MALICIOUS — escuela_de_pastoral_lecciones_y_tare.pdf

MALICIOUS — escuela_de_pastoral_lecciones_y_tare.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (72/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 68eec8ecf05aced51e591a015f24702b6d7000cb8736718fbd10ee7e75107f54
• SHA-1: a5c6d65a25f771cf9e3e10d60ca0e2d25953c418
• MD5: e481f84dc6090cd813b6d0bdbb4dd832
• ssdeep: 768:KgGzpDwBUxGp+NHQdvruGOjez/TFGiZU1wxWXFLzo92STTWnlAN+A8LAnlQm:XGF02UpaHQdz//TFpkwgpMDTWlsfwxm
• TLSH: T177339DF300ABDD4C7ACBEF4359BA215EA049D78870729BA415A8772CC4782BD7F11990
• Submitted as: escuela_de_pastoral_lecciones_y_tare.pdf
• File type: pdf · Size: 50379 bytes
• Verdict: malicious (72/100)

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

• T1105
• T1566.002

Why this verdict

The malicious score of 72/100 is the fusion of 6 weighted signals:

• Contacted 19 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/b2923a41-d39c-463b-abed-25e42dc77b8f/poxifiteku.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://gettraff.ru/strik?keyword=escuela+de+pastoral+lecciones+y+tare, https://uploads.strikinglycdn.com/files/b2923a41-d39c-463b-abed-25e42dc77b8f/poxifiteku.pdf, https://uploads.strikinglycdn.com/files/4dc53fcd-8671-426a-bb42-950b85e7ae4e/hanoi_postal_code.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 (4 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9806 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
• 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
• 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
• desktop-hsgcbep
• 250.255.255.239.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

Dropped files

• C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - 7d981ccfd61ed580068a0c0909ba3ce948fabead868df0584e54b8c10b86ce57
• C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\7a21a9a41671aaf96669da4db03cfdcc.png - 06482d77620685337740789e28a7ca7f6934020d80a8b9441c2a03d79bdf955e
• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• https://gettraff.ru/strik?keyword=escuela+de+pastoral+lecciones+y+tare
• https://uploads.strikinglycdn.com/files/b2923a41-d39c-463b-abed-25e42dc77b8f/poxifiteku.pdf
• https://uploads.strikinglycdn.com/files/4dc53fcd-8671-426a-bb42-950b85e7ae4e/hanoi_postal_code.pdf
• https://uploads.strikinglycdn.com/files/a2496854-b4e4-4758-b677-46fbb1cb6bf2/fomuriw.pdf
• https://xujaxivef.weebly.com/uploads/1/3/1/4/131438557/a32b3aef.pdf
• https://gajokemijibefe.weebly.com/uploads/1/3/4/4/134467094/jifaxef_tolatit_zonutu_dufafomebeziwer.pdf
• https://kudojazejugir.weebly.com/uploads/1/3/4/3/134322101/823db21.pdf
• https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/jibigamefomoni.pdf
• https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/baputedev.pdf
• https://malalufapavi.weebly.com/uploads/1/3/4/4/134481779/5cfec5d10947.pdf
• https://s3.amazonaws.com/zuxadol/66646592402.pdf
• https://s3.amazonaws.com/zetare/499515698.pdf
• https://s3.amazonaws.com/fuwenoxuzasila/equations_with_algebraic_fractions_worksheet.pdf
• https://s3.amazonaws.com/sugaguxagu/grade_12_calculus_and_vectors_textbook_solutions.pdf
• https://s3.amazonaws.com/vavebufevodutob/fofudikefedewedarawo.pdf
• https://s3.amazonaws.com/fosagoba/allen_test_papers_2018_neet.pdf
• https://s3.amazonaws.com/zedilegol/converter_to_word_filehippo.pdf
• https://s3.amazonaws.com/sorogamat/como_hacer_bioplastico.pdf
• https://s3.amazonaws.com/mefovu/study_of_common_food_adulterants.pdf
• https://s3.amazonaws.com/figugipopar/manual_arcmap_10._2.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/

Embedded domains

• gettraff.ru
• uploads.strikinglycdn.com
• xujaxivef.weebly.com
• gajokemijibefe.weebly.com
• kudojazejugir.weebly.com
• fijojonibiw.weebly.com
• bedizegoresupa.weebly.com
• malalufapavi.weebly.com
• s3.amazonaws.com
• www.w3.org
• purl.org
• ns.adobe.com

Embedded IP addresses

• 72.153.5.129
• 172.172.255.216
• 4.150.223.115
• 52.110.12.32
• 52.110.12.14
• 4.230.171.124
• 20.42.179.192
• 4.155.90.37
• 74.179.77.204
• 20.42.73.24
• 40.99.133.226
• 52.123.129.14
• 40.103.64.226
• 135.233.45.221
• 20.165.94.46
• 203.26.79.13
• 92.223.78.30
• 20.184.175.8
• 52.148.114.188

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report