SUSPICIOUS — 9834470.pdf
SUSPICIOUS — 9834470.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (68/100). 2 of 50 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
496e782042dbd81f171033247481265d9c7d8b5b7d59edf50b8344bf0ad4afcf - SHA-1:
a9896ce480647601b560c4d15dcf2fe3ea5cce3b - MD5:
b2efeafab220a61711d587168eda5729 - ssdeep:
768:mgGzpDIpEYYZfDAoxdRruRGIe5hTr1F8Uyn0oDWE0PR8/o6G1ov8KOHoaU:zGF0poTZF8UyVDWE0Ow6G1oaHoaU - TLSH:
T15D328DF3509BDC8C7B8B9B57ACAA2558214AC388B1338B9055DC376CD4BC76CBE10561 - Submitted as: 9834470.pdf
- File type: pdf · Size: 46836 bytes
- Verdict: suspicious (68/100)
Detections (2 of 50 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 68/100 is the fusion of 6 weighted signals:
- Contacted 15 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/wb?keyword=saitek%20st290%20pro%20manual, https://cdn.shopify.com/s/files/1/0491/8309/6998/files/invisible_man_gutenberg.pdf, https://cdn.shopify.com/s/files/1/0496/0990/0184/files/pezajor.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
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90 - Extracted generic config (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9654 behavior events · 1 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
- ntp.ubuntu.com
- 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
- 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
- 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
- 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
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\da0944023dd00cd2080a2bfd4e270f68.png -
1a6c46dc9edd69432b422ea82b637f7dc10d33cc1a50fc66ef391e610423ef3c - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
77c673b2de207a463d70afd800c464144ae1553e86f89c08b5889d0d605a442f - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/wb?keyword=saitek%20st290%20pro%20manual
- https://cdn.shopify.com/s/files/1/0266/8842/2067/files/ustv_android_apk.pdf
- https://cdn.shopify.com/s/files/1/0491/8309/6998/files/invisible_man_gutenberg.pdf
- https://cdn.shopify.com/s/files/1/0496/0990/0184/files/pezajor.pdf
- https://cdn.shopify.com/s/files/1/0491/8679/9782/files/55088970205.pdf
- https://cdn.shopify.com/s/files/1/0435/5244/0479/files/vikegaf.pdf
- https://xojisige.weebly.com/uploads/1/3/1/6/131637148/dolunabijosim.pdf
- https://dejolezeg.weebly.com/uploads/1/3/2/8/132815968/b4ab5e6.pdf
- https://kokexofagisukop.weebly.com/uploads/1/3/2/7/132710589/6878224.pdf
- https://sakuvida.weebly.com/uploads/1/3/0/7/130775714/ronefaleb-japometowubig-ravagugulani.pdf
- https://xubikorapaja.weebly.com/uploads/1/3/4/3/134335605/4718662.pdf
- https://tavumake.weebly.com/uploads/1/3/2/7/132740551/5448760.pdf
- https://uploads.strikinglycdn.com/files/215e20c8-8eb4-4eff-a554-36f318ae8711/etapas_de_la_niez.pdf
- https://uploads.strikinglycdn.com/files/18e26fc2-bb9d-421f-b110-9fa0921464d9/2591752476.pdf
- https://cdn-cms.f-static.net/uploads/4369494/normal_5f8c8fabbf009.pdf
- https://cdn-cms.f-static.net/uploads/4383132/normal_5f9532ebc7b8d.pdf
- https://cdn-cms.f-static.net/uploads/4376371/normal_5f89eba43cd7d.pdf
- https://cdn-cms.f-static.net/uploads/4365598/normal_5f8759cac0eeb.pdf
- https://cdn-cms.f-static.net/uploads/4366033/normal_5f88b06c05155.pdf
- https://cdn-cms.f-static.net/uploads/4411944/normal_5f93c4d30247e.pdf
- https://cdn-cms.f-static.net/uploads/4366018/normal_5f910d0928674.pdf
- https://cdn-cms.f-static.net/uploads/4370068/normal_5f8b4e7152cb0.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/
Embedded domains
- cctraff.ru
- cdn.shopify.com
- xojisige.weebly.com
- dejolezeg.weebly.com
- kokexofagisukop.weebly.com
- sakuvida.weebly.com
- xubikorapaja.weebly.com
- tavumake.weebly.com
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 74.178.232.29
- 172.172.255.218
- 4.247.188.233
- 52.110.12.14
- 20.247.185.124
- 52.110.12.32
- 4.230.171.124
- 74.178.76.128
- 74.179.77.164
- 92.223.78.30
- 4.150.223.98
- 52.123.128.14
- 203.26.79.13
- 52.123.252.232
- 52.148.114.188
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report