MALICIOUS — b1a66a49753c8fb8de1c75b98930ee01fc24703cf52b5286a5f307d64d8a78ac
MALICIOUS — b1a66a49753c8fb8de1c75b98930ee01fc24703cf52b5286a5f307d64d8a78ac is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100). 4 of 54 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
b1a66a49753c8fb8de1c75b98930ee01fc24703cf52b5286a5f307d64d8a78ac - SHA-1:
f1567d6f2eff1e35ff7839755325e23b1e2a006c - MD5:
7cf6ae9818d655528b6f40ffdac4ea90 - ssdeep:
1536:IQ+GJRHyucv2dzIH9DqvK+elpeICyDg4zuuWxApOGzWwkdFE7XeHD:p+WRW2JIsKeICyDg2u73G8dgS - TLSH:
T12037C0F36287DD4C378B9B0367BB11A9A54AD3496121DFA480D8B63C857C9BCBF00A41 - Submitted as: b1a66a49753c8fb8de1c75b98930ee01fc24703cf52b5286a5f307d64d8a78ac
- File type: pdf · Size: 71492 bytes
- Verdict: malicious (99/100)
Detections (4 of 54 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 99/100 is the fusion of 10 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://www.rt9.rspo.org/ckfinder/userfiles/files/57167266299.pdf - network signal, weight 0.70, confidence 0.80
- Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule
PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged HEUR:Hoax.PDF.Phish.gen (rule
HEUR:Hoax.PDF.Phish.gen) - engine signal, weight 0.55, confidence 0.85 - MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule
high-entropy-blob) - engine signal, weight 0.35, confidence 0.70 - Embedded network infrastructure: https://catamma.ru/uplcv?utm_term=how+does+ethnocentrism+differ+from+cultural+relativism, https://tutorsbureau.net/userfiles/file/zuxixub.pdf, http://kawana.tech/userfiles/file/56252592320.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
- Contacted 10 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
- Extracted generic config (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
945 behavior events · 0 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- 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/89c77c08-6078-44b6-8f27-85720154df65/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/89c77c08-6078-44b6-8f27-85720154df65?P1=1788044761&P2=404&P3=2&P4=QS%2bFtS4Brrzzt9r5c%2f0K9GANJvCUGveWEFwONC4OO88ow8CqIzLH5NODvSYcRyDq0Izl7PFg56ErfrdFUK9CJw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- 23.40.52.209
- 23.11.37.157
- 20.190.167.66
- 52.123.252.226 AU · Sydney · AS8075 Microsoft Corporation
- 23.33.238.178
- 4.230.171.124 KR · Seoul · AS8075 Microsoft Corporation
- 23.33.238.171
- 52.253.84.76 SG · Singapore · AS8075 Microsoft Corporation
- 20.184.175.8 US · San Jose · AS8075 Microsoft Corporation
- 52.182.141.63 US · Des Moines · AS8075 Microsoft Corporation
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://catamma.ru/uplcv?utm_term=how+does+ethnocentrism+differ+from+cultural+relativism
- https://tutorsbureau.net/userfiles/file/zuxixub.pdf
- http://kawana.tech/userfiles/file/56252592320.pdf
- http://terralis.eu/catalogue_dynamique/file/lisexat.pdf
- https://vaitinhdien.com/app/webroot/upload/files/78019429395.pdf
- http://silver1979.com/upload/file/7530722925.pdf
- https://mobilaide.com/upload/editor/file/mozubokojiriterilizetew.pdf
- https://www.rt9.rspo.org/ckfinder/userfiles/files/57167266299.pdf
- http://4reality.cz/userfiles/files/28480349118.pdf
- https://matras-matrasych96.ru/admin/ckfinder/userfiles/files/zudobilezaneruvoziponudat.pdf
- https://hgindustrial.eu/userfiles/files/33656190806.pdf
- http://papianiarch.it/userfiles/files/22945352859.pdf
- http://wingmanresearch.com/userfiles/files/palel.pdf
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/16154198d84bf7---joruwujuviditalarafo.pdf
- http://perchegouet.com/ckfinder/userfiles/files/ruzeduvitog.pdf
- http://scoutpate.de/userfiles/file/68556155221.pdf
- https://annekienlen.fr/imagesfile/21974142194.pdf
- https://eghamatsafar.ir/basefile/eghamatsafar/files/11881471097.pdf
- http://precisao.org/files/files/wekef.pdf
- https://saatyapi.com/upload/ckfinder/files/73809904340.pdf
- http://lj-group.cn/upload/files/nexuram.pdf
- http://thepokeluau.com/uploads/files/tikifidu.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/
Embedded domains
- catamma.ru
- tutorsbureau.net
- kawana.tech
- terralis.eu
- vaitinhdien.com
- silver1979.com
- mobilaide.com
- www.rt9.rspo.org
- matras-matrasych96.ru
- hgindustrial.eu
- papianiarch.it
- wingmanresearch.com
- slowjamsundays.com
- perchegouet.com
- scoutpate.de
- annekienlen.fr
- eghamatsafar.ir
- precisao.org
- saatyapi.com
- lj-group.cn
- thepokeluau.com
- www.w3.org
- purl.org
- ns.adobe.com
- 4reality.cz
Embedded IP addresses
- 4.207.44.72
- 52.123.252.226
- 4.230.171.124
- 52.253.84.76
- 20.184.175.8
- 52.182.141.63
- 135.232.92.34
- 203.26.79.13
- 52.123.252.236
- 20.89.1.8
File paths
- J:\KW
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report