MALICIOUS — 4d143e03259bd6d588e2b5040dada5f270e5596af411b5c5fea31224fe1075ff
MALICIOUS — 4d143e03259bd6d588e2b5040dada5f270e5596af411b5c5fea31224fe1075ff is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
4d143e03259bd6d588e2b5040dada5f270e5596af411b5c5fea31224fe1075ff - SHA-1:
8adf577f91d4eaf954236c8a538dfd271d0b4fa6 - MD5:
dcb76fb87fee579a6a8d480fcce14f29 - ssdeep:
768:kjBmOUsRPDzPulbOkKRtcNWrF5/j3a7JZ9p+hugCsbAONtnuCYS9f0dM/GWx:kwUJPucP28uFB5sUmJYWffeWx - TLSH:
T17E33C0F32097DE0C7B8F47435DABA6ADC98DD34894A6D691208C836DA0FCA7E7D24501 - Submitted as: 4d143e03259bd6d588e2b5040dada5f270e5596af411b5c5fea31224fe1075ff
- File type: pdf · Size: 47953 bytes
- Verdict: malicious (98/100)
Detections (3 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- ClamAV (daily): Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
- 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: http://china-baby-clothes.com/d/files/gunope.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 13 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://oniceh.ru/uplcv?utm_term=photo+editor+app+android+studio, https://svarovanijelinek.cz/ckfinder/userfiles/files/babise.pdf, http://china-baby-clothes.com/d/files/gunope.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 (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
5969 behavior events · 0 ATT&CK techniques · 2 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
- 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/fa5c4269-9d03-4a47-8d97-be6931f0b22c/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/fa5c4269-9d03-4a47-8d97-be6931f0b22c?P1=1787881879&P2=404&P3=2&P4=XNuJSsXvpzfeRu2pa3JUESVtMxyhoJy8RObHz2Ex4sHf84uYr3QMZ8wLnO8SW3H44PMcNUhORW4i7PvGq5tjkg%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=1787881955&P2=404&P3=2&P4=kxUiqaVgncZS1QmPaNso%2flEGpQ0gDeZ6soy9Hac06OtHgy4MHtO7ZUgIlZOKGNYQ6N9rDR44xTmDwLquzBFxRg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://c.pki.goog/r/gsr1.crl
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
9cb52477319b08a37676e9ec3402a99f5a5efeb80598d1bf5d022ce691518e95 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://oniceh.ru/uplcv?utm_term=photo+editor+app+android+studio
- https://svarovanijelinek.cz/ckfinder/userfiles/files/babise.pdf
- http://china-baby-clothes.com/d/files/gunope.pdf
- http://tokstar.com/_UploadFile/Images/file/pukimexetepemolufajowa.pdf
- http://grafosaleservice.cz/images/fck_editor/file/36379241862.pdf
- http://www.louisianarebarcontractor.com/editorimg/file/zivedijo.pdf
- http://master-br.ru/img/file/19983644462.pdf
- http://www.travelwithtaangoo.com/img/file/74405324278.pdf
- http://marchmont.ru/imgs/file/25762368717.pdf
- http://agilesolutions.in/uploads/nifafufexejetamigug.pdf
- https://sardiniagreencoast.com/userfiles/file/vonasukowogamufokipap.pdf
- https://www.znackakvality.info/files/14803524311.pdf
- http://ccforum.kr/uploads/file/1630787534.pdf
- http://parmalab.it/userfiles/files/2854838473.pdf
- https://vnycc.com/userfiles/file/43929106180.pdf
- https://cuisinescartier.ca/upload/editor/file/vudedino.pdf
- http://kazuma.ru/ckfinder/userfiles/files/18778509150.pdf
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ef4f6055f6---julutoma.pdf
- https://diamond-marketing.cz/soubory/1630426089.pdf
- http://villabrown.it/userfiles/files/79325961059.pdf
- http://geasit.it/userfiles/files/34885950100.pdf
- https://www.theoakshealthcare.com/my_content/js/ckfinder/userfiles/files/73989655989.pdf
- http://commandhousecreations.com/uploads/files/wulafuvamesuduvexesaxi.pdf
- http://ex2010.com/uploadfile/file/2021091519214773499.pdf
- http://fobosgrunt.ru/files/ckfinder/files/gemupibevo.pdf
Embedded domains
- oniceh.ru
- china-baby-clothes.com
- tokstar.com
- www.louisianarebarcontractor.com
- master-br.ru
- www.travelwithtaangoo.com
- marchmont.ru
- agilesolutions.in
- sardiniagreencoast.com
- www.znackakvality.info
- ccforum.kr
- parmalab.it
- vnycc.com
- cuisinescartier.ca
- kazuma.ru
- www.onekaddy.com
- villabrown.it
- geasit.it
- www.theoakshealthcare.com
- commandhousecreations.com
- ex2010.com
- fobosgrunt.ru
- kystar.net
- svarovanijelinek.cz
- grafosaleservice.cz
Embedded IP addresses
- 51.104.15.252
- 52.123.252.242
- 20.42.179.192
- 52.110.12.26
- 4.230.171.124
- 135.232.92.137
- 52.182.143.212
- 20.184.175.17
- 52.123.129.14
- 135.233.95.80
- 72.145.35.97
- 203.26.79.13
- 52.148.114.188
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report