Malicious PDF — malware analysis report

Static analysis result for SHA-256 214423680b6eab6d…

MALICIOUS

PDF

73.6 KB Created: 2021-03-28 08:41:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 9b1a023ec541e37078657311c906bece SHA-1: b78519f484aa2dd3ae224155c6d2475377e45c2a SHA-256: 214423680b6eab6d5c2cb8a53d8f41e3ceb57d9c1ebb819667039ebf59f19bf9
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://bologen.ru/123?utm_term=fourier+transform+vs+wavelet+transform PDF link annotation
    • http://nikaold.site/index_imperium_2_franais8dnm5.pdfIn PDF document text
    • http://islta.fun/ipl_2019_time_tables4xol.pdfIn PDF document text
    • http://outputqwvk.space/carranza_periodontics8wxrx.pdfIn PDF document text
    • https://cdn.sqhk.co/linidivez/icAhcQ8/soccer_online_betting_usa.pdfIn PDF document text
    • https://cdn.sqhk.co/boxewemutox/ifuMgeV/builder_gel_nails_step_by_step.pdfIn PDF document text
    • https://cdn.sqhk.co/sarodeduz/iXjbgj1/55529855097.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/602588fb-49bb-4163-bd75-95d917b5e1d7/what_are_the_highest_paid_engineering_jobs_uk.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a8be5032-4d33-486d-b139-3a4abc94f0d5/86420103570.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/13252dbd-7e3d-4e6a-af3e-15c8a32d4196/jopuzegerofawisu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f9b112b3-14a1-4536-ba27-daa214f663de/nixijuvo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d6cf8ac0-80f7-443e-bd05-bb891de8a130/71350825522.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a6a47439-9ba1-40ef-acf3-a6d68d85aa70/ladonobafagefi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c881bbbd-f5bb-4e39-b56e-120fc34a2bca/61582720184.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/69a5cf5e-802b-432c-ace2-3e58a3572f83/52573108836.pdfIn PDF document text
    • https://s3.amazonaws.com/timeziso/59379474741.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/14eac887-0757-4002-b604-b7952293ff78/milaruxusofazofafemu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6231859c-ccae-4c41-b869-f80f7a724122/16807562945.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bb55414d-74f6-47ba-a567-33414aacdcfe/paroxofazapi.pdfIn PDF document text
    • https://s3.amazonaws.com/pegebunov/what_happened_when_rikki-tikki-tavi_became_angry.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/85ed2c32-2b44-4bba-87e4-ac3d60b03ce0/80678208349.pdfIn PDF document text
    • https://s3.amazonaws.com/tokatefozude/kazasi.pdfIn PDF document text
    • https://s3.amazonaws.com/faxaxos/beruxunibepojitol.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/357cb348-06a9-4624-81db-ba42e4466163/gedovojazitasagiguw.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e193.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE193 5020 bytes
SHA-256: 4d6f80e30febd6cd8cb15b82daccaa1d6be687d1224b1ceac976ce38d2e7ce4f
font_01_sfnt_off0000f2a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2A7 11428 bytes
SHA-256: b0b7c6f4a4e8bc59587c01dd11572655ecc2c5a9d170e23ebe9058e72d7fbac9