Malicious PDF — malware analysis report

Static analysis result for SHA-256 edf89ff772577671…

MALICIOUS

PDF

70.3 KB Created: 2021-04-22 17:57:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: fbcf8ebf948ecb9cacd5d3d53ab3a686 SHA-1: 98dd88397f494f03663fe8dbd98a5d4b61b9c95c SHA-256: edf89ff772577671b8f6e418dbfbb8a709b42489e0d59912b9e963b2c12051f6
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 0.9997

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://gimoguvi.ru/strik?utm_term=cloud+9+vapor+mesquite PDF link annotation
    • http://goodsun.space/cargador_duracell_is1000ig405.pdfIn PDF document text
    • https://cdn.sqhk.co/rotonoba/ciifjdg/halloween_2020_full_moon_blue_moon.pdfIn PDF document text
    • http://padlamadla.site/how_to_use_a_brother_xl2600i_sewing_machinep2l0k.pdfIn PDF document text
    • https://cdn.sqhk.co/sadebupunen/hxijjbV/brain_dots_level_126_solution.pdfIn PDF document text
    • http://lobabinuladeri.medianewsonline.com/naligibarubuvopatejilim.pdfIn PDF document text
    • http://vemasujananexu.22web.org/60770864257.pdfIn PDF document text
    • http://albatros-trans.ru/78695792961ffjty.pdfIn PDF document text
    • http://ijmalan.xyz/eminem_toy_soldiers_mp3_downloadk32bn.pdfIn PDF document text
    • https://cdn.sqhk.co/vazaradigif/jcMhggg/5206408437.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/lotibabakuj/standard_stainless_steel_sheet_metal_gauges.pdfIn PDF document text
    • http://xasoxutek.epizy.com/contoh_format_scope_of_work.pdfIn PDF document text
    • https://s3.amazonaws.com/gopifu/dekexowaxul.pdfIn PDF document text
    • https://s3.amazonaws.com/sepovutapakogaf/71557705524.pdfIn PDF document text
    • http://wawutanow.epizy.com/81954930251.pdfIn PDF document text
    • http://jefusebu.epizy.com/articles_in_english_exercises_with_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/bededuxotulapil/sojikefugusatomezewexod.pdfIn PDF document text
    • http://ziwivazud.onlinewebshop.net/2017_can_am_outlander_570_service_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/fumiposamisur/54666815868.pdfIn PDF document text
    • https://s3.amazonaws.com/bomifabipi/coral_bleaching_and_climate_change_answers.pdfIn PDF document text
    • http://zikefekumir.epizy.com/class_12_rbse_biology_practical_book.pdfIn PDF document text
    • https://s3.amazonaws.com/bulujono/collections_book_8th_grade_answers.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_off0000d279.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD279 5352 bytes
SHA-256: 0fc36919d28c6dc6d021af6af1ab3d189abf217b8334ff7deaa57905303ea713
font_01_sfnt_off0000e493.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE493 11676 bytes
SHA-256: f5ac6449ff6558b2efc5414637164ba229244fb27a4c662b1130ac230415c07c

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