SUSPICIOUS — lafuximojexa.pdf
SUSPICIOUS — lafuximojexa.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (68/100). 3 of 50 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
92b89d81c1566c481413332f9708baad1127b9b27e9954677337dd239a4fc359 - SHA-1:
e50816af0ba3512bd4680d2237cff65b665b6f0b - MD5:
2a5c59608176cafd783e7ba39deafb4a - ssdeep:
768:MgGzpDMpymUp163B8l/0/uaz1mKb9WFJpxMKgBYa4AX6rqU:JGFYpKLNJpgz4AX6rqU - TLSH:
T17C308DF35097EC8C3A8FAB07ADBA156C5049CB4D6037DA6008887B6CD4BCABD7E14561 - Submitted as: lafuximojexa.pdf
- File type: pdf · Size: 35852 bytes
- Verdict: suspicious (68/100)
Detections (3 of 50 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): UDS:Trojan.PDF.SBadur.gen
MITRE ATT&CK
Why this verdict
The suspicious score of 68/100 is the fusion of 6 weighted signals:
- Contacted 8 external host(s) at runtime (2 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://cctraff.ru/wb?keyword=worldcard%20pro%20software, https://cdn.shopify.com/s/files/1/0504/4204/3561/files/rakesh_yadav_7300_book.pdf, https://cdn.shopify.com/s/files/1/0499/4279/0298/files/dorland_medical_dictionary_free_download.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 - Extracted generic config (16 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9711 behavior events · 1 ATT&CK techniques · 3 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- searchapp.bundleassets.example
- inference.location.live.net
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- 79.243.254.169.in-addr.arpa
- 255.255.254.169.in-addr.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
- 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
- desktop-hsgcbep
- 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\SumatraPDF-settings.txt -
736d0b788bbad60c3da3a7195e9d5cc5ac9955023558e304a79885729f35b1a4 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\b5995db7f77da1289b145b64b0b9b25e.png -
268fc810b2a88b84dacbf4d1c95f5a90de9dc99e5b3055ba95d24f4ff5bfd319 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/wb?keyword=worldcard%20pro%20software
- https://s3.amazonaws.com/henghuili-files/azure_devops_documentation.pdf
- https://s3.amazonaws.com/susopuzupure/bavapub.pdf
- https://s3.amazonaws.com/gupuso/jekupo.pdf
- https://cdn.shopify.com/s/files/1/0504/4204/3561/files/rakesh_yadav_7300_book.pdf
- https://cdn.shopify.com/s/files/1/0499/4279/0298/files/dorland_medical_dictionary_free_download.pdf
- https://cdn-cms.f-static.net/uploads/4369769/normal_5f89bf9e28549.pdf
- https://cdn-cms.f-static.net/uploads/4365626/normal_5f8b664b9a098.pdf
- https://cdn-cms.f-static.net/uploads/4368500/normal_5f89e45bb03da.pdf
- https://cdn-cms.f-static.net/uploads/4384167/normal_5f8cefe934c85.pdf
- https://cdn-cms.f-static.net/uploads/4368266/normal_5f8e07904a238.pdf
- https://cdn.shopify.com/s/files/1/0503/6480/9373/files/tekken_3_weebly.com_apk_game.pdf
- https://cdn.shopify.com/s/files/1/0502/7961/2578/files/62911236917.pdf
- https://cdn.shopify.com/s/files/1/0482/8486/0578/files/piaget_vs_vygotsky_chart.pdf
- https://cdn.shopify.com/s/files/1/0431/3923/5997/files/74825393634.pdf
- https://cdn.shopify.com/s/files/1/0483/4692/3171/files/82172933296.pdf
- https://cdn.shopify.com/s/files/1/0438/2441/4882/files/integer_scaling_problems_year_4_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0433/9567/8359/files/vegolokugoz.pdf
- https://cdn.shopify.com/s/files/1/0431/9870/9917/files/ib_history_internal_assessment_sample_microeconomics.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/
- http://ns.adobe.com/xap/1.0/rights/
Embedded domains
- cctraff.ru
- s3.amazonaws.com
- cdn.shopify.com
- cdn-cms.f-static.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.123.252.244
- 74.178.232.29
- 135.234.160.245
- 4.230.171.124
- 203.26.79.13
- 52.123.252.203
- 20.42.179.192
- 162.159.36.2
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report