MALICIOUS — 4c272e9c81d1502abb93e7c91251690d7ea1deb528f9b22b925a6d08b32c4b83
MALICIOUS — 4c272e9c81d1502abb93e7c91251690d7ea1deb528f9b22b925a6d08b32c4b83 is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 5 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
4c272e9c81d1502abb93e7c91251690d7ea1deb528f9b22b925a6d08b32c4b83 - SHA-1:
95819e6fe183fc380a59761f989f4443e55d202d - MD5:
45ff337b9fe643fe935ca192cb3f7a7f - ssdeep:
1536:uBnXe3BciH6o9jHnI4g778aoqBCRmCdg0VX14jtnEkB:ae3BcTo9jHnIVd7BadbX6tnL - TLSH:
T17038D1F351A7ED8C7A478B537D6E2CA9E486D2847031AF905588B32CC46C7BE3E60911 - Submitted as: 4c272e9c81d1502abb93e7c91251690d7ea1deb528f9b22b925a6d08b32c4b83
- File type: pdf · Size: 80342 bytes
- Verdict: malicious (98/100)
Detections (5 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
- Trellix Stinger (McAfee): PDF/Phish-FAB!45FF337B9FE6
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 7 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 - Embedded link rated malicious by URL analysis: https://static.s123-cdn-static.com/uploads/4381090/normal_5ff5189767c35.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 16 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://resalured.ru/award?keyword=dips+academy+linear+algebra+notes+pdf, http://jekeluxuto.mywebcommunity.org/takibelasu.pdf, https://static.s123-cdn-static.com/uploads/4381090/normal_5ff5189767c35.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 (13 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9683 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
- 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
- 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
- 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
- ntp.ubuntu.com
- 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/fa5c4269-9d03-4a47-8d97-be6931f0b22c/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\448f82321bc398846283349da4620dc5.png -
ea2f5d1f27c3a866f4781a84bd786e7134160a464db1e3dd534320152297738d - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
95a4a32cbcaa22cbec683a5cbcecd2a0b1597ccada69f82cf4752fd6bac884dc - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://resalured.ru/award?keyword=dips+academy+linear+algebra+notes+pdf
- http://jekeluxuto.mywebcommunity.org/takibelasu.pdf
- https://static.s123-cdn-static.com/uploads/4381090/normal_5ff5189767c35.pdf
- https://s3.amazonaws.com/bidivo/2_player_chess_app.pdf
- http://timinipitos.22web.org/saga_cazadora_de_hadas_1.pdf
- https://fukuzodi.weebly.com/uploads/1/3/5/3/135329923/mosukolisibekobo.pdf
- http://gapijet.scienceontheweb.net/academic_writing_skills_3_teacher_s_manual.pdf
- https://cdn-cms.f-static.net/uploads/4450513/normal_60499658c8ee2.pdf
- https://s3.amazonaws.com/regufojalojaza/wunom.pdf
- http://dosaxixapaxa.medianewsonline.com/nifetufuwenot.pdf
- https://bemezonef.weebly.com/uploads/1/3/5/3/135389856/navegunaf-tigisemojawut-warimekoxe-bapexumavog.pdf
- https://cdn-cms.f-static.net/uploads/4452850/normal_60527a4e3b2ff.pdf
- http://vimixof.onlinewebshop.net/ladejotenagifi.pdf
- https://cdn-cms.f-static.net/uploads/4381532/normal_6035e71f37a8f.pdf
- https://s3.amazonaws.com/wesezuzuvalirik/65658109046.pdf
- https://wotawodakel.weebly.com/uploads/1/3/5/3/135316359/demutesunen.pdf
- http://wonamesavap.iblogger.org/did_not_do_justice_meaning.pdf
- http://wakekuluma.iblogger.org/what_is_the_most_watched_news_program_on_tv.pdf
- https://zeteleginogegop.weebly.com/uploads/1/3/4/5/134526156/doritomorada.pdf
- https://cdn.sqhk.co/mibupufek/dMFMidI/flower_coloring_book_for_adults.pdf
- https://cdn.sqhk.co/wewisadavoj/nhirjdE/gabokedevopidopuwag.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/
Embedded domains
- resalured.ru
- jekeluxuto.mywebcommunity.org
- static.s123-cdn-static.com
- s3.amazonaws.com
- timinipitos.22web.org
- fukuzodi.weebly.com
- gapijet.scienceontheweb.net
- cdn-cms.f-static.net
- dosaxixapaxa.medianewsonline.com
- bemezonef.weebly.com
- vimixof.onlinewebshop.net
- wotawodakel.weebly.com
- wonamesavap.iblogger.org
- wakekuluma.iblogger.org
- zeteleginogegop.weebly.com
- cdn.sqhk.co
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 34.244.58.147
- 172.172.255.218
- 52.110.12.55
- 52.110.12.37
- 20.42.179.192
- 4.230.171.124
- 74.178.76.128
- 74.178.240.51
- 52.123.129.14
- 40.99.134.18
- 135.234.160.244
- 72.153.5.61
- 203.26.79.13
- 92.223.78.30
- 48.199.12.1
- 52.148.114.188
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report