MALICIOUS — f55edf0df46e942984fe3576496f420919dd083ac8a11c6aa5f9d45d60d270ff
MALICIOUS — f55edf0df46e942984fe3576496f420919dd083ac8a11c6aa5f9d45d60d270ff is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100). 4 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
f55edf0df46e942984fe3576496f420919dd083ac8a11c6aa5f9d45d60d270ff - SHA-1:
8abece99466a98dd199b82a1a1bfc473c50d887c - MD5:
531679ffb6ba6e4ec7f078136555cdf6 - ssdeep:
1536:ZttE48FDuhrCeQuu6s3htoePKudeaDWOpOwrKWi5Sge2E+ikcnL:XxlrCeQuI3htvP1zgwrsSAZO - TLSH:
T16337CFF321C7DD4C7787DB0368E6119CA589D34C29A2DB90858CA77C947C97EEE00A91 - Submitted as: f55edf0df46e942984fe3576496f420919dd083ac8a11c6aa5f9d45d60d270ff
- File type: pdf · Size: 70319 bytes
- Verdict: malicious (96/100)
Detections (4 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
- Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen
MITRE ATT&CK
Why this verdict
The malicious score of 96/100 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 - Contacted 21 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: http://szymonadamczyk.pl/uploads/fck/file/wenixumi.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://infrive.ru/uplcv?utm_term=email+in+my+phone, https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/3c2f8f8244391f2b33f544e4da2153fc/81985289052.pdf, http://szymonadamczyk.pl/uploads/fck/file/wenixumi.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)
9581 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
- 250.255.255.239.in-addr.arpa
- 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
- http://203.26.79.13/filestreamingservice/files/fa5c4269-9d03-4a47-8d97-be6931f0b22c?P1=1787877676&P2=404&P3=2&P4=aLPbBkpmM0Vv7OQbgCMkdXWnd6guK%2f%2fShyGpUgMYd2cbGld0byLGEKGNmdvo51qwUs21JhoPQrgHof%2fiXAlSgg%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=1787877696&P2=404&P3=2&P4=jwDO9IR4FpM6llX4xkyx6zHLdNOg7v72avk7aV0Yv1O9Fp%2bxLhKsWqkNXu40k8gX0FS56NvCfBKC5FERdV0q1A%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
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\c3f802d4fb220c0bdad02dbc0e18fd64.png -
794dd78a7d0089bed1d353e99e87a3a8a13330111ecfa3efce31febfd4146566 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
b738438af6fbc14563ae4c2968d3ffa79129d4bc1295aaaefc0604adcaeca1b8 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://infrive.ru/uplcv?utm_term=email+in+my+phone
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/3c2f8f8244391f2b33f544e4da2153fc/81985289052.pdf
- http://szymonadamczyk.pl/uploads/fck/file/wenixumi.pdf
- http://lempreintedubois.fr/userfiles/lempreintedubois.fr/file/gizedadogotivorolamumavu.pdf
- http://tianlanlawyer.com/filespath/files/20210925015032.pdf
- http://trubaopt.ru/content/file/seliteloxeni.pdf
- https://n-vv.dk/userfiles/file/34327636711.pdf
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615380b3732ce---tewubesikamejawode.pdf
- https://kcss.hu/korosi/userfiles/file/41675019827.pdf
- http://stonepigments.com/userfiles/file/vileliwijoku.pdf
- http://art-wonders.com/ckeditor/ckfinder/core/connector/php/uploads/files/13204392673.pdf
- http://qwerty.pl/_data/file/2625392879.pdf
- https://ip-kamera-rendszer.nuttydog.hu/ckfinder/userfiles/files/xanisoguwe.pdf
- http://nagakuratrading.com/js/upload/files/19686281048.pdf
- http://capesociety.ca/uploads/files/jebopiwonubitefilalo.pdf
- http://mhfmjournal.com/data/22/2/55/64/2544879/user/2788947/htdocs/userfiles/file/wibokogidanofajefeze.pdf
- http://bridgeonlaw.com/filespath/files/20210910102510.pdf
- http://jjinline.org/file_upload/file/73021985279.pdf
- https://takarasushimn.com/userfiles/files/kuzanumivekusinito.pdf
- http://www.fuchingrading.com/upload/file/79241281427.pdf
- http://purplebyanki-com.bvirani.com/ckfinder/userfiles/files/nexotokufewi.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613158b5a0e6c---66636599391.pdf
- https://gagiongvitgiong.com/ckfinder/userfiles/files/wevesibegusapivu.pdf
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/73eb00e38d55dd0e17861c6476a2e360/nupawizadewosul.pdf
- http://cnsgawefgl.netsociality.com/upload/files/dakiw.pdf
Embedded domains
- infrive.ru
- relaxationplusmn.com
- szymonadamczyk.pl
- lempreintedubois.fr
- tianlanlawyer.com
- trubaopt.ru
- bursaceviritercume.com
- stonepigments.com
- art-wonders.com
- qwerty.pl
- nagakuratrading.com
- capesociety.ca
- mhfmjournal.com
- bridgeonlaw.com
- jjinline.org
- takarasushimn.com
- www.fuchingrading.com
- purplebyanki-com.bvirani.com
- artmetinc.com
- gagiongvitgiong.com
- personalloan2u.com
- cnsgawefgl.netsociality.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 57.154.63.210
- 4.207.44.69
- 172.66.2.5
- 52.110.12.19
- 52.110.12.26
- 4.230.171.124
- 57.155.104.224
- 74.178.76.54
- 74.179.77.204
- 135.233.95.144
- 52.123.128.14
- 20.184.175.22
- 72.154.7.97
- 203.26.79.13
- 135.233.95.80
- 48.199.12.1
- 20.50.73.15
- 20.42.179.204
- 104.46.162.230
- 4.150.223.96
- 52.148.114.188
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report