MALICIOUS — normal_5f87151997292.pdf
MALICIOUS — normal_5f87151997292.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (82/100). 2 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
af004e2e0e935f60bf4f91aa0154833fac4ab049574d9d1c98b778ca2f3ed371 - SHA-1:
e8e3054b0022d6c145a44b61b6554587c96e1248 - MD5:
459d5182be3ec8276492a992e9e77c30 - ssdeep:
1536:UGF9p7Bs2/xgpmbeL4UNY35kik2XKAhbzth86Bh8NFO3zSFq:hF9pdseFbeLvuKAhHokAFOjD - TLSH:
T1C73AE0F36097DE8DBB9757139CAA255AA249C38DA13BD7501588177DC0BCBACBF00880 - Submitted as: normal_5f87151997292.pdf
- File type: pdf · Size: 92832 bytes
- Verdict: malicious (82/100)
Detections (2 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The malicious score of 82/100 is the fusion of 6 weighted signals:
- Memory forensics: 3 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 9176) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 20 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://gettraff.ru/123?keyword=nec+option+b+contract+pdf, https://site-1038375.mozfiles.com/files/1038375/30059432010.pdf, https://site-1042271.mozfiles.com/files/1042271/rogafojeso.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 (15 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9934 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
- ntp.ubuntu.com
- 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
- 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\sumatrapdfcache\161dd107278172cde4eb3b97f2d0fa27.png -
94f9a231cfc9b8dfa281c9448300b65dae895cdf4484483daed4beb138ab275b - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
ed68c4917ba0a5311c1d080d07c21bbd83170bd711ab3c2c9cee1b2f5bcf94dd - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/123?keyword=nec+option+b+contract+pdf
- https://site-1038375.mozfiles.com/files/1038375/30059432010.pdf
- https://site-1042271.mozfiles.com/files/1042271/rogafojeso.pdf
- https://site-1041091.mozfiles.com/files/1041091/43586336219.pdf
- https://uploads.strikinglycdn.com/files/97762108-5980-4adf-8166-05d946bff2ca/69121930857.pdf
- https://uploads.strikinglycdn.com/files/be224135-a430-4969-a2f9-f13c65a18495/94994236831.pdf
- https://uploads.strikinglycdn.com/files/84f6305b-9613-4119-8317-1690916a0036/18297586439.pdf
- https://cdn-cms.f-static.net/uploads/4365659/normal_5f8701041dcff.pdf
- https://cdn-cms.f-static.net/uploads/4365553/normal_5f87069020095.pdf
- https://cdn-cms.f-static.net/uploads/4366022/normal_5f86ffd0755cd.pdf
- https://cdn.shopify.com/s/files/1/0433/5042/5765/files/tavaviwixasezesixowu.pdf
- https://cdn.shopify.com/s/files/1/0482/9265/9362/files/positive_words_that_start_with_b_with_meaning.pdf
- https://cdn.shopify.com/s/files/1/0433/9659/5870/files/davis_dam_recreation_area.pdf
- https://cdn.shopify.com/s/files/1/0476/8982/6460/files/tuvafezirivadebuvodokije.pdf
- https://cdn.shopify.com/s/files/1/0479/6750/2503/files/thats_interesting_murray_s_davis.pdf
- https://site-1043080.mozfiles.com/files/1043080/66301874771.pdf
- https://site-1040358.mozfiles.com/files/1040358/85419864884.pdf
- https://site-1040042.mozfiles.com/files/1040042/retudodijodu.pdf
- https://site-1036730.mozfiles.com/files/1036730/83352912309.pdf
- https://site-1039797.mozfiles.com/files/1039797/kiwakerema.pdf
- https://site-1036625.mozfiles.com/files/1036625/4454133185.pdf
- https://site-1043447.mozfiles.com/files/1043447/zokofitopopuben.pdf
- https://site-1036786.mozfiles.com/files/1036786/dizubimumulejikokav.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
Embedded domains
- gettraff.ru
- site-1038375.mozfiles.com
- site-1042271.mozfiles.com
- site-1041091.mozfiles.com
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- cdn.shopify.com
- site-1043080.mozfiles.com
- site-1040358.mozfiles.com
- site-1040042.mozfiles.com
- site-1036730.mozfiles.com
- site-1039797.mozfiles.com
- site-1036625.mozfiles.com
- site-1043447.mozfiles.com
- site-1036786.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.42.65.89
- 74.178.76.128
- 52.123.128.14
- 4.150.223.113
- 162.159.142.9
- 20.50.201.203
- 52.110.12.26
- 52.110.12.8
- 172.215.188.225
- 4.230.171.124
- 135.233.95.144
- 52.182.141.63
- 40.99.133.210
- 135.233.95.80
- 203.26.79.13
- 52.123.252.245
- 4.150.223.97
- 48.192.143.121
- 13.89.179.15
- 52.148.114.188
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report