Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6e0cf3db4a82f88…

MALICIOUS

PDF

81.5 KB Created: 2021-02-22 13:42:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: bee5a83d4b13183b109a95e0a7dd5bde SHA-1: 17968283c1af45228d4a6607e9409444775bec0d SHA-256: c6e0cf3db4a82f88cbe7a5ed1f855fbd10fd87445969f2875b884c0e16d2c322
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 0.9998

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://baarspo.ru/strik?utm_term=what+education+is+needed+to+join+the+military PDF link annotation
    • https://cdn.sqhk.co/vitimosugu/gg3ujiz/hex_file_compare_tool_windows.pdfIn PDF document text
    • https://cdn.sqhk.co/japewaturu/bHjakgf/denon_home_audio_equipment.pdfIn PDF document text
    • https://xekukagakodepa.weebly.com/uploads/1/3/3/9/133999272/669d70f53bb2173.pdfIn PDF document text
    • https://rabibenexu.weebly.com/uploads/1/3/5/3/135319922/simezaba_dojutasodakaz_rubepititu.pdfIn PDF document text
    • http://natgood.space/90837213914ksql4.pdfIn PDF document text
    • http://vittorguxx.site/372198462763hfci.pdfIn PDF document text
    • http://evatopshop.xyz/xuvapurssk4s.pdfIn PDF document text
    • https://lekibuwowobaveg.weebly.com/uploads/1/3/5/2/135295955/4d6f6ee59ca5ce.pdfIn PDF document text
    • http://dvigatel.guru/wanted_american_film_videoaj1nu.pdfIn PDF document text
    • http://keepxufi.space/litelixofinazuduruvopepiibhpm.pdfIn PDF document text
    • http://hihikane.space/kovinetidiwuzozenusoxuzudnqdx8.pdfIn PDF document text
    • http://lnstagram-blue-badge-form.com/36919659316ini7z.pdfIn PDF document text
    • https://cdn.sqhk.co/woledibiroju/iajjiha/lovescapes_mod_apk_download.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/tapelu/bug_coloring_sheet_for_toddlers.pdfIn PDF document text
    • https://s3.amazonaws.com/sewamos/ctet_last_date_form_fill_up.pdfIn PDF document text
    • https://s3.amazonaws.com/woneketelak/gusezapuvefukik.pdfIn PDF document text
    • http://guxenubegipus.epizy.com/zeros_of_a_function_worksheet.pdfIn PDF document text
    • http://rogidisili.rf.gd/injury_on_duty_report.pdfIn PDF document text
    • https://s3.amazonaws.com/fodose/vector_bkash_logo_free.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_off0001019a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1019A 5372 bytes
SHA-256: cc4c40d9d31585d695de0e703f91db1531974311eb27feebdef18c7aac1458ae
font_01_sfnt_off000113c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x113C8 10732 bytes
SHA-256: 93c7f6461a0c69fb11ef6d0018ab3517eaf62188308853c32e368ab7b6e16681

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