Malicious PDF — malware analysis report

Static analysis result for SHA-256 074f5f1714a93862…

MALICIOUS

PDF

82.7 KB Created: 2021-03-27 20:16:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-13
MD5: 6c28c0c253a5df2f3c2fdaf4d410e373 SHA-1: a65c3e62dc75ad94e9097d7c529071b8e821fe4e SHA-256: 074f5f1714a93862a76613f4c2fd8aa6ea0d81403b65d64ed7fc083bfab1df39
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URI pointing to a suspicious domain, likely intended to trick the user into visiting a phishing or malware distribution site. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. Although no scripts were explicitly extracted, the presence of external URIs and the overall detection suggest a phishing lure.

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://zajinet.ru/123?utm_term=works+cited+mla+format+website+article PDF link annotation
    • http://vpntop.info/bassinet_sheets_adairs0mmn0.pdfIn PDF document text
    • http://legiontry.online/39723241592qaobx.pdfIn PDF document text
    • http://activa-fb.com/facebook_app_free_for_windows_mobilever83.pdfIn PDF document text
    • http://pokypka.xyz/praise_and_worship_songs_2020_mp3x1kxj.pdfIn PDF document text
    • http://xsafak.com/91248604571eefv.pdfIn PDF document text
    • http://golifidisonopat.iblogger.org/how_to_put_a_curtain_rod_on_a_metal_door.pdfIn PDF document text
    • http://hallop.xyz/excel_2013_download_free_full_versionckqqa.pdfIn PDF document text
    • http://polokuvek.iblogger.org/49464919447.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/wumodukubaru/jilabipuwugatowojokibuk.pdfIn PDF document text
    • https://s3.amazonaws.com/kovilowab/budget_form_nz.pdfIn PDF document text
    • https://s3.amazonaws.com/remeranexe/40324416904.pdfIn PDF document text
    • https://s3.amazonaws.com/fatikonavori/18457742765.pdfIn PDF document text
    • http://povasapodojika.epizy.com/lasima.pdfIn PDF document text
    • http://vedexokorixika.rf.gd/wivefajekinuxovepoziwa.pdfIn PDF document text
    • https://s3.amazonaws.com/zabejuvijolu/38516280080.pdfIn PDF document text
    • http://lizonidomada.rf.gd/how_to_convert_tex_to.pdfIn PDF document text
    • https://s3.amazonaws.com/jalasilunaz/buwesawitenuvuluw.pdfIn PDF document text
    • https://s3.amazonaws.com/zoxewudunigus/elexon_bmrs_reports.pdfIn PDF document text
    • http://xerunur.rf.gd/probabilidad_y_estadistica_para_ingenieria_william_w._hines.pdfIn PDF document text
    • https://s3.amazonaws.com/banula/anyconnect_client_ordering_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/batoragubukepo/cyclops_15_million_candlepower_spotlight_manual.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_off00010443.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10443 5476 bytes
SHA-256: 318ad6ce6d1ec18f11e7421452b81019d0155ff211803413c9f3e51b6b5812b2
font_01_sfnt_off000116eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x116EB 11232 bytes
SHA-256: 764166bfe7b486b35e3660b1d60952390b01427e53ba8abb5b262e07c06e21a6