MALICIOUS — normal_5f871bd175c8f.pdf
MALICIOUS — normal_5f871bd175c8f.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:
eb57e75331ae1cbb74e38160789fee451a134e395b81eca4eeef93f99522e63e - SHA-1:
22350427a55192cddd1a221ef405c6cf70c09d5a - MD5:
d4b3c184e5ce616c38b0d2e73f8f9e13 - ssdeep:
768:zLgGzpD6p3RiUtCN2akYzESp4Ezs5WGpJ8+zdCv7NSFMN/GpIziatbj3Fvwq/bgV:QGFWp3IU0N2+ESVQ5H/zSFjKqqnTgchv - TLSH:
T1A7329EF350A7EC8C7B8E5F07AEAA10995189D78860369360159C732CD5BC9FE3F10A60 - Submitted as: normal_5f871bd175c8f.pdf
- File type: pdf · Size: 47557 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/4365636/normal_5f86fe85904d7.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 21 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/123?keyword=ap+stylebook+2020+pdf, https://cdn-cms.f-static.net/uploads/4366022/normal_5f8708afcea14.pdf, https://cdn-cms.f-static.net/uploads/4365636/normal_5f86fe85904d7.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 (8 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9715 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
- ntp.ubuntu.com
- 252.0.0.224.in-addr.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
- 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
- 250.255.255.239.in-addr.arpa
- 255.255.254.169.in-addr.arpa
- 79.243.254.169.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\35d9f33880ec2b979ec157bba58e67da.png -
8b560425cdde27c9a41f0771083bc06630b688aa5b96107ce291f45199f69455 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
15dfce57b2967be5ed525e65d2a92ade2de553003c2f619c14b784d90b0f4040 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/123?keyword=ap+stylebook+2020+pdf
- https://cdn-cms.f-static.net/uploads/4366022/normal_5f8708afcea14.pdf
- https://cdn-cms.f-static.net/uploads/4365636/normal_5f86fe85904d7.pdf
- https://cdn-cms.f-static.net/uploads/4366042/normal_5f870ae3b3a52.pdf
- https://cdn-cms.f-static.net/uploads/4366017/normal_5f8703590d3d4.pdf
- https://cdn.shopify.com/s/files/1/0480/6308/6756/files/mugixa.pdf
- https://cdn.shopify.com/s/files/1/0431/8543/8883/files/number_theory_proofs.pdf
- https://mojivimimujovo.weebly.com/uploads/1/3/0/8/130874437/sujikuw.pdf
- https://tavumake.weebly.com/uploads/1/3/2/7/132740551/9639254.pdf
- https://cdn.shopify.com/s/files/1/0480/5863/0308/files/sertraline_davis_drug_guide_plus.pdf
- https://cdn.shopify.com/s/files/1/0480/0993/7045/files/schoolyard_ecology_lab_exploring_biodiversity_answers.pdf
- https://cdn.shopify.com/s/files/1/0428/5703/7990/files/flash_player_new_pro_apk.pdf
- https://cdn.shopify.com/s/files/1/0498/5549/6347/files/fefimaf.pdf
- https://cdn.shopify.com/s/files/1/0483/4168/0281/files/24936051677.pdf
- https://uploads.strikinglycdn.com/files/9a37339f-ec0c-4330-aa4f-66cbad4a48f8/xamavi.pdf
- https://uploads.strikinglycdn.com/files/b83332f6-f9f6-4a91-8667-63abc05ec054/viloberitasikevunezapefe.pdf
- https://uploads.strikinglycdn.com/files/18cf13d3-9b25-4b16-9ea1-2a111d751948/83179618989.pdf
- https://fekudumubaf.weebly.com/uploads/1/3/2/6/132681201/5761154.pdf
- https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/9276785.pdf
- https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/83905a54a030772.pdf
- https://mojivimimujovo.weebly.com/uploads/1/3/0/8/130874437/xokav.pdf
- https://jawowigo.weebly.com/uploads/1/3/0/7/130774982/jerugoka_javun_ronulavotijogif.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/
Embedded domains
- cctraff.ru
- cdn-cms.f-static.net
- cdn.shopify.com
- mojivimimujovo.weebly.com
- tavumake.weebly.com
- uploads.strikinglycdn.com
- fekudumubaf.weebly.com
- dutitujazekap.weebly.com
- jakedekokobara.weebly.com
- jawowigo.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.215.188.232
- 135.233.45.222
- 57.155.104.224
- 4.150.223.102
- 172.172.255.216
- 74.179.77.204
- 52.168.112.66
- 142.251.222.14
- 52.123.252.202
- 74.178.232.29
- 48.211.4.16
- 52.110.12.15
- 4.230.171.124
- 72.145.35.109
- 203.26.79.13
- 74.178.76.54
- 52.123.128.14
- 135.232.92.34
- 48.199.12.1
- 20.42.65.91
- 40.79.141.155
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report