MALICIOUS — normal_5fbb29d8ea854.pdf
MALICIOUS — normal_5fbb29d8ea854.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:
5b3acf6f20174c1b3a4b77dbab3827b6d940a37ac09d2b4bc8754b68bdc131c0 - SHA-1:
696daf24113a82efc3a815203cb2fb3c44aa2a84 - MD5:
b3f57d3260612a16b1bdd3488b0706fe - ssdeep:
1536:Monl2AIgfp5pY9X/p/lrWru6reHhSYSngBQeeUTnHWUn9dN1k4:Jn0AIgBfY9Xx/c9eBSYSoQgZnXNl - TLSH:
T11F37D0F3B2D3EC4C6BDAEB136966191D646AC1CC6032A7A4549C363CC4B82FD2F11925 - Submitted as: normal_5fbb29d8ea854.pdf
- File type: pdf · Size: 71990 bytes
- Verdict: malicious (98/100)
Detections (4 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
- 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://uploads.strikinglycdn.com/files/75eead55-ca03-4458-995f-681437a0b353/1256810973.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 14 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://trafffi.ru/123?utm_term=practice+direct+variation+worksheet+3.4+answers, https://guxolufesa.weebly.com/uploads/1/3/4/4/134468064/1b83f245.pdf, https://pepomujotopulog.weebly.com/uploads/1/3/4/8/134873529/vumegosolebetafi.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 (6 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9685 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
- ntp.ubuntu.com
- 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=1787780804&P2=404&P3=2&P4=irBWR0sRVq4uBvzBwf%2bs2JRxYwjkjtM68uoUNoamWB25Oo3vBK6cHFRxdpsXBSn5JNdn6orkkQ1DGy3ZJfPBDg%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=1787780853&P2=404&P3=2&P4=ShJDsOkw3r5WVRJQaL7%2b1R4BpqmcgRG0B%2bcyncZ7QGGy9Ht31PQGyNLGjYCOg%2fxb8a9pVy4xaa1i9PdDU%2bDL1g%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/b56480f9-8215-4de7-ba7e-8e690088d21d/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\7432754070771411a1829e6a8087791e.png -
155f0692ce5d62482dc6d59a9b0444bba2e0d847ae7ecf25cc5a0f79a829d2bf - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
f36e6740631480eaea47b565251e3cc52f2428465722bc101d2fde0759657a2e - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://trafffi.ru/123?utm_term=practice+direct+variation+worksheet+3.4+answers
- https://guxolufesa.weebly.com/uploads/1/3/4/4/134468064/1b83f245.pdf
- https://pepomujotopulog.weebly.com/uploads/1/3/4/8/134873529/vumegosolebetafi.pdf
- https://lupakekurusope.weebly.com/uploads/1/3/4/6/134652685/kewukimuruwesos.pdf
- https://cdn-cms.f-static.net/uploads/4417519/normal_5faad5e1227aa.pdf
- https://zewosesivate.weebly.com/uploads/1/3/4/5/134591998/gulavawimin.pdf
- https://cdn-cms.f-static.net/uploads/4384164/normal_5f9c40384a6cd.pdf
- https://s3.amazonaws.com/setaxilitozuko/unc_pembroke_transcript_request_form.pdf
- https://uploads.strikinglycdn.com/files/75eead55-ca03-4458-995f-681437a0b353/1256810973.pdf
- https://ratopavitakam.weebly.com/uploads/1/3/4/4/134460251/sewetagujomoxexinuwo.pdf
- https://latenenagizogip.weebly.com/uploads/1/3/2/6/132696064/xagiperogimatu.pdf
- https://cdn-cms.f-static.net/uploads/4369922/normal_5f980b566ac6d.pdf
- https://cdn-cms.f-static.net/uploads/4452599/normal_5fa86b8f430b6.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=1787780804&P2=404&P3=2&P4=irBWR0sRVq4uBvzBwf%2bs2JRxYwjkjtM68uoUNoamWB25Oo3vBK6cHFRxdpsXBSn5JNdn6orkkQ1DGy3ZJfPBDg%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
- guxolufesa.weebly.com
- pepomujotopulog.weebly.com
- lupakekurusope.weebly.com
- cdn-cms.f-static.net
- zewosesivate.weebly.com
- s3.amazonaws.com
- uploads.strikinglycdn.com
- ratopavitakam.weebly.com
- latenenagizogip.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 52.110.12.15
- 20.165.94.54
- 4.230.171.124
- 20.76.201.171
- 74.179.77.204
- 72.145.35.108
- 203.26.79.13
- 52.123.128.14
- 40.103.64.242
- 172.178.240.163
- 20.42.179.204
- 40.79.163.155
- 172.170.180.133
- 20.42.65.88
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report