MALICIOUS — normal_5f9d50c6dff15.pdf
MALICIOUS — normal_5f9d50c6dff15.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (72/100). 2 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
b8c451a48da2ba39370a1da7b2fd322eb833bb63395fb8855363019ba13e8ec1 - SHA-1:
39fa249b2da8f68af8453a10595c9f424ee7bf4f - MD5:
9ea5d4d3a812bfe23a75a52303d937f6 - ssdeep:
768:PgGzpDDdrzAmagv1mqLtT4xM7yhoMXJ/xkzq8CxsoTvym9KcvJN+i8:4GFPRlyhP/xkQx7TvympvJN+i8 - TLSH:
T184319DF71097EC4C3B86DB437EAB1189668AC78C5032A7A099C8332CD87C1BE7D51861 - Submitted as: normal_5f9d50c6dff15.pdf
- File type: pdf · Size: 42306 bytes
- Verdict: malicious (72/100)
Detections (2 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The malicious score of 72/100 is the fusion of 6 weighted signals:
- Contacted 17 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/0e8a940a-caca-4524-9219-e023e042eab5/31638956352.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://ttraff.ru/123?keyword=15th+wedding+anniversary+color, https://cdn.shopify.com/s/files/1/0437/5209/5898/files/nelobebaduvesegur.pdf, https://uploads.strikinglycdn.com/files/0e8a940a-caca-4524-9219-e023e042eab5/31638956352.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 (5 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9754 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
- 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
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\5c5b65b60709d4938c45f760d17dee1f.png -
ee95b2fecc4edab80fb3f818f3dfc78dabcd0a4db7a3072fe16963c5edc44153 - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
2f5beba61547362f6564c174cf85c0cdda27a0cb367e62bb4bce0789ebe93e56 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://ttraff.ru/123?keyword=15th+wedding+anniversary+color
- https://s3.amazonaws.com/fujadabez/vuxusonoxeni.pdf
- https://cdn.shopify.com/s/files/1/0437/5209/5898/files/nelobebaduvesegur.pdf
- https://uploads.strikinglycdn.com/files/0e8a940a-caca-4524-9219-e023e042eab5/31638956352.pdf
- https://uploads.strikinglycdn.com/files/dd30b144-2e62-4366-8fe3-d23d221dca3c/lawler_middle_school_supply_list.pdf
- https://cdn.shopify.com/s/files/1/0434/0780/2518/files/dugexesodizip.pdf
- https://cdn.shopify.com/s/files/1/0500/4771/3450/files/93275856517.pdf
- https://s3.amazonaws.com/jamokaroxoj/bureaucratic_management_theory.pdf
- https://cdn.shopify.com/s/files/1/0268/8113/0680/files/noponotaterawomubo.pdf
- https://cdn.shopify.com/s/files/1/0496/2792/2583/files/fiat_grande_punto_manual_english.pdf
- https://cdn.shopify.com/s/files/1/0432/6857/1299/files/tolitusomebuzivewagat.pdf
- https://uploads.strikinglycdn.com/files/9f62c0ff-8e36-4f8a-9c99-91d626c8fa17/canon_7d_firmware_2.0.5_review.pdf
- https://uploads.strikinglycdn.com/files/485ab0cf-b848-40ef-96b3-c31b3d2f8643/6119299153.pdf
- https://cdn.shopify.com/s/files/1/0266/9654/8530/files/knowledge_transfer_template_ppt.pdf
- https://cdn.shopify.com/s/files/1/0502/0165/7534/files/what_is_the_discriminant_formula.pdf
- https://cdn.shopify.com/s/files/1/0505/4450/9111/files/hemmeligt_nummer_p_android.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/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Embedded domains
- ttraff.ru
- s3.amazonaws.com
- cdn.shopify.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 4.207.44.66
- 13.89.179.12
- 4.207.44.64
- 52.230.59.222
- 52.110.12.28
- 4.230.171.124
- 85.210.193.152
- 74.178.240.51
- 74.179.77.204
- 40.99.133.210
- 52.123.128.14
- 40.99.133.226
- 135.232.92.34
- 203.26.79.13
- 135.233.45.223
- 92.223.78.30
- 20.42.65.89
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report