Malicious PDF — malware analysis report

Static analysis result for SHA-256 f1c84fb4774cbb96…

MALICIOUS

PDF

75.6 KB Created: 2021-03-06 05:25:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-14
MD5: 4540c5b32e9582f76e4a5b01cef0fd79 SHA-1: 08c277fb2ae6850bc20386b88b6d215856417ef1 SHA-256: f1c84fb4774cbb966be42ebc49d4a075b7f49cb6a6572231a6ac3a101329f934
94 Risk Score

Malware Insights

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

The PDF contains an embedded URI pointing to a suspicious domain, and multiple other unknown URLs were extracted. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6484

Heuristics 3

  • 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
  • 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://bologen.ru/strik?utm_term=can+i+become+an+emt+in+high+school PDF link annotation
    • http://mailedflkf.site/mobagavilodaxodeynd7g.pdfIn PDF document text
    • http://mandarins.space/cards_against_humanity_online_examplesfvr2z.pdfIn PDF document text
    • http://geleostone.online/738122026q8liw.pdfIn PDF document text
    • http://bumufirila.mygamesonline.org/situpewatitawe.pdfIn PDF document text
    • http://galufixagomedo.getenjoyment.net/the_8th_habit_videos_legacy.pdfIn PDF document text
    • http://nonretloli.site/dragon_quest_11_definitive_editioncpblv.pdfIn PDF document text
    • http://siondez.ru/nixon_watch_warranty_ukno5ss.pdfIn PDF document text
    • https://cdn.sqhk.co/fabunavaxa/gidjaFM/93331745336.pdfIn PDF document text
    • http://zvezdasevera.online/fractal_capacitor_guidei9clq.pdfIn PDF document text
    • https://cdn.sqhk.co/vusutazomaga/jcjhhIW/vijexanobesaxibosujotavim.pdfIn PDF document text
    • http://good-production18.site/29278449397ir9gw.pdfIn PDF document text
    • http://kneeksi.ru/google_excel_sheet_apkt0jop.pdfIn PDF document text
    • http://nebo-baikala.ru/91669289414yxdoc.pdfIn PDF document text
    • http://letxxnx.org/20047416151zga8h.pdfIn PDF document text
    • https://cdn.sqhk.co/jekurona/gfrirhB/nick_robinson_movies_and_shows.pdfIn PDF document text
    • http://welitizenowem.mywebcommunity.org/kebilewebimiladalapupig.pdfIn PDF document text
    • http://laribij.scienceontheweb.net/honeywell_hyf290e_quietset_tower_fan_review.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://womawujun.atwebpages.com/my_polaroid_speaker_wont_turn_on.pdfIn PDF document text
    • https://s3.amazonaws.com/wukevirenesu/8854603337.pdfIn PDF document text
    • https://s3.amazonaws.com/zasepo/58521539180.pdfIn PDF document text
    • https://s3.amazonaws.com/vososasoxumete/dispatch_note_template.pdfIn PDF document text
    • https://s3.amazonaws.com/zategafozasiru/28566238817.pdfIn PDF document text
    • https://s3.amazonaws.com/juzewojavomofew/lulelarupozetarutonutep.pdfIn PDF document text
    • https://s3.amazonaws.com/zaxefemebidaz/navy_seals_training_guide_mental_toughness.pdfIn PDF document text
    • https://s3.amazonaws.com/difigomisosak/cant_get_hp_computer_to_turn_on.pdfIn PDF document text
    • https://s3.amazonaws.com/marimejerebo/apex_game_pc.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00011127.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11127 5068 bytes
SHA-256: e2a3be67ec52919d8e932f1bfffc2d8bc9b5d3836c6c02be158008f3dfbcbc01

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