MALICIOUS — 74636769282.pdf
MALICIOUS — 74636769282.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (84/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
4eb9926754a5156c4fa321d530ed3b9f926e2abbeab98387373201d32fb2bd7f - SHA-1:
8373429c90426ee45aa5eb0799ef5e5ff6c48abc - MD5:
34049476de136bba943169d9bad34a95 - ssdeep:
768:FgGzpD0xwBKnCmETIvwdvjS3Wgvyw+WIc5MTHYTiJCHePP1vLG230U4cd:WGF4RCrS3WPHWIpcThHenxLG230U4cd - TLSH:
T1AB33AEF350A7DC9C77CAAF03ADBA1058A142DB9C2026967065C8372CC57C6FDAF20A51 - Submitted as: 74636769282.pdf
- File type: pdf · Size: 50755 bytes
- Verdict: malicious (84/100)
Detections (3 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): UDS:Trojan.PDF.SBadur.gen
MITRE ATT&CK
Why this verdict
The malicious score of 84/100 is the fusion of 6 weighted signals:
- Embedded link rated malicious by URL analysis: https://uploads.strikinglycdn.com/files/11389ef6-48f5-486e-b021-d68dc6f9d4a2/13475937024.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://cctraff.ru/strik?keyword=life+cycle+of+basidiomycetes+pdf, https://uploads.strikinglycdn.com/files/11389ef6-48f5-486e-b021-d68dc6f9d4a2/13475937024.pdf, https://uploads.strikinglycdn.com/files/d60a2cc7-b5c7-4897-bc2a-949cd301d210/22236623350.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)
9862 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
- 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
- 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
- 250.255.255.239.in-addr.arpa
- 252.0.0.224.in-addr.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
- desktop-hsgcbep
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\e0bbc484ea6b1003b1cec45ecd3513d7.png -
81977527d1e365e5414ad5593dd79d4366a856587659f463dc6a07b72bbc24c5 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
0c76cfd6eeb53923979c57abc40136926e439b719a18fbc712df250c43bd4ca9 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=life+cycle+of+basidiomycetes+pdf
- https://uploads.strikinglycdn.com/files/11389ef6-48f5-486e-b021-d68dc6f9d4a2/13475937024.pdf
- https://uploads.strikinglycdn.com/files/d60a2cc7-b5c7-4897-bc2a-949cd301d210/22236623350.pdf
- https://uploads.strikinglycdn.com/files/6ba386a3-2f8b-473f-81dd-c5166218a616/45698517943.pdf
- https://cdn.shopify.com/s/files/1/0434/5207/2088/files/41956522963.pdf
- https://cdn.shopify.com/s/files/1/0432/2318/7614/files/sikuxore.pdf
- https://cdn.shopify.com/s/files/1/0435/6784/1443/files/balesifejoduzuxasowidi.pdf
- https://cdn.shopify.com/s/files/1/0433/4528/1183/files/certificate_template_google_docs.pdf
- https://uploads.strikinglycdn.com/files/5a5a4f2b-af1e-4830-bb3d-be374d3f6955/pofaxomobi.pdf
- https://uploads.strikinglycdn.com/files/269ea1f2-8151-438e-b3a1-419284ad603f/dataxavu.pdf
- https://uploads.strikinglycdn.com/files/0438bd57-639a-40b1-8515-12f89219e151/44735477069.pdf
- https://cdn.shopify.com/s/files/1/0478/0169/6415/files/goxifo.pdf
- https://cdn.shopify.com/s/files/1/0478/0074/6143/files/muturazebofoweso.pdf
- https://cdn.shopify.com/s/files/1/0431/7341/3032/files/asplenia_funcional.pdf
- https://cdn.shopify.com/s/files/1/0437/6290/9335/files/79411264504.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
- cctraff.ru
- uploads.strikinglycdn.com
- cdn.shopify.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.217
- 52.110.12.18
- 52.110.12.42
- 52.250.34.200
- 4.230.171.124
- 20.42.179.204
- 203.26.79.13
- 135.232.92.137
- 74.178.240.51
- 20.231.239.246
- 4.150.223.110
- 52.123.129.14
- 135.234.160.244
- 52.168.112.67
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report