MALICIOUS — guravi.pdf
MALICIOUS — guravi.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (72/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
224243e0b3fc08439b5490582a9c982ffae794f56d528ba1e011643720bae5c0 - SHA-1:
0f1c97e89be256b1406885682f41c31535fa4648 - MD5:
dbbe9501cd940851018f3eec4e608d99 - ssdeep:
768:XgGzpDxyOsbq1WwZHiM4UFT/miGk5ePVbqR2RCMcvmMt1mKMaU1kvWva67Ttl:wGFFxsCYUR/miwIm5Ba6ntl - TLSH:
T12D32ADF31567DD8E7A87AB8369A60244B04996CD3132DAA049D87B3CC1BC4FDBF11522 - Submitted as: guravi.pdf
- File type: pdf · Size: 47287 bytes
- Verdict: malicious (72/100)
Detections (3 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Microsoft Defender: flagged
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The malicious score of 72/100 is the fusion of 6 weighted signals:
- Contacted 26 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/c5127817-145c-4081-ae34-c4f1b9033ac3/wozavefowofikime.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://gettraff.ru/strik?keyword=calculo+e+administra%25C3%25A7%25C3%25A3o+de+medicamentos+na+enfermagem+martinari+pdf, https://uploads.strikinglycdn.com/files/c5127817-145c-4081-ae34-c4f1b9033ac3/wozavefowofikime.pdf, https://uploads.strikinglycdn.com/files/5e3abd80-758e-42d8-8693-91839190972b/72131285730.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 (7 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9698 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
- 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
- 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
- 252.0.0.224.in-addr.arpa
- 250.255.255.239.in-addr.arpa
- desktop-hsgcbep
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\49936d27f50e658c07ce8ceca36ece34.png -
f478882cabda6b454ea3752b03aa6eb6b9b6888c2e5263c50ef29269e3ca134d - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
1be2113bfd18d24595a3e7b39d7187373925c1619415c85d94da5d0618b2e6f1 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/strik?keyword=calculo+e+administra%25C3%25A7%25C3%25A3o+de+medicamentos+na+enfermagem+martinari+pdf
- https://uploads.strikinglycdn.com/files/c5127817-145c-4081-ae34-c4f1b9033ac3/wozavefowofikime.pdf
- https://uploads.strikinglycdn.com/files/5e3abd80-758e-42d8-8693-91839190972b/72131285730.pdf
- https://uploads.strikinglycdn.com/files/390caefc-10c0-4833-b06c-dad1d55e2910/30009489832.pdf
- https://uploads.strikinglycdn.com/files/8bdde268-7ff2-4b45-89b6-cebc89b37c22/13304062944.pdf
- https://cdn.shopify.com/s/files/1/0435/0682/7428/files/measures_of_variability.pdf
- https://cdn.shopify.com/s/files/1/0437/8106/2805/files/2000_nissan_sentra_repair_manual.pdf
- https://cdn.shopify.com/s/files/1/0482/9239/7217/files/wefikoxo.pdf
- https://cdn.shopify.com/s/files/1/0477/9438/9151/files/how_does_baker_valve_gear_work.pdf
- https://cdn.shopify.com/s/files/1/0483/8860/4061/files/kaluti.pdf
- https://cdn.shopify.com/s/files/1/0480/8677/8013/files/tattoo_practice_skin_brown.pdf
- https://cdn.shopify.com/s/files/1/0492/2756/3164/files/luxarakagil.pdf
- https://cdn.shopify.com/s/files/1/0433/5029/4687/files/gisafogonemobuf.pdf
- https://site-1036632.mozfiles.com/files/1036632/99285234199.pdf
- https://site-1040437.mozfiles.com/files/1040437/ginesidepebevidevodufado.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
Embedded domains
- gettraff.ru
- uploads.strikinglycdn.com
- cdn.shopify.com
- site-1036632.mozfiles.com
- site-1040437.mozfiles.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.165.94.63
- 172.172.255.217
- 13.89.179.12
- 52.168.117.168
- 135.233.45.221
- 52.168.112.67
- 135.232.92.34
- 85.210.196.11
- 52.110.12.5
- 20.165.94.46
- 4.144.132.223
- 172.215.188.225
- 4.230.171.124
- 85.210.193.152
- 203.26.79.13
- 52.230.60.54
- 74.179.77.164
- 135.232.92.137
- 20.76.201.171
- 52.123.129.14
- 74.179.77.204
- 135.234.160.246
- 172.217.25.195
- 92.223.78.30
- 48.200.63.27
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report