MALICIOUS — normal_5fd799b31ce61.pdf
MALICIOUS — normal_5fd799b31ce61.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 4 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
61c4e49c58309b42d15f5abe8f9a87956cf30fdec83b8ef90c98b169c71e47f4 - SHA-1:
bb8fbbe2eb99a5aab36da4ed65de4f666709cf79 - MD5:
620ef90a7cfaf73e79ab5324918f3dc5 - ssdeep:
1536:kB7aKRExJUSzenTtg1+Dw5oVnabYkEY8nUiWMgw7:0aKSxe5dGoZMCUiL3 - TLSH:
T15336D0F361A7EC4CB64B9F636DBA2529A049D2CC3461E7618084771CC4FC2BD3E65912 - Submitted as: normal_5fd799b31ce61.pdf
- File type: pdf · Size: 66540 bytes
- Verdict: malicious (98/100)
Detections (4 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- ClamAV (daily): Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- 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-d2568dad23a94d95-d2568dad23a94d95-10044375-0 (rule
Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0) - engine signal, weight 0.90, confidence 0.95 - Embedded link rated malicious by URL analysis: https://uploads.strikinglycdn.com/files/f459f518-beb8-4753-a0ad-e222faf39363/starting_out_with_c_9th_edition_an.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 16 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://trafffi.ru/123?utm_term=assassin%2527s+creed+odyssey+old+flames+burn+brighter+release+date, https://uploads.strikinglycdn.com/files/f459f518-beb8-4753-a0ad-e222faf39363/starting_out_with_c_9th_edition_an.pdf, https://uploads.strikinglycdn.com/files/44df7547-b91e-4f65-bcba-b4643645c4e9/hyllus_diardi_for_sale.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 (12 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9773 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
- 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
- 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
- 252.0.0.224.in-addr.arpa
- ntp.ubuntu.com
- WORKGROUP
- 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\768eaf3481028610b88a1b74afa12352.png -
0390617796380a2d45f7ff1bdd1de989695ebfa043ca81cba404701c2690882d - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
1d3f4313df0e578a9f2f416acbf422a540f124447771470babbe98ed2bd4ff6c - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://trafffi.ru/123?utm_term=assassin%2527s+creed+odyssey+old+flames+burn+brighter+release+date
- https://uploads.strikinglycdn.com/files/f459f518-beb8-4753-a0ad-e222faf39363/starting_out_with_c_9th_edition_an.pdf
- https://uploads.strikinglycdn.com/files/44df7547-b91e-4f65-bcba-b4643645c4e9/hyllus_diardi_for_sale.pdf
- https://uploads.strikinglycdn.com/files/ce774a58-c812-4983-b4a3-20dede854cf1/80249156940.pdf
- https://uploads.strikinglycdn.com/files/b59e5525-62d1-4bec-9536-f78db14a4a95/ralagujevuravipovazinis.pdf
- https://static1.squarespace.com/static/5fc06ecff7cf8c75402886b4/t/5fc7d62aca81f31e47bcfcfb/1606932011043/wajanewamijitafinaw.pdf
- https://uploads.strikinglycdn.com/files/70c3c38f-5a00-4fd7-9e34-77aa9f50eb4a/kebekekafowawigaves.pdf
- https://uploads.strikinglycdn.com/files/244c9fdb-4049-4c20-a61a-7ce65b42a367/6686870328.pdf
- https://uploads.strikinglycdn.com/files/9702b23a-89df-4a81-a19d-5c0d73bc3a7c/thou_shalt_not_die.pdf
- https://cdn-cms.f-static.net/uploads/4369779/normal_5fa659ed976de.pdf
- https://uploads.strikinglycdn.com/files/c14c9ce6-e093-49ba-8d1e-0c3e60c94df2/blue_star_quality_fishing_nets.pdf
- https://uploads.strikinglycdn.com/files/0c199b6e-7736-4255-acbe-5cf9819da074/fosotokufofosuxufizoja.pdf
- https://uploads.strikinglycdn.com/files/503d4397-78c7-4046-bf86-47f23cee47cb/cursive_tracing_sheets.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
- 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
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787729424&P2=404&P3=2&P4=aHktJ0fgpn3EguyQwmKsLc106n2kVG41cOBt4zWMVBrsk%2bYLRyQhKFRCFQnfwoZ7rK9AA2I3dGD2H9jz6D2TYQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Embedded domains
- trafffi.ru
- uploads.strikinglycdn.com
- static1.squarespace.com
- cdn-cms.f-static.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 72.154.7.104
- 52.123.252.239
- 4.150.223.110
- 52.110.12.56
- 52.110.12.10
- 20.247.184.197
- 4.230.171.124
- 52.168.117.175
- 20.76.201.171
- 52.123.129.14
- 74.178.240.61
- 20.165.94.46
- 135.234.160.244
- 203.26.79.13
- 92.223.78.30
- 4.150.223.106
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report