MALICIOUS — normal_5f8c131f56d7c.pdf
MALICIOUS — normal_5f8c131f56d7c.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (82/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
8c01326491160d18f7ce88a8b9ed5c1274bdd82879c7e01d67fc18228bab27a7 - SHA-1:
262a4f045fb5bbc102d4008f273b85855a1af49d - MD5:
15b45fd54148218c2b80f6a03987a479 - ssdeep:
768:mgGzpDaeMIrf/nicydYxVG9ZCT/vQwSzg/ImkCOQDPS9mbhMB4U7:zGF+eXvQJ0/ImwQDa9mbeB4U7 - TLSH:
T10E317CF350A7DD4D7A87EF036DEB2069A08ED7486132DBA4449C772CC0BC6AD6E11960 - Submitted as: normal_5f8c131f56d7c.pdf
- File type: pdf · Size: 40519 bytes
- Verdict: malicious (82/100)
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 82/100 is the fusion of 6 weighted signals:
- Memory forensics: 4 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 3524) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 19 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://ttraff.ru/123?keyword=balluff+proximity+switch+pdf, https://uploads.strikinglycdn.com/files/b3f1c5e8-04aa-4d80-88d3-dd87c23e10c6/jelajafozubituxejukud.pdf, https://uploads.strikinglycdn.com/files/20145c4c-200f-4b5b-927a-37fd29b50201/safepelog.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 (16 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9721 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
- 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
- ntp.ubuntu.com
- 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\b7aef724d94b59de145dda11cf42c37f.png -
91848eae5058d3a61f4002d2e3710a7195fe9c87ca3b8d33df4b92d943d47255 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
8deea9fdb911ead79b19db157a2b2b9bae5bc78941193de0187a8522df620e98 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ttraff.ru/123?keyword=balluff+proximity+switch+pdf
- https://uploads.strikinglycdn.com/files/b3f1c5e8-04aa-4d80-88d3-dd87c23e10c6/jelajafozubituxejukud.pdf
- https://uploads.strikinglycdn.com/files/20145c4c-200f-4b5b-927a-37fd29b50201/safepelog.pdf
- https://uploads.strikinglycdn.com/files/57430b00-d311-4a7e-b0d9-3dbc7bf43692/fitalelase.pdf
- https://uploads.strikinglycdn.com/files/a16a9349-5ab1-4826-a960-5a33da4b5946/69298256675.pdf
- https://cdn-cms.f-static.net/uploads/4365606/normal_5f88ee1f8ed43.pdf
- https://cdn-cms.f-static.net/uploads/4366366/normal_5f8a49d345f4c.pdf
- https://cdn-cms.f-static.net/uploads/4365539/normal_5f87d6bd77a35.pdf
- https://cdn-cms.f-static.net/uploads/4378151/normal_5f89ef2a700ab.pdf
- https://cdn-cms.f-static.net/uploads/4373301/normal_5f88dae806dac.pdf
- https://cdn-cms.f-static.net/uploads/4366385/normal_5f8ac10ddcbfb.pdf
- https://cdn.shopify.com/s/files/1/0438/6727/5424/files/69512191066.pdf
- https://cdn.shopify.com/s/files/1/0428/0408/4899/files/85002922667.pdf
- https://cdn.shopify.com/s/files/1/0501/6358/1090/files/what_is_the_first_step_in_the_policy_making_process.pdf
- https://cdn.shopify.com/s/files/1/0430/7556/7770/files/razor_dirt_quad_battery.pdf
- https://cdn-cms.f-static.net/uploads/4368768/normal_5f87e8cbd7488.pdf
- https://cdn-cms.f-static.net/uploads/4365551/normal_5f87189d6bddc.pdf
- https://cdn-cms.f-static.net/uploads/4369926/normal_5f8bcc4e944d7.pdf
- https://cdn-cms.f-static.net/uploads/4365626/normal_5f8718cfb6286.pdf
- https://uploads.strikinglycdn.com/files/0ff49fca-c499-49a4-9555-b35aa0ebc1d1/nitimixozetijexos.pdf
- https://uploads.strikinglycdn.com/files/10e57e2f-036d-4c95-ac19-18ee3fffd881/40795786408.pdf
- https://uploads.strikinglycdn.com/files/7c8138e7-97e6-4ebe-bec3-27c4b83b0092/94875045115.pdf
- https://uploads.strikinglycdn.com/files/261cb479-5584-42f7-bfec-633b3b2b6f59/45879600767.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
Embedded domains
- ttraff.ru
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- cdn.shopify.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 74.178.76.128
- 162.159.142.9
- 4.144.132.114
- 52.110.12.24
- 4.230.171.124
- 4.247.188.233
- 135.232.92.137
- 20.42.65.84
- 52.123.129.14
- 40.99.133.226
- 135.233.45.222
- 52.123.252.243
- 72.145.35.107
- 203.26.79.13
- 52.123.252.212
- 20.165.94.46
- 20.42.65.88
- 172.175.111.170
- 52.148.114.188
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report