MALICIOUS — normal_5f8c6a431813d.pdf
MALICIOUS — normal_5f8c6a431813d.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (82/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
f731aa2136dedd41fc74441a407520f889f062ef2799c4b05e1f3e75590ecb25 - SHA-1:
b8366d86b217472320a54ae831878a87e11a9785 - MD5:
9faa6218504f20f7895c0548794d53c8 - ssdeep:
768:BgGzpD5pujPjhTDtxkULogX8W+LEnQJIYgpNvF80p64N7XDhV:yGFVp2kSoi8W+LEnXvF80NDhV - TLSH:
T18D32BEF740ABDD8CBAD26703ACB61599518AC38C20369760049C773CC87C6FCBE119A1 - Submitted as: normal_5f8c6a431813d.pdf
- File type: pdf · Size: 45032 bytes
- Verdict: malicious (82/100)
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 82/100 is the fusion of 6 weighted signals:
- Memory forensics: 3 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 9136) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 29 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://ttraff.link/123?keyword=trofozoito+de+entamoeba+coli+pdf, https://cdn.shopify.com/s/files/1/0428/3315/0118/files/city_of_eagan_parks_and_rec.pdf, https://cdn.shopify.com/s/files/1/0501/2668/4320/files/kinazote.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)
9790 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
- 250.255.255.239.in-addr.arpa
- desktop-hsgcbep._dosvc._tcp.local
- ntp.ubuntu.com
- 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
- 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\5057adadb87bada258d9404ca0440aee.png -
49826513cd9586da91b94f1044a020edd3d63bfd8fcb71fb41ee11dae7befb38 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
6b9ce6957283eb290da33fa96f7bca8b262d518f280d6af735e30a9fc08502b8 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ttraff.link/123?keyword=trofozoito+de+entamoeba+coli+pdf
- https://cdn.shopify.com/s/files/1/0428/3315/0118/files/city_of_eagan_parks_and_rec.pdf
- https://cdn.shopify.com/s/files/1/0501/2668/4320/files/kinazote.pdf
- https://cdn.shopify.com/s/files/1/0500/1229/1264/files/222_area_code_mexico.pdf
- https://cdn.shopify.com/s/files/1/0434/7622/2118/files/virtual_dj_pro_7_manual_download.pdf
- https://uploads.strikinglycdn.com/files/234a507b-9964-4c3e-85c6-edf2255a8b5d/47692732631.pdf
- https://uploads.strikinglycdn.com/files/0e307759-ddb0-4891-a834-ef00d3960084/31914913010.pdf
- https://uploads.strikinglycdn.com/files/2f36eebc-e12f-4989-ae25-9a022c09d905/xewirubeg.pdf
- https://uploads.strikinglycdn.com/files/c9106cc8-e0ee-4b16-ae69-cf1eff6562cb/58070541008.pdf
- https://uploads.strikinglycdn.com/files/9405ced8-15b5-4b7b-9ab5-c86558c976fb/78034281569.pdf
- https://ruwopevod.weebly.com/uploads/1/3/1/3/131397973/fosiri-vasulex.pdf
- https://junoxavod.weebly.com/uploads/1/3/1/3/131384771/e541bd473.pdf
- https://cdn-cms.f-static.net/uploads/4374364/normal_5f8a036ff3a32.pdf
- https://cdn-cms.f-static.net/uploads/4366032/normal_5f88c9fa94aba.pdf
- https://sirawomaperuli.weebly.com/uploads/1/3/1/3/131398091/b612eaae80.pdf
- https://xifobosakup.weebly.com/uploads/1/3/2/8/132815359/totewojet.pdf
- https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/8742796.pdf
- https://vupimolafi.weebly.com/uploads/1/3/1/3/131398504/4296038.pdf
- https://papunagaku.weebly.com/uploads/1/3/1/3/131384156/257870745465e.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
- ttraff.link
- cdn.shopify.com
- uploads.strikinglycdn.com
- ruwopevod.weebly.com
- junoxavod.weebly.com
- cdn-cms.f-static.net
- sirawomaperuli.weebly.com
- xifobosakup.weebly.com
- mogilifus.weebly.com
- vupimolafi.weebly.com
- papunagaku.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.217
- 20.42.73.31
- 172.172.255.218
- 135.232.92.137
- 135.234.160.244
- 40.79.141.153
- 4.150.223.109
- 40.84.85.40
- 4.247.188.233
- 52.182.141.63
- 40.84.97.4
- 4.207.44.74
- 52.110.12.53
- 52.110.12.11
- 57.154.63.210
- 4.230.171.124
- 52.253.84.76
- 74.178.240.61
- 135.232.92.97
- 20.231.239.246
- 40.103.64.226
- 52.123.129.14
- 20.50.73.15
- 135.232.92.34
- 203.26.79.13
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report