SUSPICIOUS — normal_5f95a7766d671.pdf
SUSPICIOUS — normal_5f95a7766d671.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (66/100). 4 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
7b4fd243c8d624b3953e92230a01733232c24aa3fcc12770af3783b4969db0d7 - SHA-1:
7e7dae4f5e83bce506ac76853da61f811489694b - MD5:
d88d796efc0d2375aae622291006adab - ssdeep:
1536:AGFXePAhn+E3xoHdEa5eq8H7NjnQgYQN3:NFXePAB+E3Gr5AHhQP6 - TLSH:
T124338CF314A7ED8D378EAF57A9E6109A6187D3887132E7900948332CD0BC6BE3E11651 - Submitted as: normal_5f95a7766d671.pdf
- File type: pdf · Size: 51050 bytes
- Verdict: suspicious (66/100)
Detections (4 of 50 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Microsoft Defender: flagged
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): HEUR:Trojan.Script.Generic
MITRE ATT&CK
Why this verdict
The suspicious score of 66/100 is the fusion of 7 weighted signals:
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/a01793c0-ecec-4dc7-88c1-fbc14c714237/nosujimonan.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://ggtraff.ru/123?keyword=kiwi+crate+secret+agent+instructions, https://uploads.strikinglycdn.com/files/a01793c0-ecec-4dc7-88c1-fbc14c714237/nosujimonan.pdf, https://uploads.strikinglycdn.com/files/137a6b1d-b264-483b-bf6b-92774382600e/disney_emoji_blitz_reddit.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 - Contacted 13 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (17 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9645 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
- 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
- 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
- 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
- 250.255.255.239.in-addr.arpa
- desktop-hsgcbep
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- 192.168.122.109
- 23.40.52.174
- 23.11.37.157
- 172.66.2.5 US · San Francisco · AS13335 Cloudflare, Inc.
- 20.190.142.165
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\a942531ca26e7aa14d4ceac0c0de01b7.png -
dc867d2579b428094cd4a86de2778564d82b6338e751a1d7a3ebe11e42331782 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
505a37ddd4d5508e59eb58ca37db7bfd4aa47ac04a90d6e407e30dffbcc265e8 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ggtraff.ru/123?keyword=kiwi+crate+secret+agent+instructions
- https://uploads.strikinglycdn.com/files/a01793c0-ecec-4dc7-88c1-fbc14c714237/nosujimonan.pdf
- https://uploads.strikinglycdn.com/files/137a6b1d-b264-483b-bf6b-92774382600e/disney_emoji_blitz_reddit.pdf
- https://uploads.strikinglycdn.com/files/dfd32fb9-cbf7-4a9e-8159-7bd964861104/momegiwemufif.pdf
- https://cdn-cms.f-static.net/uploads/4380392/normal_5f94c92629f95.pdf
- https://cdn-cms.f-static.net/uploads/4371265/normal_5f90901a0a35c.pdf
- https://cdn-cms.f-static.net/uploads/4385437/normal_5f909eb425a54.pdf
- https://cdn-cms.f-static.net/uploads/4380522/normal_5f91fb5493293.pdf
- https://cdn-cms.f-static.net/uploads/4367290/normal_5f8960b12ecd5.pdf
- https://cdn.shopify.com/s/files/1/0481/2796/7395/files/graphic_organizer_for_persuasive_writing_3rd_grade.pdf
- https://cdn.shopify.com/s/files/1/0433/6173/0718/files/86394429923.pdf
- https://cdn.shopify.com/s/files/1/0437/1048/0533/files/jotovebo.pdf
- https://cdn.shopify.com/s/files/1/0497/1964/0225/files/11904714537.pdf
- https://cdn.shopify.com/s/files/1/0496/6458/9987/files/90757742962.pdf
- https://s3.amazonaws.com/gosete/crazy_train_pep_band.pdf
- https://s3.amazonaws.com/sugaguxagu/21177367304.pdf
- https://s3.amazonaws.com/juduk/gasinafajapakadeta.pdf
- https://uploads.strikinglycdn.com/files/3d28c547-d9ed-4ae7-9589-40f5ec288c60/pasadena_friends_meeting.pdf
- https://uploads.strikinglycdn.com/files/f92cfa23-4135-46f6-8b49-4bead3f6840c/2nd_conditional_lesson_plan.pdf
- https://uploads.strikinglycdn.com/files/ecd1fb41-821a-4c53-a3e0-40c3710b5e38/13902780228.pdf
- https://uploads.strikinglycdn.com/files/27629009-b7a1-4fe4-a0c3-d090585036d7/ketobisasikakujaj.pdf
- https://cdn.shopify.com/s/files/1/0433/7182/3262/files/what_is_a_mustang_grape.pdf
- https://cdn.shopify.com/s/files/1/0437/8188/2013/files/little_caesars_gluten_free.pdf
- https://cdn.shopify.com/s/files/1/0496/0364/1493/files/22627840117.pdf
- https://cdn.shopify.com/s/files/1/0438/1727/1453/files/example_of_petition_letter.pdf
Embedded domains
- ggtraff.ru
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- cdn.shopify.com
- s3.amazonaws.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 74.178.76.128
- 52.168.117.168
- 172.66.2.5
- 20.184.175.17
- 20.112.250.133
- 135.233.95.144
- 20.165.94.46
- 72.145.35.113
- 162.159.36.2
- 40.99.133.242
- 40.103.64.226
- 142.250.195.99
- 4.230.171.124
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report