MALICIOUS — 37691844259.pdf
MALICIOUS — 37691844259.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (72/100). 2 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
54ca87a423474a4bdc0623d809c222be3154adcaaffb9551e0835873c68e4ce6 - SHA-1:
1e35aadef721a8dc7266cf79291e334387b2f990 - MD5:
0a510e194087375682dc0b1ca6ca2c26 - ssdeep:
768:RgGzpDFQ2ZkBiKyEd/wnJWWd3BGslKFEWN+7M6F/Hs5DVdD0aptG:iGF5VflKFkLhAbDdPG - TLSH:
T1D432AFF315A7EC883B87E703ADAB01596149C78D7132EB64448D3B2DC5B89BCBE10961 - Submitted as: 37691844259.pdf
- File type: pdf · Size: 43545 bytes
- Verdict: malicious (72/100)
Detections (2 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- 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 13 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/fff7e7f0-061c-4d8e-8e00-8609e94b2a5e/78493260501.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=pdf+editor+software+free+online, https://uploads.strikinglycdn.com/files/fff7e7f0-061c-4d8e-8e00-8609e94b2a5e/78493260501.pdf, https://uploads.strikinglycdn.com/files/01fe8653-77c0-44cd-af22-5b060511a1e9/312276240.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 (5 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9808 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
- 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
- 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._dosvc._tcp.local
- desktop-hsgcbep(1)._dosvc._tcp.local
- desktop-hsgcbep
- desktop-hsgcbep(2)._dosvc._tcp.local
- ntp.ubuntu.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\e91c31d1f822c40b8c8870c58d99ede6.png -
6a54b3b442b9723fd908d59be936cb7070e1e7c9ebdd459ae772b3bc2e059aeb - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
50a3de84ceb6a455e58f9cd67e393f0900b897c08abcabfcfd8fea2b9c87487e - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=pdf+editor+software+free+online
- https://uploads.strikinglycdn.com/files/fff7e7f0-061c-4d8e-8e00-8609e94b2a5e/78493260501.pdf
- https://uploads.strikinglycdn.com/files/01fe8653-77c0-44cd-af22-5b060511a1e9/312276240.pdf
- https://uploads.strikinglycdn.com/files/0c6f641b-a6f8-4b50-946e-f605ea584acc/kodekewuxisud.pdf
- https://uploads.strikinglycdn.com/files/016f46af-ee55-4404-8b75-62460358886c/40249993385.pdf
- https://cdn.shopify.com/s/files/1/0434/1845/2120/files/fundamentals_of_ecology_book_download.pdf
- https://cdn.shopify.com/s/files/1/0463/3375/5553/files/sorry_for_the_late_reply_in_chinese.pdf
- https://cdn.shopify.com/s/files/1/0434/9716/0866/files/79505509770.pdf
- https://cdn.shopify.com/s/files/1/0484/0911/6840/files/uh_manoa_transfer.pdf
- https://cdn.shopify.com/s/files/1/0479/4423/7223/files/jesus_mi_fiel_amigo_piano.pdf
- https://cdn.shopify.com/s/files/1/0437/1513/3605/files/guy_wires_or_guide_wires.pdf
- https://cdn.shopify.com/s/files/1/0431/1177/6416/files/tucker_high_school_basketball.pdf
- https://cdn.shopify.com/s/files/1/0481/5244/5079/files/salt_and_sanctuary_mad_alchemist.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=1787771432&P2=404&P3=2&P4=cu0OVFFQk2%2bduIPDK76JSf7lmD%2fJP2miEfaOO0KYbWGNNphqbYULssXjfV2hpUY0pl8%2fAqY3g16aCAhtJdZaMQ%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
- cctraff.ru
- uploads.strikinglycdn.com
- cdn.shopify.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.184.175.16
- 52.110.12.8
- 20.165.94.46
- 4.230.171.124
- 72.154.7.99
- 203.26.79.13
- 4.144.132.114
- 74.178.240.51
- 20.112.250.133
- 135.232.92.137
- 52.123.128.14
- 172.178.240.163
- 142.250.183.35
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report