SUSPICIOUS — nefima.pdf
SUSPICIOUS — nefima.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (58/100). 2 of 50 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
74e4e9c2a8986f4c811b2d9fbb9b82e0812200c96049f6024cc9b486c74c7bbe - SHA-1:
e571aba96e62d641b7dbf2bd4723ebc748026939 - MD5:
618e5655ef092c7b2f15e3e7ea02fc76 - ssdeep:
768:sgGzpDVYh06FKOXuOlUSpYqxXixrNDadmLIC6VKEft:pGFROuO6yYqxXEB22I1Lt - TLSH:
T1EC31AEF30097DE8C7E8AAF236EBA14596149C788213396B054C87B6CC47C6ED6E548B1 - Submitted as: nefima.pdf
- File type: pdf · Size: 42195 bytes
- Verdict: suspicious (58/100)
Detections (2 of 50 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The suspicious score of 58/100 is the fusion of 4 weighted signals:
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/8fdc806f-96cc-4f68-9d5a-780b3bf29c38/16769728243.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/wb?keyword=rex%2084%20fema%20camp%20martial%20law%20plan, https://uploads.strikinglycdn.com/files/8fdc806f-96cc-4f68-9d5a-780b3bf29c38/16769728243.pdf, https://uploads.strikinglycdn.com/files/d0edd45d-8679-4a89-93f3-11ac8fc304d8/91541849279.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
Dynamic analysis
No runtime behaviour was captured for this sample, so the analysis above is static only. That is a limit of this run rather than evidence the sample does nothing.
Embedded URLs
- https://cctraff.ru/wb?keyword=rex%2084%20fema%20camp%20martial%20law%20plan
- https://uploads.strikinglycdn.com/files/8fdc806f-96cc-4f68-9d5a-780b3bf29c38/16769728243.pdf
- https://cdn.shopify.com/s/files/1/0496/2815/1959/files/45340460144.pdf
- https://uploads.strikinglycdn.com/files/d0edd45d-8679-4a89-93f3-11ac8fc304d8/91541849279.pdf
- https://uploads.strikinglycdn.com/files/d7213395-c0c6-4389-93c3-debaa79dd0ee/lukatugudozabegibe.pdf
- https://uploads.strikinglycdn.com/files/b016a812-338a-459a-9e43-6a4eb5e22432/kapusonilevepuk.pdf
- https://cdn.shopify.com/s/files/1/0504/8998/3136/files/77037350408.pdf
- https://cdn-cms.f-static.net/uploads/4379722/normal_5f8c04f7ea392.pdf
- https://uploads.strikinglycdn.com/files/f4116add-62b5-485e-b140-7595fe795e23/gajotoxuduwelolaxabakun.pdf
- https://uploads.strikinglycdn.com/files/3ce8d0a5-1276-42b1-a031-6c1385886228/litepizufuguwixonipovit.pdf
- https://s3.amazonaws.com/xuzed/87049283967.pdf
- https://s3.amazonaws.com/tibanepoxilibud/online_learning_management_system.pdf
- https://uploads.strikinglycdn.com/files/0731f2c2-72d4-478d-ae44-50ca0c1943d6/25707922309.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/
Embedded domains
- cctraff.ru
- uploads.strikinglycdn.com
- cdn.shopify.com
- cdn-cms.f-static.net
- s3.amazonaws.com
- www.w3.org
- purl.org
- ns.adobe.com
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report