SUSPICIOUS — 626ab0a7bec9.pdf
SUSPICIOUS — 626ab0a7bec9.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (68/100), attributed to the REvil family. 3 of 50 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
6a7e5f16e1c60d385bfd45f423678e386190d094db3d02bf3308e22ea96bcb5c - SHA-1:
5d0546ae5854edc49cbfa8b5143a3ea7950d53c0 - MD5:
50c4a6f1e6266ee5440206c224afc209 - ssdeep:
768:pgGzpDvpfQ9XyuWCVzwecAMTr4x3PMkaMTVhB3L4riAU3gX9gHOxRUHPrnCTwAee:KGFTpufMyVhNLiiAt9gHOxR4Pb/93lCV - TLSH:
T1FF319EF3245BED4CBBC38B03ADAA259A648CE68C6137D760459C672CC5BC5BC7E00961 - Submitted as: 626ab0a7bec9.pdf
- File type: pdf · Size: 42576 bytes
- Verdict: suspicious (68/100) · Family: REvil
Detections (3 of 50 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- YARA: Trellix/McAfee ATR: ATR_REvil_Sodinokibi
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The suspicious score of 68/100 is the fusion of 5 weighted signals:
- YARA: Trellix/McAfee ATR flagged ATR_REvil_Sodinokibi (rule
ATR_REvil_Sodinokibi) - engine signal, weight 0.35, confidence 0.70 - Embedded link rated suspicious by URL analysis: https://vikumeniwexawud.weebly.com/uploads/1/3/0/9/130969440/7e32fe89259db10.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://gettraff.ru/wb?keyword=ms%20office%202013%20standard%20iso%20download, https://cdn-cms.f-static.net/uploads/4369903/normal_5f8c10060e309.pdf, https://cdn-cms.f-static.net/uploads/4366388/normal_5f87f3ff3c8d9.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://gettraff.ru/wb?keyword=ms%20office%202013%20standard%20iso%20download
- https://cdn-cms.f-static.net/uploads/4369903/normal_5f8c10060e309.pdf
- https://cdn-cms.f-static.net/uploads/4366388/normal_5f87f3ff3c8d9.pdf
- https://cdn-cms.f-static.net/uploads/4365606/normal_5f874bbb3278e.pdf
- https://vikumeniwexawud.weebly.com/uploads/1/3/0/9/130969440/7e32fe89259db10.pdf
- https://sakuvajavabese.weebly.com/uploads/1/3/1/3/131383602/2088346.pdf
- https://cdn-cms.f-static.net/uploads/4366956/normal_5f8bb8ea32bfc.pdf
- https://cdn-cms.f-static.net/uploads/4366351/normal_5f871919b0f34.pdf
- https://cdn-cms.f-static.net/uploads/4381788/normal_5f8b786384509.pdf
- https://cdn.shopify.com/s/files/1/0429/9109/1875/files/58661138420.pdf
- https://cdn.shopify.com/s/files/1/0434/9480/1568/files/79219065081.pdf
- https://cdn.shopify.com/s/files/1/0494/6667/1271/files/breville_rice_cooker_manual_brc200.pdf
- https://cdn.shopify.com/s/files/1/0498/6080/4770/files/jewel_hands_lyrics_youtube.pdf
- https://cdn.shopify.com/s/files/1/0478/1791/6575/files/future_progressive_tense_exercises_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0495/6566/3384/files/fowagusafub.pdf
- https://cdn.shopify.com/s/files/1/0266/9458/2462/files/jezopi.pdf
- https://cdn-cms.f-static.net/uploads/4367640/normal_5f8acafbc4b98.pdf
- https://cdn-cms.f-static.net/uploads/4367919/normal_5f87f5d6ba0d1.pdf
- https://cdn-cms.f-static.net/uploads/4377400/normal_5f8a6b197777d.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
- gettraff.ru
- cdn-cms.f-static.net
- vikumeniwexawud.weebly.com
- sakuvajavabese.weebly.com
- cdn.shopify.com
- www.w3.org
- purl.org
- ns.adobe.com
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report