SUSPICIOUS — 66985828050.pdf
SUSPICIOUS — 66985828050.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (64/100). 2 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
7b3feba4ef6a0d8a788de5a70a97eff996f3b4a21ea94eeb3551462662ad875a - SHA-1:
fa83b8d85f6641c489bc8bbb1e3d2ee26a1d2eb7 - MD5:
8f4fd46f608eed3e2714955353e31cb8 - ssdeep:
768:KgGzpDGevUp356dIelfzOSWWNZ8YFQjF66ZxeipzIiYKGdfe4QyPT2IRS:XGF6ebOo29F66ZxeUzvY7f3SIRS - TLSH:
T15C32AFF34457DD4C7A86AB0369EB20AA514BC74D2232DAA005893F7CD83C7BDBE10961 - Submitted as: 66985828050.pdf
- File type: pdf · Size: 44738 bytes
- Verdict: suspicious (64/100)
Detections (2 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The suspicious score of 64/100 is the fusion of 5 weighted signals:
- Contacted 15 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://gettraff.ru/strik?keyword=water+distribution+system+nptel+pdf, https://site-1048186.mozfiles.com/files/1048186/54275193993.pdf, https://site-1037221.mozfiles.com/files/1037221/94231464179.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)
9762 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
- 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
- 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
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
fda7632805cc6fc1dc58ee20d64fcabacae34ff9ef4f040c52790fb1d73f3809 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\5548359b00c91ca8f9dd1fe07f3a4631.png -
508f46533e000c48532a0cf482ce739b9c3baf4571a8f012bf5722e933ef93fd - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/strik?keyword=water+distribution+system+nptel+pdf
- https://site-1048186.mozfiles.com/files/1048186/54275193993.pdf
- https://site-1037221.mozfiles.com/files/1037221/94231464179.pdf
- https://site-1036679.mozfiles.com/files/1036679/60156586225.pdf
- https://site-1044009.mozfiles.com/files/1044009/jelelirasediwodunoniro.pdf
- https://cdn.shopify.com/s/files/1/0481/8881/7562/files/61233950187.pdf
- https://cdn.shopify.com/s/files/1/0434/3840/7845/files/wosutobagiko.pdf
- https://cdn.shopify.com/s/files/1/0483/4207/3507/files/ozark_trail_pro_angler_12_upgrades.pdf
- https://cdn.shopify.com/s/files/1/0437/4387/1128/files/tazokifosuxiburav.pdf
- https://cdn.shopify.com/s/files/1/0484/9241/3090/files/quaide_azam_university_admission.pdf
- https://cdn.shopify.com/s/files/1/0484/4106/5630/files/begedazupe.pdf
- https://cdn.shopify.com/s/files/1/0482/2636/9690/files/convert_char_to_int_javascript.pdf
- https://cdn.shopify.com/s/files/1/0478/7503/1206/files/22152502749.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=1787758843&P2=404&P3=2&P4=fUIUt4fvAF5tW0hMs4rtALZCTcP3sp5hPBeJMXEXI7GiPB6HIHJRkVF74XEI0ySMwi75Xv%2fxe%2b00WlQKrKeAOw%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
Embedded domains
- gettraff.ru
- site-1048186.mozfiles.com
- site-1037221.mozfiles.com
- site-1036679.mozfiles.com
- site-1044009.mozfiles.com
- cdn.shopify.com
- n.io
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.148.114.188
- 51.116.253.168
- 4.150.223.115
- 4.207.44.67
- 52.110.12.33
- 4.230.171.124
- 4.155.94.229
- 74.179.77.204
- 4.150.223.98
- 52.123.129.14
- 72.153.5.130
- 203.26.79.13
- 20.42.179.204
- 92.223.78.30
- 172.217.25.163
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report