MALICIOUS — 8311562222.pdf
MALICIOUS — 8311562222.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (72/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
0bb77a99ec13aa1226690be1338c2e3d93494315c84068a41b84f8d7f1172e97 - SHA-1:
f65c65a40f42c1b9762f9fd006a8e375830a426b - MD5:
ff327656fea46fdd24bc65ab655e4a86 - ssdeep:
768:CgGzpDO0j0wvI7DJKUVLjOMRGk+FUQASiDkb+LsssBK/6DHr:fGF68UV33UF7ASiQbMssEK/6DHr - TLSH:
T115319DF350A7ED8C79869B03AEA600966189D78C7176A770858C7B6CE17C6FC6F10920 - Submitted as: 8311562222.pdf
- File type: pdf · Size: 41269 bytes
- Verdict: malicious (72/100)
Detections (3 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): HEUR:Trojan.Script.Generic
MITRE ATT&CK
Why this verdict
The malicious score of 72/100 is the fusion of 6 weighted signals:
- Contacted 19 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/64ba075d-bcc2-4e8c-aab1-416b9c4ad4b1/sisasenip.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=velocity+graphs+worksheet+answers, https://site-1036932.mozfiles.com/files/1036932/54383649985.pdf, https://site-1038753.mozfiles.com/files/1038753/pojuxot.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 (10 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9783 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
- 79.243.254.169.in-addr.arpa
- 255.255.254.169.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
- 252.0.0.224.in-addr.arpa
- 250.255.255.239.in-addr.arpa
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\001399181ce8e8573d636e525154762e.png -
e9b3e642a38c8179ee853d18e97a58f4cbd4f4da6bdd90265e64709fe85dba6d - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
9513f487d23f24986043cca3f5fd4eb42b39e96b57a59b93056724439186a3c5 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=velocity+graphs+worksheet+answers
- https://site-1036932.mozfiles.com/files/1036932/54383649985.pdf
- https://site-1038753.mozfiles.com/files/1038753/pojuxot.pdf
- https://site-1037188.mozfiles.com/files/1037188/kufubibaxijijelujarutet.pdf
- https://site-1037113.mozfiles.com/files/1037113/lutefewapakikevoniteti.pdf
- http://rumawufe.performingartsworkshops.org/uploads/1/3/1/6/131606835/zuwaba-livuzunawon.pdf
- https://cdn.shopify.com/s/files/1/0481/3294/8129/files/wuzisaf.pdf
- https://cdn.shopify.com/s/files/1/0446/7264/7331/files/pdf_architect_6_standard.pdf
- https://cdn.shopify.com/s/files/1/0479/7408/8860/files/nujuvasikafoxivuvojuguvi.pdf
- https://cdn.shopify.com/s/files/1/0432/3006/8894/files/32664298126.pdf
- https://uploads.strikinglycdn.com/files/64ba075d-bcc2-4e8c-aab1-416b9c4ad4b1/sisasenip.pdf
- https://uploads.strikinglycdn.com/files/c1722546-4f55-4f6b-b33b-022e8aab836f/52956059597.pdf
- https://uploads.strikinglycdn.com/files/0776c484-4e4d-4801-a24e-795488d24d1f/dakotod.pdf
- https://uploads.strikinglycdn.com/files/66eb123f-e103-4b6d-8915-769966016ade/443015615.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=1787749504&P2=404&P3=2&P4=TlRdSWcl2rUlZMx%2bYjBt2qWi5uWFw891VE%2bv%2bFTiBNSr9z7aupLCg%2bPCZYMZgd%2felcL%2bc1smDhCaEGicjbQi4w%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- cctraff.ru
- site-1036932.mozfiles.com
- site-1038753.mozfiles.com
- site-1037188.mozfiles.com
- site-1037113.mozfiles.com
- rumawufe.performingartsworkshops.org
- cdn.shopify.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.216
- 48.211.4.16
- 135.233.95.80
- 4.247.188.233
- 4.150.223.109
- 52.123.252.242
- 52.110.12.49
- 4.230.171.124
- 135.233.95.144
- 51.116.246.104
- 4.150.223.112
- 20.112.250.133
- 52.123.129.14
- 74.178.232.29
- 203.26.79.13
- 52.123.252.236
- 135.233.45.222
- 48.199.12.1
- 104.18.21.213
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report