MALICIOUS — bf2bb850657013ef64adad0b4e825b55610d2c85b9b5751b537b1dfa87110974
MALICIOUS — bf2bb850657013ef64adad0b4e825b55610d2c85b9b5751b537b1dfa87110974 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 5 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
bf2bb850657013ef64adad0b4e825b55610d2c85b9b5751b537b1dfa87110974 - SHA-1:
225049f4ad04e06a0f1f883624e425dc0886580b - MD5:
38b44f60d6c744e2c9191d44e5cb242f - ssdeep:
1536:DHtecQ2DA6ExLvVFCkm2WrYkeV27TZoUt0hZWz7lQ9FjwWjONU8QCIj:rteeU6yFCraGTF4+ithjONuJ - TLSH:
T11738D0F351A7ED9CBD4A9F036EAB1A9C50DDD3887631975444C83B2C887C2AD7E50902 - Submitted as: bf2bb850657013ef64adad0b4e825b55610d2c85b9b5751b537b1dfa87110974
- File type: pdf · Size: 79077 bytes
- Verdict: malicious (98/100)
Detections (5 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- ClamAV (daily): Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Trellix Stinger (McAfee): PDF/Phish-FAB!38B44F60D6C7
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 7 weighted signals:
- ClamAV (daily) flagged Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 (rule
Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0) - engine signal, weight 0.90, confidence 0.95 - Embedded link rated malicious by URL analysis: https://static.s123-cdn-static.com/uploads/4499984/normal_5ffb9f98ade7b.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 18 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://pelibifir.ru/strik?utm_term=what+does+enduring+issues+mean, https://static.s123-cdn-static.com/uploads/4499984/normal_5ffb9f98ade7b.pdf, https://1c437d0a-cccb-4a8a-93f1-39e0b5126915.filesusr.com/ugd/b91566_d4109f1aa9d842f3871dae4baf13cf54.pdf?index=true - 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 (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9617 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
- 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
- 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
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://203.26.79.13/filestreamingservice//files/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\095a90a19a99b3ac6668e42dfbf6f9fd.png -
74fa2d6222e8363c3fca5d12d9f80ca5a083a86970e1d7a406bb1587ae9f978e - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
7922c9bcec54c8f5056486cfbf063ac7aa911a022c2381fea52958f6a0d7e1bc - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://pelibifir.ru/strik?utm_term=what+does+enduring+issues+mean
- https://static.s123-cdn-static.com/uploads/4499984/normal_5ffb9f98ade7b.pdf
- https://1c437d0a-cccb-4a8a-93f1-39e0b5126915.filesusr.com/ugd/b91566_d4109f1aa9d842f3871dae4baf13cf54.pdf?index=true
- https://cdn.sqhk.co/reparepoki/jeoyiez/51105923553.pdf
- https://uploads.strikinglycdn.com/files/679cf844-e22b-4718-ad8c-d6e9031ec75f/wafunub.pdf
- https://cdn.sqhk.co/bexuxoxabim/xxJjaja/color_dash_addictive_switch_color_game.pdf
- https://cdn.sqhk.co/rokijatu/ASfK1ij/mix_songs_software_for_pc.pdf
- https://uploads.strikinglycdn.com/files/beaf42a7-bc39-4648-8be4-7c3f69f9074e/97881131748.pdf
- https://cdn-cms.f-static.net/uploads/4450347/normal_604f26830be27.pdf
- https://680e7e7f-99bb-4309-8a01-ecc910dc7690.filesusr.com/ugd/717a42_39331dffa0eb4386b055de3003ea433e.pdf?index=true
- https://uploads.strikinglycdn.com/files/8f6c6738-fc03-4f1c-831a-c77310c3c192/how_to_change_skin_in_minecraft_cracked_1.15.2.pdf
- https://cdn.sqhk.co/letaziseb/icdhcjb/idle_crafting_kingdom.pdf
- https://uploads.strikinglycdn.com/files/25b6392b-a7ae-4193-a9d3-28e2b7e5c6e9/xuduvagovonof.pdf
- https://uploads.strikinglycdn.com/files/d8b7e66e-23b7-4b5b-9078-eb34ba37770d/22571589065.pdf
- https://static.s123-cdn-static.com/uploads/4450147/normal_5fe43a276733b.pdf
- https://uploads.strikinglycdn.com/files/2f594d1c-0f86-448f-b6dd-7e6b2929c9c2/76077962187.pdf
- https://06ebba1c-c738-45d4-b58d-83edbdcc9420.filesusr.com/ugd/b14caa_00ab5b52f7944adaa5f46b6d32edd2da.pdf?index=true
- https://cdn-cms.f-static.net/uploads/4370066/normal_606d646a49f63.pdf
- https://uploads.strikinglycdn.com/files/207d5faa-4078-484c-aa15-ab86c1983979/is_g_shock_water_resistant.pdf
- https://uploads.strikinglycdn.com/files/0b9b85a0-807e-4e61-b038-218b1d9961e8/example_of_chronological_order_text_structure.pdf
- https://uploads.strikinglycdn.com/files/41a21bfb-36e7-4a7e-a7f5-9726820b8936/getawaduwiga.pdf
- https://cdn.sqhk.co/genopeno/Biage5d/shark_ion_x30_cordless_vacuum_reviews.pdf
- https://cdn.sqhk.co/vefusujix/gcA7ogf/52704350557.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
Embedded domains
- pelibifir.ru
- static.s123-cdn-static.com
- 1c437d0a-cccb-4a8a-93f1-39e0b5126915.filesusr.com
- cdn.sqhk.co
- uploads.strikinglycdn.com
- cdn-cms.f-static.net
- 680e7e7f-99bb-4309-8a01-ecc910dc7690.filesusr.com
- 06ebba1c-c738-45d4-b58d-83edbdcc9420.filesusr.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.42.179.192
- 52.178.17.3
- 48.211.4.16
- 52.110.12.54
- 52.110.12.16
- 52.253.84.76
- 4.230.171.124
- 20.42.73.30
- 20.112.250.133
- 135.233.95.144
- 52.123.129.14
- 74.179.71.159
- 72.145.35.104
- 203.26.79.13
- 92.223.78.30
- 172.175.111.170
- 20.42.73.31
- 57.154.63.210
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report