Malicious PDF — malware analysis report

Static analysis result for SHA-256 07dbab9ba548f38e…

MALICIOUS

PDF

76.1 KB Created: 2021-02-19 23:24:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 199f657ed445fb0653a6a2345993d26a SHA-1: 625cb2fb1f8f1ef1195a0b70934c935469b395d4 SHA-256: 07dbab9ba548f38e143fe33babaabf33fd95ebde37a918251cdb59ca15d7a5fb
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The embedded URL points to a site offering a hack for a popular game, a common lure for phishing or malware. Although no scripts were directly extracted, the PDF structure and embedded URI suggest it's designed to redirect users to malicious content.

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://seumenha.ru/wix?keyword=doodle+army+2+mini+militia+hack+ios PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4472479/normal_60014816e0206.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4372723/normal_5feb7cb6eaa18.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370746/normal_5fd2fae718a16.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380539/normal_602a4d8cd2dfc.pdfIn PDF document text
    • http://amst-watch-v2.club/solving_linear_equations_using_substitution_method_worksheets2o8wk.pdfIn PDF document text
    • http://probkin34.xyz/fesavijah29.pdfIn PDF document text
    • http://abistrans.ru/97328571019p4a3s.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446283/normal_5ff9391426a14.pdfIn PDF document text
    • http://hookup681.site/hansel_and_gretel_story_summary_with_picturesrohvm.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4444864/normal_600bff76ce7dc.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://bukusisege.rf.gd/wolexilupuvopilanufo.pdfIn PDF document text
    • http://zikinevubebera.epizy.com/26537234954.pdfIn PDF document text
    • https://s3.amazonaws.com/fejenijovekozu/decorated_sheet_cakes_near_me.pdfIn PDF document text
    • https://s3.amazonaws.com/wusigipufuvowix/82784669566.pdfIn PDF document text
    • https://s3.amazonaws.com/vavapekadoliti/miguel_adorn_music.pdfIn PDF document text
    • https://s3.amazonaws.com/dazemi/12518225265.pdfIn PDF document text
    • https://s3.amazonaws.com/sinadi/51000208683.pdfIn PDF document text
    • http://fefekug.rf.gd/itouch_smart_watch_manual.pdfIn PDF document text
    • http://vabedagexod.rf.gd/93916785197.pdfIn PDF document text
    • http://pelewonaxiguso.epizy.com/interview_questions_for_automation_engineer.pdfIn PDF document text
    • https://s3.amazonaws.com/voxipanovigepiv/what_to_write_in_my_nieces_18th_birthday_card.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_off0000edaa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDAA 5476 bytes
SHA-256: 279afb89f8f6c6669bcbcd3d53053b796494c746c0435a3d66b37ba80d87a6ca
font_01_sfnt_off0001002d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1002D 10272 bytes
SHA-256: ccbf63343e54d92721df463986ffee8e15bdfb21dd5c69349493617ebd6def0b

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