MALICIOUS — 8c661c0ae228ef565dd5b4304922904dcc19c94f6c2d5d695caaa4458f37156a
MALICIOUS — 8c661c0ae228ef565dd5b4304922904dcc19c94f6c2d5d695caaa4458f37156a is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100). 5 of 54 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
8c661c0ae228ef565dd5b4304922904dcc19c94f6c2d5d695caaa4458f37156a - SHA-1:
3e28a1d7ee22ce9f29af194e0685e9d17009b1be - MD5:
3c8cb107e2c628e8b447531225d6963f - ssdeep:
1536:Q5m/3dgIf+vSPCVVrA25tr4jvfgyWWWqOunaYtbF7mMJ:VgIf+v3zk2DriW3lgbF7H - TLSH:
T1DB37C0F35197DF4CBB8A9B075DB5566D60CED2846023C760148CB66C84BC2AFEE20E52 - Submitted as: 8c661c0ae228ef565dd5b4304922904dcc19c94f6c2d5d695caaa4458f37156a
- File type: pdf · Size: 74514 bytes
- Verdict: malicious (100/100)
Detections (5 of 54 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!3C8CB107E2C6
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 12 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://uploads.strikinglycdn.com/files/f948cee6-7e25-412d-b40b-ba5e2d933e6e/dell_optiplex_780_network_driver_for_windows_7.pdf - network signal, weight 0.70, confidence 0.80
- Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule
PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85 - Trellix Stinger (McAfee) flagged PDF/Phish-FAB!3C8CB107E2C6 (rule
PDF/Phish-FAB!3C8CB107E2C6) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged HEUR:Hoax.PDF.Phish.gen (rule
HEUR:Hoax.PDF.Phish.gen) - engine signal, weight 0.55, confidence 0.85 - Contacted 13 external host(s) and 3 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule
high-entropy-blob) - engine signal, weight 0.35, confidence 0.70 - Embedded network infrastructure: https://crysiq.ru/pbw?utm_term=why+refrigerator+is+not+cooling+but+the+freezer+is+working, https://uploads.strikinglycdn.com/files/f948cee6-7e25-412d-b40b-ba5e2d933e6e/dell_optiplex_780_network_driver_for_windows_7.pdf, https://difomojixi.weebly.com/uploads/1/3/4/3/134319012/sajudew.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 (16 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
- Memory forensics: 3 finding(s) elsewhere in the guest, not attributed to this sample, e.g. RWX/private injected region in Acrobat.exe (pid 8820) (rule
windows.malfind.Malfind) - memory signal, weight 0.05, confidence 0.30
Dynamic analysis (windows)
1161 behavior events · 0 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- c.pki.goog
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
- ntp.ubuntu.com
- desktop-hsgcbep
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://c.pki.goog/r/r1.crl
- http://x2.c.lencr.org/
- http://ye.c.lencr.org/
- http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
- http://yr.c.lencr.org/
- 23.40.52.85
- 23.11.37.157
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://crysiq.ru/pbw?utm_term=why+refrigerator+is+not+cooling+but+the+freezer+is+working
- https://uploads.strikinglycdn.com/files/f948cee6-7e25-412d-b40b-ba5e2d933e6e/dell_optiplex_780_network_driver_for_windows_7.pdf
- https://difomojixi.weebly.com/uploads/1/3/4/3/134319012/sajudew.pdf
- https://static.s123-cdn-static.com/uploads/4366388/normal_5fee74990f773.pdf
- http://savavaze.pbworks.com/f/50987831888.pdf
- https://static.s123-cdn-static.com/uploads/4402721/normal_5fe1f6f831996.pdf
- https://static.s123-cdn-static-d.com/uploads/4485152/normal_60b003ffa4cd9.pdf
- https://nomukumimakolu.weebly.com/uploads/1/3/4/6/134649360/b9fdec7258.pdf
- http://xuruzinijub.pbworks.com/w/file/fetch/144425556/rativoxenotepax.pdf
- https://takesefitetipal.weebly.com/uploads/1/3/2/6/132682925/jabuwed.pdf
- https://uploads.strikinglycdn.com/files/3f53348a-2bd3-458c-a354-ec0439ff287d/wegixerikasuvupupo.pdf
- https://static.s123-cdn-static.com/uploads/4381091/normal_5fccb4cf9133b.pdf
- https://static.s123-cdn-static-d.com/uploads/4375083/normal_60b5dc8197133.pdf
- https://static.s123-cdn-static.com/uploads/4445114/normal_5ffbc0f1094ea.pdf
- https://uploads.strikinglycdn.com/files/64a6b52b-b7d1-4f65-9df5-b51cf71c6f43/what_song_has_the_most_streams_on_soundcloud.pdf
- https://uploads.strikinglycdn.com/files/8c6b2654-fe38-40d8-9bd9-9a4808cd50cc/oxford_nj_house_rentals.pdf
- http://fipivuzigoge.pbworks.com/w/file/fetch/144424275/65951807269.pdf
- https://nesojikav.weebly.com/uploads/1/3/1/3/131398336/depafagonamena_xeradubar.pdf
- https://cdn-cms.f-static.net/uploads/4451736/normal_5fd7f8d506119.pdf
- http://tevimunon.pbworks.com/f/totefivop.pdf
- https://uploads.strikinglycdn.com/files/c5ee65a1-e367-4e31-85c4-3fd97d202e8a/foundations_in_personal_finance_chapter_5_test_answer_key.pdf
- http://pazimonofe.pbworks.com/f/tijazi.pdf
- https://uploads.strikinglycdn.com/files/e1b1c210-3318-4e79-8fff-07af0e31e3b0/sports_marketing_4th_edition_year.pdf
- https://bopifodefow.weebly.com/uploads/1/3/4/3/134383970/lujaw.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
Embedded domains
- crysiq.ru
- uploads.strikinglycdn.com
- difomojixi.weebly.com
- static.s123-cdn-static.com
- savavaze.pbworks.com
- static.s123-cdn-static-d.com
- nomukumimakolu.weebly.com
- xuruzinijub.pbworks.com
- takesefitetipal.weebly.com
- fipivuzigoge.pbworks.com
- nesojikav.weebly.com
- cdn-cms.f-static.net
- tevimunon.pbworks.com
- pazimonofe.pbworks.com
- bopifodefow.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
Embedded IP addresses
- 48.211.4.16
- 57.155.101.212
- 52.123.252.192
- 52.110.12.51
- 4.230.171.124
- 85.210.196.11
- 52.230.59.222
- 104.18.33.89
- 74.179.77.164
- 20.165.94.63
- 51.11.192.48
- 74.179.77.204
- 20.42.73.28
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report