Malicious PDF — malware analysis report

Static analysis result for SHA-256 949b0a88cd14e5ee…

MALICIOUS

PDF

76.8 KB Created: 2021-02-26 23:07:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 1e9c8c05b2ab9098fe7776eac32fc520 SHA-1: c01b7e68c863de7da2b69ba023d111820fc09ccd SHA-256: 949b0a88cd14e5eef64e9d7aa7ba3d84e1df7c7235ed1ab82c92fb662dd371da
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains an embedded URL that mimics a search result, likely intended to trick the user into clicking it. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to redirect the user to a malicious site, potentially for further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://leonvi.ru/award?keyword=how+to+paint+trees+with+acrylics+for+beginners PDF link annotation
    • http://tokigarodam.22web.org/jukefigir.pdfIn PDF document text
    • http://iclod.tech/frontier_fios_gateway_router_fios-g1100-ft_firmware_updateuhiw4.pdfIn PDF document text
    • http://gotedez.22web.org/nasikufurokavisunuzemuti.pdfIn PDF document text
    • http://zarepaputome.iblogger.org/53858583237.pdfIn PDF document text
    • http://hookup668.site/71645495065djpnw.pdfIn PDF document text
    • http://kizijele.iblogger.org/donald_kraig_modern_magick.pdfIn PDF document text
    • http://espaceabonne.com/malformation_de_chiari_type_1_et_2yzgxh.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://madijobap.epizy.com/best_crossfit_wods_with_running.pdfIn PDF document text
    • http://xoponupesede.epizy.com/friends_lyrics_video.pdfIn PDF document text
    • https://s3.amazonaws.com/jenagubadopi/bawolubonixixo.pdfIn PDF document text
    • http://wegatanubuguze.rf.gd/call_history_app_free.pdfIn PDF document text
    • https://s3.amazonaws.com/viboxikuz/mibiruvosoxamajuposama.pdfIn PDF document text
    • https://s3.amazonaws.com/jowutoneranemuk/3807578219.pdfIn PDF document text
    • https://s3.amazonaws.com/perurulexi/thousand_cankers_disease_fact_sheet.pdfIn PDF document text
    • https://s3.amazonaws.com/fosawef/halloween_coloring_sheets_printable_free.pdfIn PDF document text
    • http://tipopetudigovib.epizy.com/luvosazelodijominopi.pdfIn PDF document text
    • http://dupofax.rf.gd/business_card_template_psd_vistaprint.pdfIn PDF document text
    • https://s3.amazonaws.com/dazuxujepov/escala_de_braden_q_para_pediatria.pdfIn PDF document text
    • https://s3.amazonaws.com/dusined/bodycon_dress_formal_dresses.pdfIn PDF document text
    • https://s3.amazonaws.com/nemafu/vipuw.pdfIn PDF document text
    • https://s3.amazonaws.com/kodipopujufipig/1993166692.pdfIn PDF document text
    • https://s3.amazonaws.com/rebesudanolo/47319143466.pdfIn PDF document text
    • http://kunerev.epizy.com/30792962969.pdfIn PDF document text
    • https://s3.amazonaws.com/xarojapi/bowflex_m5_for_sale_edmonton.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_off0000ef83.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF83 5572 bytes
SHA-256: 31aef760379b963126a7f214148c163c879ed3bcc2fbd5ca8ebf652d85483f85
font_01_sfnt_off0001028a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1028A 10240 bytes
SHA-256: d7f0bee39eab7aa1f5d3d81d1f08563b1e0ebded121252af5864efd4d6f5458f

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