MALICIOUS — normal_5f9264f879dc9.pdf
MALICIOUS — normal_5f9264f879dc9.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100). 3 of 53 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
608bdd3e09f65790bf662ee012c0b850fb8decfec9cfd2f8f48fc2dd43f67149 - SHA-1:
bb66293a126807b2d78f376960cbaef3ac3e90f6 - MD5:
0e1cc206acb10cbaada02684fb972535 - ssdeep:
768:LgGzpDnpCFOJdveHoTNj0ApRDToq9P9XkZIJKlBimRN8xfko221WWdkS3toa1qAP:0GFrpCiclBimoGoRWWdkaqa1J8sh - TLSH:
T11534AEF324ABDC4E7A8A9B03E8AA0154654AC7CC7272A76054CC672CC4BC6FD7F50961 - Submitted as: normal_5f9264f879dc9.pdf
- File type: pdf · Size: 54906 bytes
- Verdict: malicious (75/100)
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 75/100 is the fusion of 7 weighted signals:
- Contacted 13 external host(s) at runtime (1 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/b284141b-5426-44c9-b918-c04799de0810/pugoruxiful.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://ttraff.link/123?keyword=quantitative+aptitude+and+reasoning+books+pdf, https://cdn-cms.f-static.net/uploads/4373998/normal_5f8b5b5a76402.pdf, https://cdn-cms.f-static.net/uploads/4384632/normal_5f8fb454227e0.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
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90 - Extracted generic config (9 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9690 behavior events · 1 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
- 250.255.255.239.in-addr.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
- 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
- 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
- 79.243.254.169.in-addr.arpa
- 255.255.254.169.in-addr.arpa
- 251.0.0.224.in-addr.arpa
- ntp.ubuntu.com
- 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/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
258ec31757eef1ec92cd040cdace7fd2a7a661a459eaef2f655d6d72789a3331 - C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\18934858a1adc1917029bc703e172625.png -
af44d36f6a3b5fd6917d0c0e4166680409c2fccb08918d4b4e398eb69729b090 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ttraff.link/123?keyword=quantitative+aptitude+and+reasoning+books+pdf
- https://s3.amazonaws.com/tajimipojimo/dopuwabasivode.pdf
- https://s3.amazonaws.com/gupuso/synonyms_exercises_advanced.pdf
- https://s3.amazonaws.com/sepawi/calculus_11th_edition_larson_download.pdf
- https://s3.amazonaws.com/bojafazes/28598844111.pdf
- https://s3.amazonaws.com/jamokaroxoj/79633557667.pdf
- https://s3.amazonaws.com/zirojopemup/venovezanatodogakuwo.pdf
- https://cdn-cms.f-static.net/uploads/4373998/normal_5f8b5b5a76402.pdf
- https://cdn-cms.f-static.net/uploads/4384632/normal_5f8fb454227e0.pdf
- https://cdn.shopify.com/s/files/1/0435/5915/7921/files/synergy_260_garage_door_opener_manual.pdf
- https://cdn.shopify.com/s/files/1/0500/4764/7894/files/4191964714.pdf
- https://cdn.shopify.com/s/files/1/0495/5062/2872/files/kimiwolawuvekoter.pdf
- https://cdn.shopify.com/s/files/1/0500/5767/4920/files/cmp3_grade_7.pdf
- https://cdn.shopify.com/s/files/1/0500/0996/4735/files/wifeboxaki.pdf
- https://uploads.strikinglycdn.com/files/b284141b-5426-44c9-b918-c04799de0810/pugoruxiful.pdf
- https://uploads.strikinglycdn.com/files/c84ced85-43b2-4d61-b085-f4ae5987b931/sesalosugig.pdf
- https://uploads.strikinglycdn.com/files/c7dfa36f-562d-4c6a-8858-c62e0b42d96f/83385965017.pdf
- https://uploads.strikinglycdn.com/files/a17bc1ad-6142-4f01-8c53-8f1fbc98ee0a/dupexefanix.pdf
- https://uploads.strikinglycdn.com/files/1bade373-c9b6-403e-aa41-6692e0cb0dd9/18441939478.pdf
- https://cdn-cms.f-static.net/uploads/4366327/normal_5f8716543e58e.pdf
- https://cdn-cms.f-static.net/uploads/4374532/normal_5f8e8a63e0b4e.pdf
- https://cdn-cms.f-static.net/uploads/4369524/normal_5f8a507fd027a.pdf
- https://cdn-cms.f-static.net/uploads/4371514/normal_5f8c492f5528f.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
Embedded domains
- ttraff.link
- s3.amazonaws.com
- cdn-cms.f-static.net
- cdn.shopify.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.184.175.21
- 74.178.76.128
- 4.150.223.101
- 52.123.252.230
- 52.110.12.47
- 57.154.63.210
- 135.233.95.144
- 52.123.252.235
- 4.150.223.112
- 20.231.239.246
- 203.26.79.13
- 162.159.36.2
- 4.230.171.124
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report