Malicious PDF — malware analysis report

Static analysis result for SHA-256 07ce3d447ab5e0b4…

MALICIOUS

PDF

75.4 KB Created: 2021-05-18 03:00:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-14
MD5: fb08144bff0db0be90a272295a0ab941 SHA-1: de4ac882d96f9590a2832110b1c9b3e5814ed4f1 SHA-256: 07ce3d447ab5e0b471b6008719edc3f572f292fcc26f15114fb3763c371664b7
136 Risk Score

Malware Insights

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

The PDF contains a heuristic indicating a payment redirection lure, suggesting a phishing attempt to trick users into updating financial details. The embedded URL points to a suspicious domain, likely serving as the initial landing page for the phishing scheme. No scripts were extracted, but the overall pattern strongly suggests a phishing attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
  • 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://vilenefex.ru/strik?utm_term=mr+heater+big+maxx+thermostat+wiring PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4407729/normal_5fcb76471e432.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4480383/normal_5fe0d5e6d235c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459624/normal_602a97b8baabc.pdfIn PDF document text
    • http://kosodidaxelo.22web.org/login_page_template_for_android_app.pdfIn PDF document text
    • http://duzeliwuk.iblogger.org/applied_behavior_analysis_for_teachers_ninth_edition.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418747/normal_602471abbd09f.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/vatosolikijike/xodirexazewiju.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cf3a6e07-3dda-428e-8b14-1bbf8db49b83/89889971056.pdfIn PDF document text
    • https://s3.amazonaws.com/xutomoxu/64292618157.pdfIn PDF document text
    • https://s3.amazonaws.com/wupuxus/ghost_boy_lyrics_widowspeak.pdfIn PDF document text
    • https://s3.amazonaws.com/nefagolom/class_12_biology_important_questions.pdfIn PDF document text
    • http://xajofad.rf.gd/anlise_combinatria_e_probabilidade_morgado_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c4e5585d-e1c2-4307-b2ad-73d3ce9c02d3/taurus_pt111_g2_holster_bass_pro_shop.pdfIn PDF document text
    • http://rawozenagi.epizy.com/80571225127.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cb28dc07-2632-44be-bf41-2174c7cf6b9f/36540316366.pdfIn PDF document text
    • http://woxutonugosafer.epizy.com/28957087545.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/385c9214-9f16-439c-845b-133a93ab24a2/barbie_moda_mgica_en_pars_pelicula_completa_en_espaol_youtube.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4dd94e19-fee4-44b9-a864-ac4f9bb0f719/printable_ged_practice_test.pdfIn PDF document text
    • http://dufedowukej.rf.gd/99282755344.pdfIn PDF document text
    • https://s3.amazonaws.com/mejobu/civ_iv_strategy_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/652748fc-81c4-47cf-b71f-acf214d0024f/android_developer_course_fees_in_ahmedabad.pdfIn PDF document text
    • http://dujizadixupodur.epizy.com/agribusiness_meaning.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_off0000e9c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE9C5 5372 bytes
SHA-256: 058ed5b368a6b7284a5f95da95d3a23fa5dbf68327ec5f88c29b041eac697492
font_01_sfnt_off0000fc00.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC00 10908 bytes
SHA-256: 8e0a4689100246029104c39770e5661622e907cbef9b2ee3c437c0155873ff35

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