.de
ojazzdance.fr
df-2.de
www.w3.org
purl.org
ns.adobe.com
reitinguok.lt

Embedded IP addresses

85.210.196.11
13.69.239.69
52.123.252.197
52.110.12.40
4.230.171.124
20.247.185.124
20.165.94.54
20.231.239.246
74.178.240.61
74.179.77.204
52.123.128.14
135.234.160.245
72.145.35.102
203.26.79.13

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report