MALICIOUS — 2a8b5b066f5cfa772b14c613c74bc317f2837489d76adfda71011ef3b7167a35
MALICIOUS — 2a8b5b066f5cfa772b14c613c74bc317f2837489d76adfda71011ef3b7167a35 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:
2a8b5b066f5cfa772b14c613c74bc317f2837489d76adfda71011ef3b7167a35 - SHA-1:
a01ae9f25cf290c1d5dd46325af9d1061a3000a2 - MD5:
2185247ca00d0eca76959b9d415bfd79 - ssdeep:
1536:5e9yC7ldMCBr7znOReZ+NxTiHbfL9jjHnnV5afp/6b6eJCBNwGFu/wX7MZoQ8:QIC7lzniR9i7fLRjHV56keeIIGFuYX7r - TLSH:
T19A38CFF361A7CE9C7AD74BC36DA7195DA48DC3886236A7A00048766CC4BC36DBF60841 - Submitted as: 2a8b5b066f5cfa772b14c613c74bc317f2837489d76adfda71011ef3b7167a35
- File type: pdf · Size: 77202 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!2185247CA00D
- 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/4474471/normal_5feafbe56e9b5.pdf - network signal, weight 0.70, confidence 0.80
- Contacted 19 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://midufefew.ru/award?keyword=synonyms+antonyms+and+homonyms+list+pdf, https://cdn-cms.f-static.net/uploads/4366011/normal_60509b639a6b6.pdf, https://cdn-cms.f-static.net/uploads/4425256/normal_5fdc54351ab7e.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)
9742 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._dosvc._tcp.local
- 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
- 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
- 250.255.255.239.in-addr.arpa
- 252.0.0.224.in-addr.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
- ntp.ubuntu.com
- _dosvc._tcp.local
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
2281f6b4490000b2be856b41516f1d760ddb69ebd907fe0417c09c10417e4538 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\e6b1b9cab1db7a984aa6d3ba70516fa0.png -
9a807e5fd60e0a00300c6ef127f2f339e077ef7ee0750927c97b219a33528364 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://midufefew.ru/award?keyword=synonyms+antonyms+and+homonyms+list+pdf
- https://cdn-cms.f-static.net/uploads/4366011/normal_60509b639a6b6.pdf
- https://cdn-cms.f-static.net/uploads/4425256/normal_5fdc54351ab7e.pdf
- https://s3.amazonaws.com/wenobagupexekap/69732746243.pdf
- https://cdn-cms.f-static.net/uploads/4384308/normal_601d0db86e7a1.pdf
- http://naturebiolog.fun/aluminum_extrusion_design_manualdeyjd.pdf
- https://s3.amazonaws.com/muxozuvalubi/online_bookstore_website_template_free.pdf
- https://s3.amazonaws.com/jinabisura/drug_trafficking_in_colombia_report.pdf
- https://cdn.sqhk.co/tinipuded/t3jjD8X/bubble_shooter_with_friends_mod_apk.pdf
- https://s3.amazonaws.com/boxujetanonikuv/sustainability_report_bca_2016.pdf
- https://static.s123-cdn-static.com/uploads/4474471/normal_5feafbe56e9b5.pdf
- https://cdn-cms.f-static.net/uploads/4417530/normal_60493e6623264.pdf
- https://s3.amazonaws.com/sefepugolupalax/android_7._1_factory_reset_password.pdf
- https://s3.amazonaws.com/gatazeromij/pogawuginivu.pdf
- https://cdn.sqhk.co/disumuneriva/iagdjeO/blooming_flowers_merge_flowers_idle_game.pdf
- http://com-signto6.xyz/654955289513hof1.pdf
- https://s3.amazonaws.com/sinadi/67088718841.pdf
- https://s3.amazonaws.com/sasufufa/live_nettv_apk_free_for_android.pdf
- https://s3.amazonaws.com/bufipevuril/cambridge_dictionary_offline_free_for_android.pdf
- https://static.s123-cdn-static.com/uploads/4465003/normal_5fcb521800484.pdf
- http://blockingscenery.com/31047652529uvz9k.pdf
- https://cdn-cms.f-static.net/uploads/4366350/normal_6042c6961132d.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/
Embedded domains
- midufefew.ru
- cdn-cms.f-static.net
- s3.amazonaws.com
- naturebiolog.fun
- cdn.sqhk.co
- static.s123-cdn-static.com
- com-signto6.xyz
- blockingscenery.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 74.178.76.44
- 40.79.150.121
- 172.215.188.232
- 20.247.185.124
- 52.110.12.54
- 4.230.171.124
- 125.56.205.57
- 203.26.79.13
- 20.184.175.10
- 20.236.44.162
- 52.123.128.14
- 135.233.45.222
- 74.178.76.128
- 135.233.95.80
- 92.223.78.30
- 20.42.73.25
- 4.150.223.104
- 51.132.193.105
- 48.199.12.1
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report