MALICIOUS — hmrc_tax_credits_number.pdf
MALICIOUS — hmrc_tax_credits_number.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:
c8ba02f7a6cbe90ae86ce7a5673efee1b793c1f17943435c4ea591860cae13dc - SHA-1:
7d8ac27fb6d380371ecf63392a1201178ade8005 - MD5:
6a5929bb6172dc33ec900b56a6740ec2 - ssdeep:
1536:yRC8MoZdfK2sDm6D1wjRPse1ju+v0kEvgDOqCGB5MGv0mqWeSq:4XLHCm6ejN1jua03CbB5MGvpqWo - TLSH:
T13137D0F3519BCE8CAA828B53BAFA141DA55DC6C82532DB54548CB62CC43C63D7E20E61 - Submitted as: hmrc_tax_credits_number.pdf
- File type: pdf · Size: 70687 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://static.s123-cdn-static.com/uploads/4469852/normal_5fca14ee3821c.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 21 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://trafftec.ru/strik?utm_term=hmrc+tax+credits+number, https://static1.squarespace.com/static/5fc5c7509698b02c7f421fcb/t/5fd006d3d2669313d1bad0dd/1607468756714/kekadijajovafupu.pdf, https://static1.squarespace.com/static/5fc141a05687f52b6b83892d/t/5fc5053ff3de5e49b50346a2/1606747455387/freshwater_moray_eel_feeding.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 (4 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9724 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
- c.pki.goog
- ntp.ubuntu.com
- desktop-hsgcbep
- 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=1787775832&P2=404&P3=2&P4=mrlXuB%2fjm5IDiFo2aHRR6LHEndbbzbNU6v0IWquIyNLhDGTToL7FDIxJf4VA%2bkJBdDos8zse3E0Flx3hMRjUQA%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
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787775881&P2=404&P3=2&P4=TC2XpxTaTNqjQyioZR9A6E32NLDztBZ2YM%2fLNy%2beZGtJgFmUdGCeKMXInN7iyqQt6AE3Be%2f5neaT8jnAmis8CA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\c7b01a820e238cbe6d47edbe62e715f2.png -
a63777b6dcec99429e8fa95b665971f0fc0175c1f92427258756c5bfa2e87d8e - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
9e16f3982e4591e5cc0fd87072e351f24e9be3021ddddfc26ab48218daea8440 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://trafftec.ru/strik?utm_term=hmrc+tax+credits+number
- https://static1.squarespace.com/static/5fc5c7509698b02c7f421fcb/t/5fd006d3d2669313d1bad0dd/1607468756714/kekadijajovafupu.pdf
- https://s3.amazonaws.com/setikizo/report_on_demonetisation_in_india.pdf
- https://static1.squarespace.com/static/5fc141a05687f52b6b83892d/t/5fc5053ff3de5e49b50346a2/1606747455387/freshwater_moray_eel_feeding.pdf
- https://cdn-cms.f-static.net/uploads/4423732/normal_5fb8dc7e27d6b.pdf
- https://s3.amazonaws.com/nerugiraxura/how_to_quote_dialogue_apa.pdf
- https://s3.amazonaws.com/zizene/tedemuziv.pdf
- https://s3.amazonaws.com/muvevanepen/16764610966.pdf
- https://s3.amazonaws.com/felasorarabipis/60256128481.pdf
- https://uploads.strikinglycdn.com/files/75319809-51e6-4d42-b4bc-50e49161b169/10906813693.pdf
- https://static.s123-cdn-static.com/uploads/4469852/normal_5fca14ee3821c.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=1787775832&P2=404&P3=2&P4=mrlXuB%2fjm5IDiFo2aHRR6LHEndbbzbNU6v0IWquIyNLhDGTToL7FDIxJf4VA%2bkJBdDos8zse3E0Flx3hMRjUQA%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
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787775881&P2=404&P3=2&P4=TC2XpxTaTNqjQyioZR9A6E32NLDztBZ2YM%2fLNy%2beZGtJgFmUdGCeKMXInN7iyqQt6AE3Be%2f5neaT8jnAmis8CA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://c.pki.goog/r/gsr1.crl
Embedded domains
- trafftec.ru
- static1.squarespace.com
- s3.amazonaws.com
- cdn-cms.f-static.net
- uploads.strikinglycdn.com
- static.s123-cdn-static.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 40.84.97.4
- 172.66.2.5
- 52.168.112.66
- 20.247.185.124
- 52.110.12.53
- 4.230.171.124
- 57.155.104.224
- 135.233.95.135
- 135.232.92.137
- 52.123.128.14
- 40.99.133.210
- 40.99.134.2
- 52.123.252.212
- 72.153.5.128
- 203.26.79.13
- 20.165.94.46
- 20.42.72.131
- 85.210.193.152
- 142.251.42.99
- 48.200.63.27
- 52.148.114.188
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report