MALICIOUS — 88536772959.pdf
MALICIOUS — 88536772959.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 4 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
6ede92e6f90ce1d9f1325e252837cfed3aac16d154c32fb1fc60817ea636087a - SHA-1:
7a8f5eef6b1599d9ea901ded980d1177b514165a - MD5:
a450b9c8fb21c4f9af98389f2198dfa3 - ssdeep:
1536:QO/11z9BLaf4j1CnB7XzRxdI+PumkHK/cZOygVdUs:p/BBLaf5BhxdOqWOyS1 - TLSH:
T17637C0E3A14BDECCB68BB7137AB50169705AD78C7171AAA4588CBA1DC47C37CBE10510 - Submitted as: 88536772959.pdf
- File type: pdf · Size: 73952 bytes
- Verdict: malicious (98/100)
Detections (4 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- ClamAV (daily): Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 8 weighted signals:
- ClamAV (daily) flagged Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 (rule
Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0) - engine signal, weight 0.90, confidence 0.95 - Memory forensics: 3 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 756) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 17 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/8a38c8bd-7de3-4412-ac3c-241669f2a4ee/67542023794.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://ggtraff.ru/strik?utm_term=scarlet+pimpernel+chapter+11+summary, https://uploads.strikinglycdn.com/files/8a38c8bd-7de3-4412-ac3c-241669f2a4ee/67542023794.pdf, https://static1.squarespace.com/static/5fc51087c6229360ecc7aa43/t/5fc64f301972c46e3c756d1f/1606831922123/active_chebyshev_bandpass_filter_calculator.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 (11 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9711 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
- desktop-hsgcbep
- 250.255.255.239.in-addr.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
- 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
- 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
- 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\SumatraPDF-settings.txt -
cf2e95e46987d747435d2a47b89e8ed4eeafede598cf6c64b9e496278a1c2d80 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\760f2935c60d7e1c0d6818590aaf1b7e.png -
08e58cf79bd477ae3a60fe7391d84433b7a13da5cb5a29a95108c9e5c59d8156 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ggtraff.ru/strik?utm_term=scarlet+pimpernel+chapter+11+summary
- https://uploads.strikinglycdn.com/files/8a38c8bd-7de3-4412-ac3c-241669f2a4ee/67542023794.pdf
- https://static1.squarespace.com/static/5fc51087c6229360ecc7aa43/t/5fc64f301972c46e3c756d1f/1606831922123/active_chebyshev_bandpass_filter_calculator.pdf
- https://juporolo.weebly.com/uploads/1/3/1/3/131380745/727948.pdf
- https://cdn-cms.f-static.net/uploads/4390069/normal_5fa8d0b620b1d.pdf
- https://cdn-cms.f-static.net/uploads/4480584/normal_5fafab645287d.pdf
- https://cdn-cms.f-static.net/uploads/4383165/normal_5fa148d4513c5.pdf
- https://uploads.strikinglycdn.com/files/e3f40bf4-24c1-4b47-adfd-05bcb5194148/fomuzimuz.pdf
- https://uploads.strikinglycdn.com/files/c1954a0c-366a-43b3-a24e-77f49bdd45c1/love_is_a_losing_game_lyrics_greek.pdf
- https://cdn-cms.f-static.net/uploads/4381766/normal_5f99ad47e2efa.pdf
- https://uploads.strikinglycdn.com/files/8733cc03-4099-4c6e-8914-cf77239b4fb9/coordinate_picture_graphing_christmas.pdf
- https://zotadipijipas.weebly.com/uploads/1/3/4/4/134467791/bovufalikorepi.pdf
- https://cdn-cms.f-static.net/uploads/4368997/normal_5fb2b9ec73d5c.pdf
- https://uploads.strikinglycdn.com/files/25e5918f-2412-46aa-be16-1f2499782b05/ralawe.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=1787758285&P2=404&P3=2&P4=ejs8vBTdWRXQGd3ti7lcCr4F7daTeyy8Jd472BZmlB7IPkIJy8g%2bXpdAjMyxFYeSJ2fa7ufIO4Ef6RvCowlRPQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- ggtraff.ru
- uploads.strikinglycdn.com
- static1.squarespace.com
- juporolo.weebly.com
- cdn-cms.f-static.net
- zotadipijipas.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 135.233.95.80
- 172.172.255.217
- 135.233.95.144
- 52.168.117.169
- 13.69.239.69
- 52.123.252.240
- 4.230.171.124
- 20.3.4.127
- 52.178.17.235
- 20.112.250.133
- 74.178.240.61
- 52.123.129.14
- 52.123.128.14
- 4.150.223.107
- 74.178.76.44
- 203.26.79.13
- 92.223.78.30
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report