MALICIOUS — normal_5f87c8595d791.pdf
MALICIOUS — normal_5f87c8595d791.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:
5236322fb5cad0c921ce78b0dd3a55d98d46221fbfb68460ecfcd989d510ed9e - SHA-1:
43726c376a6d8deb9ae1f2aef4265de9eda7b41c - MD5:
8549bd5d64503c7a806eacbd0808c197 - ssdeep:
768:4gGzpDEe5UC0w+bFdgnVrlAhR5CBRXlWp6BF/P1N826g5CCX5u5yGVZaLK:VGFwemuXlYy31NlCCJudVZaLK - TLSH:
T14A328EF31097ED8C7A8B9B83ADEA0198A58BC7497132A75054C87A6CC5BC5FD7F01620 - Submitted as: normal_5f87c8595d791.pdf
- File type: pdf · Size: 46316 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 21 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://cdn-cms.f-static.net/uploads/4367305/normal_5f8751e1da592.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/123?keyword=smart+pss+manual+fran%25C3%25A7ais, https://cdn-cms.f-static.net/uploads/4369322/normal_5f87c53704453.pdf, https://cdn-cms.f-static.net/uploads/4366319/normal_5f879c4dc9399.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 (14 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9726 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
- 250.255.255.239.in-addr.arpa
- _dosvc._tcp.local
- 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
- desktop-hsgcbep
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
d0c23e966cf45a3017f7666f0e4baebeeaa81503c91e05fb3ee94b6777b5f0ce - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\be5202bc6a2daf96d8d057410d5e70b7.png -
b4d9ad72baeb3efbf84772be89ae57669b970bcf764c49cc2bb008a4da38873c - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=smart+pss+manual+fran%25C3%25A7ais
- https://cdn-cms.f-static.net/uploads/4369322/normal_5f87c53704453.pdf
- https://cdn-cms.f-static.net/uploads/4366319/normal_5f879c4dc9399.pdf
- https://cdn-cms.f-static.net/uploads/4367305/normal_5f8751e1da592.pdf
- https://cdn-cms.f-static.net/uploads/4365659/normal_5f877255d4633.pdf
- https://cdn-cms.f-static.net/uploads/4365620/normal_5f87a144dcb54.pdf
- https://cdn.shopify.com/s/files/1/0434/3493/4429/files/terraria_guide_book.pdf
- https://cdn.shopify.com/s/files/1/0437/7313/2957/files/linear_inequalities_in_two_variables_word_problems_worksheet_with_answers.pdf
- https://uploads.strikinglycdn.com/files/05fd3bc0-e0c5-43d0-9a35-9b276ef64cd5/sowagifumatol.pdf
- https://uploads.strikinglycdn.com/files/bbdae2ed-f800-4c69-86fd-51e4c7699fae/lesuderizasezes.pdf
- https://uploads.strikinglycdn.com/files/027b7113-8788-4968-bc8d-559256fa6afc/defozefizodovejusosu.pdf
- https://cdn.shopify.com/s/files/1/0433/9544/8988/files/great_valley_school_district_calendar.pdf
- https://cdn.shopify.com/s/files/1/0431/7652/5984/files/white_linen_perfume_price.pdf
- https://cdn.shopify.com/s/files/1/0484/1193/4878/files/at_intersections_your_scan_should_be.pdf
- https://cdn.shopify.com/s/files/1/0437/0222/3013/files/79744426104.pdf
- https://cdn-cms.f-static.net/uploads/4365639/normal_5f87051cc2a75.pdf
- https://cdn-cms.f-static.net/uploads/4366339/normal_5f8732b2a1f87.pdf
- https://site-1036909.mozfiles.com/files/1036909/vovupoxilivuzat.pdf
- https://site-1039426.mozfiles.com/files/1039426/21632240976.pdf
- https://site-1042448.mozfiles.com/files/1042448/vukasirotoxuwini.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/
Embedded domains
- cctraff.ru
- cdn-cms.f-static.net
- cdn.shopify.com
- uploads.strikinglycdn.com
- site-1036909.mozfiles.com
- site-1039426.mozfiles.com
- site-1042448.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 74.179.77.204
- 52.168.117.174
- 172.172.255.216
- 4.150.223.104
- 40.79.141.153
- 20.184.175.8
- 20.184.175.14
- 20.3.4.127
- 52.110.12.40
- 57.155.101.212
- 4.230.171.124
- 20.42.65.90
- 20.76.201.171
- 52.123.129.14
- 40.99.133.242
- 72.145.35.103
- 203.26.79.13
- 57.155.104.224
- 92.223.78.30
- 20.42.65.85
- 172.178.240.162
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report