Malicious PDF — malware analysis report

Static analysis result for SHA-256 24d2dff295ee7019…

MALICIOUS

PDF

81.2 KB Created: 2021-03-03 21:09:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: dbf53e3f863f1040e7bd6e0f6831267c SHA-1: 0df993789998d3e5199dad44723635294b998f55 SHA-256: 24d2dff295ee70191539a0599145aaf45deb48c2794d6ceafe46527eb02663d1
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URI that directs the user to a URL seemingly offering a game mod download. This is a common lure for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to distributing unwanted software or further malicious payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://dugedepap.ru/wix?keyword=download+nba+2k12+mod+apk PDF link annotation
    • http://usacreditreport.info/femopukololokamatiwi1aulr.pdfIn PDF document text
    • http://jojidasusesot.sportsontheweb.net/lojelinuzu.pdfIn PDF document text
    • http://nitiwopororotef.mypressonline.com/29975514417.pdfIn PDF document text
    • http://cyberghost.store/outlook_email_signature_design_template1lzvd.pdfIn PDF document text
    • http://fapseo.ru/4542246063xwmds.pdfIn PDF document text
    • http://beririka.scienceontheweb.net/how_to_find_anti_theft_code.pdfIn PDF document text
    • http://fajujefa.getenjoyment.net/walusuvesakifatix.pdfIn PDF document text
    • http://aazzzry.space/1698958939514az9.pdfIn PDF document text
    • http://joweponula.mywebcommunity.org/the_complete_tales_of_winnie_the_pooh_book.pdfIn PDF document text
    • http://gayerkan.com/2909099765049exw.pdfIn PDF document text
    • https://cdn.sqhk.co/limizolaxa/hphddjb/76053912901.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/veledabejufi/71165963356.pdfIn PDF document text
    • https://s3.amazonaws.com/vosimalume/is_30_minutes_of_yoga_a_day_enough_exercise.pdfIn PDF document text
    • http://tuzuxutetug.atwebpages.com/how_to_do_stop_motion_animation_on_imovie_ipad.pdfIn PDF document text
    • https://s3.amazonaws.com/zafijukopa/34578701483.pdfIn PDF document text
    • https://s3.amazonaws.com/wukara/changing_fractions_to_decimals_and_percentages_worksheets.pdfIn PDF document text
    • https://s3.amazonaws.com/zesotat/jekesazapidub.pdfIn PDF document text
    • https://s3.amazonaws.com/jukezeluf/atari_star_raiders_manual.pdfIn PDF document text
    • http://rujidafedisezu.atwebpages.com/ramdev_yoga_book_in_hindi.pdfIn PDF document text
    • http://muzulozak.atwebpages.com/pyxis_medstation_3500_specifications.pdfIn PDF document text
    • https://s3.amazonaws.com/kujapomib/msw_watergate_bay_surf_report.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_off0000f734.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF734 5312 bytes
SHA-256: 2a46ae806e4cb8a07e61fe3cafc2e3d9d94cadd077d46d2850e6a7e4fc5d6ea9
font_01_sfnt_off0001094e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1094E 14900 bytes
SHA-256: e13e533fdd43f42e73f587d68a752eb4c241627bb44fa629bee02d95a72c9a16

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