Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6acec9b706b1c88…

MALICIOUS

PDF

76.9 KB Created: 2021-03-03 02:14:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-03
MD5: c5af5621231ccbf5f795264b0645e220 SHA-1: 8956c96fbd08ae34ea88e111917c5a15b275a34c SHA-256: d6acec9b706b1c888586254a15f420daeb98daaead337c310be3ffc3d12f3f13
96 Risk Score

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to 'soxebez.ru', which is likely part of a phishing campaign. The document body, though heavily obfuscated, contains references to 'gamestop.com codes', suggesting a lure related to that retailer.

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://soxebez.ru/strik?utm_term=www+gamestop+com+codes PDF link annotation
    • https://cdn.sqhk.co/fetumamuv/gdjiggN/63022872109.pdfIn PDF document text
    • http://hotita.space/484084771087uky1.pdfIn PDF document text
    • https://cdn.sqhk.co/mugegiduveb/eihjgc5/mud_bogs_2020_alberta.pdfIn PDF document text
    • http://wumupowon.22web.org/56716743144.pdfIn PDF document text
    • http://daxikurasaz.iblogger.org/39880709413.pdfIn PDF document text
    • https://cdn.sqhk.co/kojupiloxifi/gd0picJ/14766728969.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://selanas.rf.gd/d_d_3._5_artificer_handbook.pdfIn PDF document text
    • http://dudibagigop.rf.gd/how_to_stretch_a_karate_belt_wikihow.pdfIn PDF document text
    • https://s3.amazonaws.com/lulelepese/crusaders_of_light_paladin_of_daylight_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/kizugokofo/apa_latex_template.pdfIn PDF document text
    • http://todonoto.epizy.com/jomadaruzidojen.pdfIn PDF document text
    • https://s3.amazonaws.com/vexosafugunu/animation_software_with_crack.pdfIn PDF document text
    • http://kevakop.epizy.com/petelaroxewurekedabez.pdfIn PDF document text
    • https://s3.amazonaws.com/fejififimaketo/79239132281.pdfIn PDF document text
    • http://fadojogepu.epizy.com/troy_bilt_horse_xp_owners_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/xukanomarexumu/febugawasigegabaxujiwed.pdfIn PDF document text
    • https://s3.amazonaws.com/veraxawewib/52536617345.pdfIn PDF document text
    • https://s3.amazonaws.com/somisilegex/adobe_acrobat_reader_app.pdfIn PDF document text
    • https://s3.amazonaws.com/somisilegex/diliboruzemidi.pdfIn PDF document text
    • http://gefifeji.rf.gd/sidexujonaruvafagesi.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_off0000ed4e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED4E 5372 bytes
SHA-256: f02eb1768fb10c537a155ed23062e39cecaa81a62db014794e85a3728a33a2dd
font_01_sfnt_off0000ffa2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFFA2 11472 bytes
SHA-256: 50fc6b3436cedfdeeeeabb46a3d22a251e479cc74648036b19371d79084dd0e1

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