MALICIOUS — sujupu.pdf

MALICIOUS — sujupu.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100). 4 of 50 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 8764c47cd486b8984a429d75d3d89f08a206e6af7a1cf0ca9d9584c8b87ae578
• SHA-1: 6744d33961c7f537a358e642141263e7e3890af6
• MD5: 3b6c01a5b835415b18e73f3358e58399
• ssdeep: 1536:U8UPnAvC8TGPE8MC/XNwlXAvb8MYM3qkfhiGv6uojjkXytQJYE/sjuA7k5:1UPnAvfmMCfNIXAvwGhiGv633kXyquR6
• TLSH: T17F37D0F39453EDDC7A96DF13B5E2152D2282D29D5132DAA090C4BB7C8C382ED7E24A41
• Submitted as: sujupu.pdf
• File type: pdf · Size: 75511 bytes
• Verdict: malicious (94/100)

Detections (4 of 50 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• ClamAV (daily): Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Emsisoft (Emergency Kit): PDF.Spam.Heur.1
• Kaspersky (KVRT): HEUR:Hoax.PDF.Phish.gen

MITRE ATT&CK

• T1566.002

Why this verdict

The malicious score of 94/100 is the fusion of 5 weighted signals:

• ClamAV (daily) flagged Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 (rule Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0) - engine signal, weight 0.90, confidence 0.95
• Embedded link rated suspicious by URL analysis: https://static1.squarespace.com/static/5fc0f8f692c50b1a1e77efcd/t/5fc2dbd0a97599144e568451/1606605777489/13156664683.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://traffnew.ru/wb?keyword=platform%20affiliate%20marketing, https://static1.squarespace.com/static/5fc0f8f692c50b1a1e77efcd/t/5fc2dbd0a97599144e568451/1606605777489/13156664683.pdf, https://static1.squarespace.com/static/5fc687f5df132613bbe462d8/t/5fc89cc7d32d012678fe1de8/1606982856168/tixekasisikiki.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

Dynamic analysis

No runtime behaviour was captured for this sample, so the analysis above is static only. That is a limit of this run rather than evidence the sample does nothing.

Embedded URLs

• https://traffnew.ru/wb?keyword=platform%20affiliate%20marketing
• https://static1.squarespace.com/static/5fc0f8f692c50b1a1e77efcd/t/5fc2dbd0a97599144e568451/1606605777489/13156664683.pdf
• https://s3.amazonaws.com/jefazaxal/alcalosis_metabolica_fisiopatologia.pdf
• https://static1.squarespace.com/static/5fc687f5df132613bbe462d8/t/5fc89cc7d32d012678fe1de8/1606982856168/tixekasisikiki.pdf
• https://static1.squarespace.com/static/5fc364d00a2757459bf2de76/t/5fc51ca54f9837572081fa63/1606753446162/gugegevulojumize.pdf
• https://static1.squarespace.com/static/5fc2ffcf239b0722913f05e8/t/5fc6c0231d106d256babaf98/1606860835958/smart_pulse_survey_app_5._2_download.pdf
• https://s3.amazonaws.com/winumigutam/11101837265.pdf
• https://uploads.strikinglycdn.com/files/94ad670d-caab-4841-b24f-5f21e0a97c8e/funaxuvagipobage.pdf
• https://s3.amazonaws.com/dutimajizowa/activity_2.2_perspective_sketching_answers.pdf
• https://uploads.strikinglycdn.com/files/b4986598-4f6e-45b9-8603-fd322f724124/world_at_war_zombies_mod_menu_ps3_no_jailbreak.pdf
• https://static1.squarespace.com/static/5fc1b51b40f1034a5cae9388/t/5fc31692a97599144e5da157/1606620818617/neverwinter_nights_refinement_points.pdf
• https://uploads.strikinglycdn.com/files/f9ab4bef-ee95-4329-95a1-7f564a8dccb0/23989001910.pdf
• https://static1.squarespace.com/static/5fc021705e8e827d4289a3fa/t/5fc0ea737acac6192ae25be1/1606478452097/stone_creek_property_management_gold_river_ca.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/

Embedded domains

• traffnew.ru
• static1.squarespace.com
• s3.amazonaws.com
• uploads.strikinglycdn.com
• www.w3.org
• purl.org
• ns.adobe.com

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report