MALICIOUS — normal_5f8f61ed70bc3.pdf
MALICIOUS — normal_5f8f61ed70bc3.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (92/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
be2aa156c1a5bdc91500d2033f822cb80b7dfd22969d14bfaae5bb2679895884 - SHA-1:
c31521059881c52c82c69d15a23220ba2f74ba9b - MD5:
a24666f8c7ecfa1a3b72a03673df907b - ssdeep:
768:ngGzpDJplsl9oDfYw7awXyVzXZakC/7tjIIlJv451HYNunuy5hJUQXdt6rGG52/X:gGF1pyZC/7+SJv43UunRD+COrHNkyQW6 - TLSH:
T15332AEF34497ED8C3A879B03ADE61195658AC78D6233AB900888762CD4BC6BD7E504B1 - Submitted as: normal_5f8f61ed70bc3.pdf
- File type: pdf · Size: 47177 bytes
- Verdict: malicious (92/100)
Detections (3 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
- Kaspersky (KVRT): HEUR:Trojan.Script.Generic
MITRE ATT&CK
Why this verdict
The malicious score of 92/100 is the fusion of 7 weighted signals:
- Embedded link rated malicious by URL analysis: https://cdn-cms.f-static.net/uploads/4365636/normal_5f86fe85904d7.pdf - network signal, weight 0.70, confidence 0.80
- Memory forensics: 5 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 4616) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 14 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://gettraff.ru/123?keyword=wechat+apk+2020+free+download, https://cdn.shopify.com/s/files/1/0484/4460/4584/files/vitasivugi.pdf, https://cdn.shopify.com/s/files/1/0434/3870/2748/files/taller_de_evangelismo_explosivo.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 (6 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9719 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
- 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
- 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
- 250.255.255.239.in-addr.arpa
- 255.255.254.169.in-addr.arpa
- 79.243.254.169.in-addr.arpa
- ntp.ubuntu.com
- 251.0.0.224.in-addr.arpa
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
144c71bc00e5beb1af3ca3eb20af25ee38c6582eab6076b3c820198c4c760521 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\8d6ab4e4120982cda33a48a0dbf29690.png -
b28db20aac1f874dda6764c54d367315adcb90a99e6ab4730452e0eea310a7ae - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/123?keyword=wechat+apk+2020+free+download
- https://cdn.shopify.com/s/files/1/0484/4460/4584/files/vitasivugi.pdf
- https://cdn.shopify.com/s/files/1/0434/3870/2748/files/taller_de_evangelismo_explosivo.pdf
- https://cdn.shopify.com/s/files/1/0481/5994/8951/files/hurricane_andrew_facts_noaa.pdf
- https://cdn.shopify.com/s/files/1/0480/9742/7619/files/28326284263.pdf
- https://cdn.shopify.com/s/files/1/0493/1367/7471/files/5e_produce_flame_vs_firebolt.pdf
- https://pevugubak.weebly.com/uploads/1/3/2/7/132740457/63117c5.pdf
- https://s3.amazonaws.com/zetare/kluber_amblygon_ta_15_2.pdf
- https://s3.amazonaws.com/subud/654184924.pdf
- https://s3.amazonaws.com/zirojopemup/bataille_de_verdun_rsum.pdf
- https://s3.amazonaws.com/gupuso/89112592979.pdf
- https://cdn.shopify.com/s/files/1/0431/9100/9442/files/30819063982.pdf
- https://cdn.shopify.com/s/files/1/0434/6914/4230/files/pcnse_passing_score.pdf
- https://cdn.shopify.com/s/files/1/0437/8188/2013/files/icivics_answer_sheets.pdf
- https://cdn.shopify.com/s/files/1/0502/1673/0799/files/19003362398.pdf
- https://cdn-cms.f-static.net/uploads/4369327/normal_5f87ac09636dc.pdf
- https://cdn-cms.f-static.net/uploads/4369901/normal_5f899cba661e2.pdf
- https://cdn-cms.f-static.net/uploads/4372681/normal_5f88cec0ce8e1.pdf
- https://cdn-cms.f-static.net/uploads/4368466/normal_5f8e54eca4153.pdf
- https://cdn-cms.f-static.net/uploads/4366041/normal_5f88867103427.pdf
- https://cdn-cms.f-static.net/uploads/4366048/normal_5f871ffb8511b.pdf
- https://cdn-cms.f-static.net/uploads/4365636/normal_5f86fe85904d7.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
- gettraff.ru
- cdn.shopify.com
- pevugubak.weebly.com
- s3.amazonaws.com
- cdn-cms.f-static.net
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 48.211.4.16
- 4.230.171.124
- 20.3.4.127
- 135.233.95.144
- 74.178.240.51
- 20.112.250.133
- 40.99.134.18
- 4.150.223.97
- 52.123.128.14
- 40.99.133.226
- 74.178.76.44
- 203.26.79.13
- 20.184.175.7
- 135.233.45.221
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report