MALICIOUS — a_very_special_christmas_vol_1.pdf
MALICIOUS — a_very_special_christmas_vol_1.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:
5c2f7714f241fe8969c3636eb680b89acb4a2c49c693b44b2179eeacdc6df404 - SHA-1:
f7b5c89d601c45eae314f830db4089a0e50ce022 - MD5:
772bff2e32eb7efe579c65676aeb14d4 - ssdeep:
768:CgGzpDzjpesUhwr4mxhrmTuOt4C62LQ2nwjGvbgXpsByCZMFMql9H+R8CYINZaF/:fGFTpeVOGzfWFMc988V0MF/AeF - TLSH:
T1C6307CF34093ED5C7B8B6B03AD9B145A968AC78D9133DA50458C6B2CD1BC6ED3E10A60 - Submitted as: a_very_special_christmas_vol_1.pdf
- File type: pdf · Size: 39011 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 17 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://cdn-cms.f-static.net/uploads/4365582/normal_5f8750164e8d0.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=a+very+special+christmas+vol+1, https://uploads.strikinglycdn.com/files/1800b5f3-0582-4ed7-8e23-ac85161e8bfc/zagikexaxitap.pdf, https://uploads.strikinglycdn.com/files/23795bb9-0e2d-4fa2-b5d6-040a4ec17314/loxadovidezijuzikuvuru.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 (12 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9696 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
- 79.243.254.169.in-addr.arpa
- 255.255.254.169.in-addr.arpa
- 250.255.255.239.in-addr.arpa
- ntp.ubuntu.com
- 251.0.0.224.in-addr.arpa
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\c34852c8f2c2cc02e4e62e7763b0dfe0.png -
625fed8b770ceaaeb351badf0c21f15a32597f242302756f487a831d538f347b - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
4fda8885ac0996df36ec50113e7d3dcbffcaf34d0e3b0e751a08f3c2d9324fbe - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=a+very+special+christmas+vol+1
- https://uploads.strikinglycdn.com/files/1800b5f3-0582-4ed7-8e23-ac85161e8bfc/zagikexaxitap.pdf
- https://uploads.strikinglycdn.com/files/23795bb9-0e2d-4fa2-b5d6-040a4ec17314/loxadovidezijuzikuvuru.pdf
- https://uploads.strikinglycdn.com/files/5ad399c8-d895-4db2-9f67-3682b1fa803e/71519835896.pdf
- https://uploads.strikinglycdn.com/files/427cb4c4-3113-48eb-b3b4-36cc729f21fc/3019926299.pdf
- https://uploads.strikinglycdn.com/files/ce321072-a8c2-48b1-a35a-aace71880b08/21640370807.pdf
- https://uploads.strikinglycdn.com/files/829c89b5-f899-4d82-8436-233671332a20/59380398899.pdf
- https://cdn-cms.f-static.net/uploads/4365582/normal_5f8750164e8d0.pdf
- https://cdn-cms.f-static.net/uploads/4367294/normal_5f8787bca528a.pdf
- https://cdn-cms.f-static.net/uploads/4366004/normal_5f89ebfb743d8.pdf
- https://cdn-cms.f-static.net/uploads/4368223/normal_5f8ba1fb2c182.pdf
- https://cdn-cms.f-static.net/uploads/4368222/normal_5f87d706081ad.pdf
- https://cdn.shopify.com/s/files/1/0268/8906/0551/files/intercessory_prayer_manual.pdf
- https://cdn.shopify.com/s/files/1/0268/7847/6475/files/delisum.pdf
- https://cdn.shopify.com/s/files/1/0434/9257/3336/files/59670621545.pdf
- https://cdn.shopify.com/s/files/1/0496/1841/9876/files/pesigipobapulawimika.pdf
- https://cdn.shopify.com/s/files/1/0432/5251/4979/files/manuel_rivera_trinitario.pdf
- https://cdn.shopify.com/s/files/1/0438/6642/3456/files/exam_cram_nclex_rn_practice_questions.pdf
- https://cdn.shopify.com/s/files/1/0497/6050/1921/files/teks_pembukaan_uud_1945_untuk_upacara.pdf
- https://cdn.shopify.com/s/files/1/0485/0673/2699/files/golds_gym_xrs_50_workout_plan.pdf
- https://cdn.shopify.com/s/files/1/0497/1518/3777/files/android_studio_git_pull_not_working.pdf
- https://cdn.shopify.com/s/files/1/0434/9231/1206/files/80722689488.pdf
- https://cdn.shopify.com/s/files/1/0461/0877/0467/files/majezixone.pdf
- https://cdn.shopify.com/s/files/1/0482/6739/5236/files/hp_photosmart_premium_printer_c309g_manual.pdf
- https://cdn.shopify.com/s/files/1/0479/6914/0892/files/reflexiones_de_la_vida_cortas.pdf
Embedded domains
- cctraff.ru
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- cdn.shopify.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.218
- 4.207.44.68
- 52.110.12.40
- 40.84.97.4
- 4.230.171.124
- 4.155.94.229
- 72.154.7.97
- 203.26.79.13
- 74.178.240.51
- 52.123.129.14
- 135.233.95.144
- 172.178.240.161
- 52.123.252.216
- 92.223.78.30
- 172.170.180.133
- 20.184.175.2
- 52.148.114.188
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report