MALICIOUS — 8acfb68851b54af42972323808f7bfc9f1f9929644d49dbfc1978d8925b0f3b4

MALICIOUS — 8acfb68851b54af42972323808f7bfc9f1f9929644d49dbfc1978d8925b0f3b4 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100). 4 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

SHA-256: 8acfb68851b54af42972323808f7bfc9f1f9929644d49dbfc1978d8925b0f3b4
SHA-1: 2d73d37d9635b2d016226f1c41d2fd965cd03523
MD5: e62134fd675b90e1d7f53ed9a9551206
ssdeep: 1536:Ewj36NQblc86PP51HRTWuqQ55BFWZFGOrGjv40y1WwqCnbxWUpO78cW:VqWN6PP51H0fQbK4Oov4X4Cnb07c
TLSH: T13838C0F3208BED8C774B9B077A9B116CB84AD3946132EA604088FB6CC5BC57DBE14651
Submitted as: 8acfb68851b54af42972323808f7bfc9f1f9929644d49dbfc1978d8925b0f3b4
File type: pdf · Size: 78550 bytes
Verdict: malicious (99/100)

Detections (4 of 54 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

T1105

Why this verdict

The malicious score of 99/100 is the fusion of 10 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
Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged HEUR:Hoax.PDF.Phish.gen (rule HEUR:Hoax.PDF.Phish.gen) - engine signal, weight 0.55, confidence 0.85
Contacted 11 external host(s) and 3 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule high-entropy-blob) - engine signal, weight 0.35, confidence 0.70
Embedded network infrastructure: https://irlanc.ru/uplcv?utm_term=hey+there+dej+loaf+mp3+download, http://gradn.ru/uploades/fckeditorfile/kejupejok.pdf, https://bodzlomu.com/userfiles/file/84871798111.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 (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Memory forensics: 3 finding(s) elsewhere in the guest, not attributed to this sample, e.g. RWX/private injected region in Acrobat.exe (pid 3164) (rule windows.malfind.Malfind) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

1032 behavior events · 0 ATT&CK techniques · 1 dropped files.

Runtime network

www.msftconnecttest.com
rb.symcd.com
rb.symcb.com
inference.location.live.net
c.pki.goog
x2.c.lencr.org
ye.c.lencr.org
yr.c.lencr.org
ntp.ubuntu.com
_dosvc._tcp.local
http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl
http://c.pki.goog/r/r1.crl
http://x2.c.lencr.org/
http://ye.c.lencr.org/
http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
http://yr.c.lencr.org/
23.40.52.85
23.11.37.157

Dropped files

root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://irlanc.ru/uplcv?utm_term=hey+there+dej+loaf+mp3+download
http://gradn.ru/uploades/fckeditorfile/kejupejok.pdf
https://bodzlomu.com/userfiles/file/84871798111.pdf
http://ip-golubev.ru/ckfinder/userfiles/files/56762259549.pdf
https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/12fd733940437d5262fdbd584d0173d8/98018783507.pdf
http://mimarathi.live/assets/ckfinder/core/connector/php/uploads/files/punalumamebepitop.pdf
https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/d4a54e244d0ec603ac21323d06764e95/sagoxukivujepiwafewop.pdf
https://activsport.ro/userfiles/file/48408051502.pdf
http://mail.teleserviciomalaga.com/ckfinder/userfiles/files/68380630179.pdf
https://terminarz.online/kosmetyczka/krakow/files/939480783.pdf
https://tipresentoio.it/images/file/gizefapitizovokafizom.pdf
http://7m-shop.com/userfiles/file/nisebotabuv.pdf
http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16156fd59a4fbd---32228807503.pdf
http://hamzalegalservices.com/userfiles/file/supipelewolamudoxaxotilup.pdf
http://guides2alpes.org/uploads/file/65724753947.pdf
http://fotografieindex.nl/images/uploads/rulipuzugemutab.pdf
https://buildingexpertsdirectory.com/ckfinder/userfiles/files/jonedunabikukejumuvaw.pdf
http://dichvumucin.com/upload/ckupload/files/46553201014.pdf
http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16130fcd1e85a9---zijinavijitowuwaxu.pdf
http://csc0311.com/userfiles/file/20210906195624_72ux93.pdf
https://thefencedocumentary.com/adminfiles/file/porimom.pdf
http://kowel.com/ckfinder/userfiles/files/1631963573.pdf
http://werder-ritter.de/UserFiles/File/bugutejebabezubegekisi.pdf
https://atlastoursntravels.com/userfiles/file/jomutafelibej.pdf
https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/e267bd7505a1169d54acae029b7cf2d3/90726596088.pdf

Embedded domains

irlanc.ru
gradn.ru
bodzlomu.com
ip-golubev.ru
mikepromedia.com
mimarathi.live
kolodezrus.ru
mail.teleserviciomalaga.com
terminarz.online
tipresentoio.it
7m-shop.com
thefutureofgolf.eu
hamzalegalservices.com
guides2alpes.org
fotografieindex.nl
buildingexpertsdirectory.com
dichvumucin.com
alternativefitness.com.au
csc0311.com
thefencedocumentary.com
kowel.com
werder-ritter.de
atlastoursntravels.com
www.kadeavenue.com
www.w3.org

Embedded IP addresses

40.84.85.40
85.210.193.152
203.26.79.13
172.172.255.218
52.123.252.248
52.110.12.14
52.110.12.50
4.230.171.124
51.132.193.105
4.247.188.233
52.148.114.188

Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report