MALICIOUS — pekanakakob.pdf
MALICIOUS — pekanakakob.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (86/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
fc7b8d5e7132782dd94fa2170d6683a1cdd49ff43ab44a46675d98ec0ba7cf85 - SHA-1:
8038ab2ae202d7819e9f8717397bcccfd956d84c - MD5:
2a6adb6b45ee107f6f169f5abcf51e2c - ssdeep:
768:/gGzpDxp6dUZbI1Aa5BBRViC0ftrTKwoCenXCiILGR:IGFdp60QNnViC0fJGwofCiILGR - TLSH:
T1A1309EF36493ED8C7E82AB43AEB60015A149D3892132977459CC7B6CC4BC5FDAF11862 - Submitted as: pekanakakob.pdf
- File type: pdf · Size: 38832 bytes
- Verdict: malicious (86/100)
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 86/100 is the fusion of 7 weighted signals:
- Memory forensics: 5 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 4964) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 15 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/ba634c99-b0d0-40f2-b0e9-0362f1748e2b/59034170705.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=rags+to+riches+book+pdf+download, https://uploads.strikinglycdn.com/files/ba634c99-b0d0-40f2-b0e9-0362f1748e2b/59034170705.pdf, https://uploads.strikinglycdn.com/files/1df8a7c7-13c6-42fe-8e05-235ee470d7d3/jibufitujinofirijobos.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 (17 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9777 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
- 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
- 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
- desktop-hsgcbep
- ntp.ubuntu.com
- 255.255.254.169.in-addr.arpa
- 79.243.254.169.in-addr.arpa
- 250.255.255.239.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
9a94cd0430b37e547dd108ee9626fad5017954f51e42184f9b009c47809a9359 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\d974430894639522dbcaea6f6795451d.png -
65c0db602ebc5b8ea675edd613a511c20fd1947e1eb6e40d990c1e0b28e20813 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=rags+to+riches+book+pdf+download
- https://uploads.strikinglycdn.com/files/ba634c99-b0d0-40f2-b0e9-0362f1748e2b/59034170705.pdf
- https://uploads.strikinglycdn.com/files/1df8a7c7-13c6-42fe-8e05-235ee470d7d3/jibufitujinofirijobos.pdf
- https://uploads.strikinglycdn.com/files/961f4811-496c-407f-9391-c2df768648cd/xibugadazadomowuw.pdf
- http://files.mrsobriensdistancelearningliteracylink.com/uploads/1/3/1/4/131438353/8184962.pdf
- http://gefefuk.carolinagreenindustrynetwork.com/uploads/1/3/1/4/131406806/kogotewijutuj.pdf
- http://files.continuingeducationconsortium.org/uploads/1/3/1/3/131398360/61792f9848b0edb.pdf
- http://files.spice-grind.com/uploads/1/3/1/4/131453348/269379.pdf
- http://files.westabytreeservice.com/uploads/1/3/1/4/131407148/zirav-sojotukaxuze.pdf
- https://uploads.strikinglycdn.com/files/318c84f4-6e98-4301-a309-9f50c1218e7f/15471640713.pdf
- https://uploads.strikinglycdn.com/files/b2188706-6c5f-4c05-a1d1-09566f114bcb/5188808262.pdf
- https://uploads.strikinglycdn.com/files/c1aa8e1c-f692-4b63-ae4f-425465e117f3/vafigebilinizeni.pdf
- https://uploads.strikinglycdn.com/files/a3d128ad-a912-43d3-b39b-c4c45d532d26/xevuxubuvutonutofu.pdf
- https://uploads.strikinglycdn.com/files/2a3e2f50-eb75-4d49-81c4-01139a3f6f2a/sewifovu.pdf
- https://uploads.strikinglycdn.com/files/09fb92f5-c588-4acf-aa99-237498ebe35c/jugakaros.pdf
- https://uploads.strikinglycdn.com/files/86f1190b-cfbd-473e-a902-d16a222a7ab7/48171086522.pdf
- https://uploads.strikinglycdn.com/files/c056dd12-be53-4683-b116-88872a72158c/jikoripati.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/
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Embedded domains
- cctraff.ru
- uploads.strikinglycdn.com
- files.mrsobriensdistancelearningliteracylink.com
- gefefuk.carolinagreenindustrynetwork.com
- files.continuingeducationconsortium.org
- files.spice-grind.com
- files.westabytreeservice.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.184.175.3
- 172.172.255.217
- 135.233.95.144
- 20.42.65.90
- 52.110.12.32
- 4.230.171.124
- 4.144.132.114
- 135.232.92.97
- 135.232.92.137
- 74.178.76.44
- 203.26.79.13
- 51.11.192.49
- 92.223.78.30
- 4.209.250.170
- 20.42.73.26
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report