MALICIOUS — normal_5ff58ac8f2cf1.pdf

MALICIOUS — normal_5ff58ac8f2cf1.pdf 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: 3aeb97fb2cfccafe22733c93b4e96861c0a7c6eab38cdad84072e68439335bdd
SHA-1: 6e6656630142808960898dbb41f4c98362e4f5ff
MD5: 09b06203f5530f77830f85a952c3a641
ssdeep: 1536:rx/jT70oCbkzFXOSscCzFu2i2dY71XAl1d35:1nIojVsnF5Yq7
TLSH: T17135C0F7219BDE5CF6496B83BEAB102CA486D1486132C75494C8BA2CC9FDA7C3E40D51
Submitted as: normal_5ff58ac8f2cf1.pdf
File type: pdf · Size: 63280 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: https://uploads.strikinglycdn.com/files/d286e50e-872a-430f-9133-90a5c90e1bba/77211386893.pdf - network signal, weight 0.70, confidence 0.80
Contacted 16 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
Embedded network infrastructure: https://traffnew.ru/123?utm_term=i+heard+it+through+the+grapevine+lyrics+youtube, https://sedivunoruset.weebly.com/uploads/1/3/4/8/134859312/321aa181b6b1.pdf, https://xurigatunirefor.weebly.com/uploads/1/3/4/6/134635133/dozuje-juteta-bifilum-nixineru.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 (5 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9673 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
252.0.0.224.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
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
79.243.254.169.in-addr.arpa
255.255.254.169.in-addr.arpa
ntp.ubuntu.com
http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D

Dropped files

C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\0b333f9af952de75df1f327818fb2a19.png - 2972099539ec5708d63001491dc8c7eec2b8b3617ebe3ecf016a8d738648c406
C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - 98cf9917b5c99e9e70c8f0b8ed5826fd9555a7a667ee7016956edb7432c79d30
root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

https://traffnew.ru/123?utm_term=i+heard+it+through+the+grapevine+lyrics+youtube
https://sedivunoruset.weebly.com/uploads/1/3/4/8/134859312/321aa181b6b1.pdf
https://xurigatunirefor.weebly.com/uploads/1/3/4/6/134635133/dozuje-juteta-bifilum-nixineru.pdf
https://uploads.strikinglycdn.com/files/d286e50e-872a-430f-9133-90a5c90e1bba/77211386893.pdf
https://rimidewazasi.weebly.com/uploads/1/3/4/3/134317879/1e2a53ee904081e.pdf
https://sivesasa.weebly.com/uploads/1/3/4/6/134669324/3962832.pdf
https://xutifivaluladar.weebly.com/uploads/1/3/4/3/134337767/788a230c6b035f1.pdf
https://uploads.strikinglycdn.com/files/531d4342-b96d-40f0-966a-e9ca7678ae51/40463930563.pdf
https://levevuwakute.weebly.com/uploads/1/3/4/9/134904524/aaa386c1b.pdf
https://bexusisase.weebly.com/uploads/1/3/4/5/134596812/1151592.pdf
https://pujosudenavi.weebly.com/uploads/1/3/4/5/134508056/jeditemogak_norex_xixitukonaru.pdf
https://uploads.strikinglycdn.com/files/23fb49ac-e0f4-4172-87e7-3a79a549e469/psychology_memory_multiple_choice_qu.pdf
https://jokilexagazoxo.weebly.com/uploads/1/3/4/6/134602179/fofexavaket_puxivanevogo_daxetupufov_wupet.pdf
https://static.s123-cdn-static.com/uploads/4415530/normal_5fdd6a9f8d032.pdf
http://www.w3.org/1999/02/22-rdf-syntax-ns#
http://purl.org/dc/elements/1.1/
http://ns.adobe.com/pdf/1.3/
http://ns.adobe.com/xap/1.0/
http://ns.adobe.com/xap/1.0/mm/
http://ns.adobe.com/xap/1.0/rights/
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
http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787742285&P2=404&P3=2&P4=EJf25dTHlhXx4viaB4ky4lLOdX1x0C7C1jrL%2fs2%2bJXt7Zm20G%2f4ZNJLWUbP0R3jdurL0o4XI18HZwjvdiySNqw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Embedded domains

traffnew.ru
sedivunoruset.weebly.com
xurigatunirefor.weebly.com
uploads.strikinglycdn.com
rimidewazasi.weebly.com
sivesasa.weebly.com
xutifivaluladar.weebly.com
levevuwakute.weebly.com
bexusisase.weebly.com
pujosudenavi.weebly.com
jokilexagazoxo.weebly.com
static.s123-cdn-static.com
www.w3.org
purl.org
ns.adobe.com

Embedded IP addresses

52.123.128.14
172.172.255.216
52.123.252.194
52.110.12.46
4.230.171.124
20.247.185.124
20.50.201.206
74.179.77.204
52.123.129.14
135.233.95.80
203.26.79.13
135.234.160.244
20.42.73.27
92.223.78.30
52.148.114.188
142.250.183.35

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report