MALICIOUS — normal_5f8cba06111a4.pdf
MALICIOUS — normal_5f8cba06111a4.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (82/100). 3 of 53 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
a8f16572df4497a28522a9fd4b9e1fc40c846510b545bc98de65a18ade4315bb - SHA-1:
8631cb4be3c3c34c353e733490a3a9c8ea78b1ae - MD5:
9cd62beedee93c1cbf24ea5a68909c08 - ssdeep:
1536:kGFJeSI8CTX2qySabTSBjMyHpQwqG6jHSFRGlXeKETf:xFJeS7mXDabTCjpHpQp9SFRGlXNEb - TLSH:
T17E338EF3509BEC8CBA8F9F136DAB106D7486D78C61369690149C372CD57CAEE6E00A11 - Submitted as: normal_5f8cba06111a4.pdf
- File type: pdf · Size: 50326 bytes
- Verdict: malicious (82/100)
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 82/100 is the fusion of 6 weighted signals:
- Memory forensics: 4 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 7568) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 17 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://ttraff.com/123?keyword=embed+pdf+viewer+in+html, https://jumuwubugunitus.weebly.com/uploads/1/3/1/0/131070493/zererozozutiwez.pdf, https://zuwumepegowivos.weebly.com/uploads/1/3/1/0/131069935/6252820.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 (9 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9930 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
- desktop-hsgcbep
- 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
- 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
- 252.0.0.224.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\b9de0681fcd73f5ab0dfa0146ad45f94.png -
22cee9a0db6beb332abed09de23aced1ea67d2eb1c303af2fb94f1fcdc8413eb - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
56f333f267787cd4c1d19d131b93d837c2224f446061a9bc37fb0a0eb87cab64 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ttraff.com/123?keyword=embed+pdf+viewer+in+html
- https://jumuwubugunitus.weebly.com/uploads/1/3/1/0/131070493/zererozozutiwez.pdf
- https://zuwumepegowivos.weebly.com/uploads/1/3/1/0/131069935/6252820.pdf
- https://molisemopum.weebly.com/uploads/1/3/1/4/131437834/zenuboduxizawi-muzuzumita-vesetid-wosuzul.pdf
- https://sibakixode.weebly.com/uploads/1/3/2/8/132814768/jifijaju_mipevosisusol_mititetoluzik_levinoguvir.pdf
- https://cdn-cms.f-static.net/uploads/4385198/normal_5f8cafbb76f06.pdf
- https://cdn-cms.f-static.net/uploads/4366965/normal_5f8749a7cb032.pdf
- https://cdn-cms.f-static.net/uploads/4373749/normal_5f8ba17f04879.pdf
- https://uploads.strikinglycdn.com/files/f8153d24-068d-42ab-bae8-d094bca2c57d/cessar_ou_site_http_enccejanaciona.pdf
- https://uploads.strikinglycdn.com/files/f6b08645-709f-4376-9165-7f6171ac0643/dorunavezasafemifuxolig.pdf
- https://uploads.strikinglycdn.com/files/73b2f092-4946-4760-b408-988f6a03ca01/kolimanulagiw.pdf
- https://uploads.strikinglycdn.com/files/bd363230-a7c2-44fb-b2ab-52b37ceba019/dudexixagidawati.pdf
- https://cdn.shopify.com/s/files/1/0429/0042/2819/files/princess_bride_free_online.pdf
- https://cdn.shopify.com/s/files/1/0439/0646/5947/files/hersey_high_school_chicago.pdf
- https://cdn.shopify.com/s/files/1/0488/4080/2469/files/40708141787.pdf
- https://cdn.shopify.com/s/files/1/0431/8999/3621/files/pefuwakosusutimibumoxawo.pdf
- https://cdn.shopify.com/s/files/1/0486/6487/1062/files/57726957325.pdf
- https://cdn.shopify.com/s/files/1/0432/6440/9764/files/modogejilikemam.pdf
- https://cdn.shopify.com/s/files/1/0431/1737/9750/files/filmmaking_for_beginners.pdf
- https://uploads.strikinglycdn.com/files/e351f532-404c-46b7-a4f0-a29e77b61f3d/39048488320.pdf
- https://uploads.strikinglycdn.com/files/905c3589-122d-47d0-845a-502ca05094df/weminixizopedobamuz.pdf
- https://uploads.strikinglycdn.com/files/69f99f60-3310-4173-af2c-f70224221fdf/peseparusugesinofavala.pdf
- https://uploads.strikinglycdn.com/files/2ae560e2-05ec-46d5-b80f-33ac552e9041/xolapuxukenasefefegobi.pdf
- https://uploads.strikinglycdn.com/files/9dfdae81-dd09-4ee8-af2f-3bbfc2ef26d8/sezusutesozagowigogipufo.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
Embedded domains
- ttraff.com
- jumuwubugunitus.weebly.com
- zuwumepegowivos.weebly.com
- molisemopum.weebly.com
- sibakixode.weebly.com
- cdn-cms.f-static.net
- uploads.strikinglycdn.com
- cdn.shopify.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 172.172.255.216
- 72.153.5.129
- 74.179.77.204
- 92.223.78.30
- 172.66.2.5
- 52.110.12.40
- 4.149.227.78
- 4.230.171.124
- 57.155.101.212
- 74.178.240.51
- 20.112.250.133
- 52.123.129.14
- 52.123.252.220
- 72.154.7.103
- 203.26.79.13
- 20.42.73.25
- 48.200.63.27
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report