MALICIOUS — 21b1c774716e166291a85f75fb2aa7ad9d70dfede1b95eac4c5d9766acf46011
MALICIOUS — 21b1c774716e166291a85f75fb2aa7ad9d70dfede1b95eac4c5d9766acf46011 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:
21b1c774716e166291a85f75fb2aa7ad9d70dfede1b95eac4c5d9766acf46011 - SHA-1:
ec019940c394ebfb23e8a10c98afecedb2de5795 - MD5:
f5c8ee886d034e2646daf11b7b0cf1ba - ssdeep:
1536:7jbaCdl1FEQX5a8uxCRcK32y9I9uI0QY2ADsAFiPlYddvLV+c6hqbhAKO:tlrzX5HuxvsXQY23YddvLV+3heY - TLSH:
T19F38E1F362A7DDCD6B9B5B437AF604AD2499D7846223DBD0084CBB1DC0A87AC6E10D11 - Submitted as: 21b1c774716e166291a85f75fb2aa7ad9d70dfede1b95eac4c5d9766acf46011
- File type: pdf · Size: 83456 bytes
- Verdict: malicious (98/100)
Detections (5 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- ClamAV (daily): Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Trellix Stinger (McAfee): PDF/Phish-FAB!F5C8EE886D03
- 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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 (rule
Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0) - engine signal, weight 0.90, confidence 0.95 - Embedded link rated malicious by URL analysis: https://static.s123-cdn-static.com/uploads/4408992/normal_5fc7a4d31c92a.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 11 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://maypoin.ru/strik?utm_term=diary+of+wimpy+kid+rodrick+rules+pdf, http://vorgazme.com/62717533817qyu4v.pdf, http://instasale.company/network_guide_to_networks_8th_edition_access_code0jx87.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 (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9627 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
- 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/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=1787788839&P2=404&P3=2&P4=AJdYqw2IWQDmfP3YamhVT%2frwuEnsgW8AoRuKYy%2fGlhfS2GYsDhQHMkBiXGR06YKlcdMS8ipiO2wj4g4%2beXXw4g%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
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787788882&P2=404&P3=2&P4=c0%2bDfrHZckvlZbe0ecI2JhJ0UoiwjJTUc79DnHnKBz1gJdf7wYXEBUgY1KevRM6ha0TpZgSnod%2b4f5fXdLbc1w%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/b56480f9-8215-4de7-ba7e-8e690088d21d/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\44b7e95da72d4e40a6ad31187794255e.png -
95e2c235c70323cb8c4277b8c57f804db4cdb82cf9c548ead35cfdbc1116003b - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
dfbf419cb027ee06aadc28e68e6da072a8e0c611321cac4c5c4ceaec17d8ab2b - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://maypoin.ru/strik?utm_term=diary+of+wimpy+kid+rodrick+rules+pdf
- http://vorgazme.com/62717533817qyu4v.pdf
- http://instasale.company/network_guide_to_networks_8th_edition_access_code0jx87.pdf
- http://interbankdigital.com/how_to_bake_bacon_wrapped_chicken_legs6bwuj.pdf
- http://cheatyou.site/jaxupefedasikejutozomo21ei5.pdf
- http://sokogukuvuxe.rf.gd/51661936182.pdf
- https://cdn.sqhk.co/zimalodepafo/diahdjf/army_clash_no_ads_apk.pdf
- https://static.s123-cdn-static.com/uploads/4408992/normal_5fc7a4d31c92a.pdf
- http://xulikode.iblogger.org/blank_space_vocal_sheet_music.pdf
- https://cdn.sqhk.co/nulusezitelo/wijhjlr/taxi_driving_simulator_2016_mod_apk.pdf
- https://cdn-cms.f-static.net/uploads/4384628/normal_600da3b5e68c7.pdf
- https://cdn-cms.f-static.net/uploads/4385213/normal_606cf6a2dbad5.pdf
- https://cdn.sqhk.co/miwataxanis/ge5gdjh/85904412565.pdf
- http://salearea.pro/256441026409a7q5.pdf
- https://cdn.sqhk.co/letarezetap/qCFbfIF/free_funeral_program_brochure_psd_template.pdf
- https://cdn.sqhk.co/zowesifona/aUx2Vja/regal_cinema_16_dollar_movies.pdf
- http://youralteragoods.com/tazunimosuzerubotifetiev13y.pdf
- http://makeyourself.xyz/rilanuvok7r8y4.pdf
- https://cdn.sqhk.co/lekibefefu/44ifQih/bubble_wrap_stress_relief_game.pdf
- https://cdn.sqhk.co/neratimo/WsTwie1/drifty_car_chase_mod_apk.pdf
- http://xexogafuko.22web.org/widusawiz.pdf
- https://cdn-cms.f-static.net/uploads/4426955/normal_601f23782664b.pdf
- http://fewemika.66ghz.com/besigilelozofep.pdf
- https://cdn-cms.f-static.net/uploads/4421629/normal_601dcdaab3323.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
Embedded domains
- maypoin.ru
- vorgazme.com
- interbankdigital.com
- cheatyou.site
- cdn.sqhk.co
- static.s123-cdn-static.com
- xulikode.iblogger.org
- cdn-cms.f-static.net
- salearea.pro
- youralteragoods.com
- makeyourself.xyz
- xexogafuko.22web.org
- fewemika.66ghz.com
- www.w3.org
- purl.org
- ns.adobe.com
- instasale.company
- sokogukuvuxe.rf.gd
Embedded IP addresses
- 4.247.188.224
- 4.230.171.124
- 4.144.132.223
- 135.232.92.34
- 72.153.5.97
- 40.79.150.122
- 203.26.79.13
- 52.123.129.14
- 20.165.94.63
- 4.209.250.170
- 20.89.1.13
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report