MALICIOUS — normal_5f8930b4b6d41.pdf
MALICIOUS — normal_5f8930b4b6d41.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (84/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
799035262379680d7f9bda57d701fd7baaf3c1e5c16f8a946f067c54bf8593e7 - SHA-1:
ac480e5c5a30a395ac80c34acf697451dee8521a - MD5:
1b35fa7731b753d3be5ad80789f9f97f - ssdeep:
768:BgGzpDKp7SpuirIrOGUzgEOoHQ5Lq1qUJBxIVaEQhItk5X6wai5DCG:yGFOp7rLqdHIgRpai5DCG - TLSH:
T100329DF354A7EC4D7A8A9B03ACAB10595989D748B137EB6048DC673CD4BC2BC3E10961 - Submitted as: normal_5f8930b4b6d41.pdf
- File type: pdf · Size: 43344 bytes
- Verdict: malicious (84/100)
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 84/100 is the fusion of 6 weighted signals:
- Embedded link rated malicious by URL analysis: https://cdn-cms.f-static.net/uploads/4365646/normal_5f870e22494f5.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 17 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://ggtraff.ru/123?keyword=annotate+and+summarize+pdf, https://cdn-cms.f-static.net/uploads/4370746/normal_5f890e6a78bfe.pdf, https://cdn-cms.f-static.net/uploads/4369310/normal_5f87ce3e50279.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 (7 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9938 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
- 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
- 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
- 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\sumatrapdfcache\603966ff32d931d995aac1c879728c67.png -
6b585e563d1fa7efcf8b85e51316248b40993efd980390c0f6addf45433f507f - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
ee2c3a77e7248c50857539639bad6ff7ab9f3b59aef5ba371f22e46fdfbd1f41 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ggtraff.ru/123?keyword=annotate+and+summarize+pdf
- https://cdn-cms.f-static.net/uploads/4370746/normal_5f890e6a78bfe.pdf
- https://cdn-cms.f-static.net/uploads/4369310/normal_5f87ce3e50279.pdf
- https://cdn-cms.f-static.net/uploads/4370280/normal_5f88d991ec88f.pdf
- https://cdn-cms.f-static.net/uploads/4366407/normal_5f88a4c4c0365.pdf
- https://cdn-cms.f-static.net/uploads/4365646/normal_5f870e22494f5.pdf
- https://cdn.shopify.com/s/files/1/0496/5875/7277/files/activities_to_teach_vocabulary_in_english.pdf
- https://cdn.shopify.com/s/files/1/0500/2520/1817/files/es_file_explorer_pro_v1.1.4.1_cracked_apk.pdf
- https://cdn.shopify.com/s/files/1/0500/1111/1579/files/twin_peaks_elementary.pdf
- https://cdn.shopify.com/s/files/1/0485/1181/1739/files/19591532568.pdf
- https://cdn.shopify.com/s/files/1/0495/9846/4164/files/mitonu.pdf
- https://cdn.shopify.com/s/files/1/0430/4673/1930/files/97704206608.pdf
- https://cdn.shopify.com/s/files/1/0435/6400/7585/files/dakegipugapowaxerad.pdf
- https://cdn.shopify.com/s/files/1/0496/1930/4599/files/12817201539.pdf
- https://cdn.shopify.com/s/files/1/0481/1689/1797/files/fibezuwu.pdf
- https://boguvetasitob.weebly.com/uploads/1/3/1/3/131380850/88bd66a85400a.pdf
- https://xuwuperozaposa.weebly.com/uploads/1/3/2/3/132303395/20226e9.pdf
- https://pidofuvu.weebly.com/uploads/1/3/0/7/130739764/maxugegexo.pdf
- https://fidegobopoj.weebly.com/uploads/1/3/2/8/132815019/5d095e9.pdf
- https://uploads.strikinglycdn.com/files/134a1323-4a35-4546-931c-d804c1ebb476/bakagawivis.pdf
- https://uploads.strikinglycdn.com/files/dc838716-6a4c-4f60-9b73-10032deea74f/38125528885.pdf
- https://uploads.strikinglycdn.com/files/9edb2b21-59ca-4382-93df-7d9c8d5b45c9/podavebamunabewupid.pdf
- https://uploads.strikinglycdn.com/files/8985458b-c759-492c-bbaf-d28337cb07c7/42896174372.pdf
- https://uploads.strikinglycdn.com/files/48a75b45-a887-49c4-844b-8258824f28e1/sepomaxipikasexizexotif.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
Embedded domains
- ggtraff.ru
- cdn-cms.f-static.net
- cdn.shopify.com
- boguvetasitob.weebly.com
- xuwuperozaposa.weebly.com
- pidofuvu.weebly.com
- fidegobopoj.weebly.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.42.73.25
- 172.172.255.218
- 52.178.17.234
- 52.110.12.25
- 4.230.171.124
- 52.253.84.76
- 135.233.95.144
- 72.153.5.131
- 203.26.79.13
- 20.76.201.171
- 40.103.64.242
- 4.150.223.112
- 52.123.128.14
- 20.42.65.94
- 135.234.160.246
- 20.165.94.46
- 48.199.12.1
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report