MALICIOUS — f8f03d2c2a7336c518fb9e049e5c9dc6d5c80242e1a6cea026108bce4560b6d8

MALICIOUS — f8f03d2c2a7336c518fb9e049e5c9dc6d5c80242e1a6cea026108bce4560b6d8 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 4 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

SHA-256: f8f03d2c2a7336c518fb9e049e5c9dc6d5c80242e1a6cea026108bce4560b6d8
SHA-1: 8b3743aedf24fecd27a94be03173c95c92978b6c
MD5: f4cf93035afe917707b32cd01f9b6466
ssdeep: 1536:mUBH/x07uck9IThop1eWd5/TcZf/HdxhXXQ+xvWYjBBgIpWSPu8PWapOtQbu11p:1HJ2utyhoTem/o1/9x9fxj/Jp7gtQSR
TLSH: T1A239CFFB219BDD8CB78B9B032E96219DA085D3C82175C6A1418C777CA5BCAFE6E40510
Submitted as: f8f03d2c2a7336c518fb9e049e5c9dc6d5c80242e1a6cea026108bce4560b6d8
File type: pdf · Size: 88516 bytes
Verdict: malicious (98/100)

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 98/100 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
Embedded link rated malicious by URL analysis: http://thegioixedap.net/upload/files/vebizitupanalasapu.pdf - network signal, weight 0.70, confidence 0.80
Contacted 15 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
Embedded network infrastructure: http://violetstudio.in/userfiles/file/75341055880.pdf, http://thegioixedap.net/upload/files/vebizitupanalasapu.pdf, http://strojsteel.cz/webpagebuilder/ckfinder/userfiles/files/didodij.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)

9667 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
ntp.ubuntu.com
250.255.255.239.in-addr.arpa
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/fa5c4269-9d03-4a47-8d97-be6931f0b22c/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/fa5c4269-9d03-4a47-8d97-be6931f0b22c?P1=1787879143&P2=404&P3=2&P4=SA8H%2bHjBZTjvXTdaeHjefOzkIW%2bHGvR2DRMDDSKeKXwG3SZEDT%2ffsMN2ba%2btGdh%2f6IdAHBWiTfswST3cJLUQOA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787879208&P2=404&P3=2&P4=iOq9djGFC4bHvqCUm2BjJkt7bNpXcFHjO5Kdi9%2fjA%2f1a3TwevwrpV8E9XwuLaOEkUmMyn166nFkVdmgHRm%2b9tw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com

Dropped files

C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - f7ec198047351d472645395d0c53934cf583ffcb0d886b2ec8e897cd16ddd191
C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\37fe4215e716d6a5e9026e0670957f63.png - 84c63d3b68a870fcef0920fa5b69580240594559fe877777eb68d0a3fdd01d29
root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=samsung+galaxy+device+drivers
http://violetstudio.in/userfiles/file/75341055880.pdf
http://thegioixedap.net/upload/files/vebizitupanalasapu.pdf
http://strojsteel.cz/webpagebuilder/ckfinder/userfiles/files/didodij.pdf
http://jerseybankruptcylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/81907337605.pdf
http://wieswioska.pl/userfiles/file/64533806157.pdf
http://uktohabbarijamalta.com/files/file/lagitirulumosuvaxudi.pdf
http://ilyxrace.com/userfiles/files/96278926843.pdf
http://elturo.ru/img/upload/files/51877486958.pdf
https://baruipur.org/ckfinder/userfiles/files/girofavedepovudogotu.pdf
http://bzws.zhanyougame.com/ckfinder/userfiles/files/52729395328.pdf
http://hiroshima-teishaku.com/userfiles/file/zagulubumujoxet.pdf
https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/806629b6b626da2b625bc84a1996e162/lugusotikobolekugovazo.pdf
https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/31da496d20875f0dd7f2f8c9af9182a5/60894635974.pdf
http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133fbb0bf951---47354204378.pdf
https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/jvfv16tcv0jsfl3jbs61l79jq1/64295428872.pdf
http://mh-gartengestaltung.de/userfiles/file/34536817238.pdf
http://tecsun-moscow.ru/docs/file/19921895672.pdf
http://davidhammerstein.org/userfiles/file/pafid.pdf
https://xn--fct5g39pjpo.tw/upload/leakstop/files/56667710154.pdf
http://vinaaquachem.com/uploads/files/64564731346.pdf
http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/60b7ohjsgr454fodqdkbcaab65/93987907416.pdf
https://holocaustresearch.pl/nowy/photo/file/jekut.pdf
http://goldstecq.com/userfiles/file/kenodulurotakimaseki.pdf
http://adamlegal.com/userfiles/file/34386663274.pdf

Embedded domains

feedproxy.google.com
violetstudio.in
thegioixedap.net
jerseybankruptcylaw.com
wieswioska.pl
uktohabbarijamalta.com
ilyxrace.com
elturo.ru
baruipur.org
bzws.zhanyougame.com
hiroshima-teishaku.com
tfnd.org
boothtastic.com
avantkart.com
mh-gartengestaltung.de
tecsun-moscow.ru
davidhammerstein.org
xn--fct5g39pjpo.tw
vinaaquachem.com
milcontabil.com.br
holocaustresearch.pl
goldstecq.com
adamlegal.com
kientrucphatloc.com
www.w3.org

Embedded IP addresses

79.170.40.182
203.26.79.13
20.50.201.204
20.247.185.124
135.233.95.80
52.110.12.45
52.110.12.4
4.230.171.124
135.232.92.97
135.233.95.144
20.112.250.133
52.123.129.14
20.184.175.22
135.234.160.244
51.104.15.253
40.84.85.40

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report