Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d158f464aeb5c8d…

MALICIOUS

PDF

80.2 KB Created: 2021-03-14 14:32:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e1f18864275d614fb98bedb6a4fc5a61 SHA-1: 8ecedf19dfafc02b8dcfe7aa8db86463501ab92e SHA-256: 5d158f464aeb5c8d77bd5fd477ebbb36a0370b2f39249635659d39545338bafd
96 Risk Score

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to a URL that mentions 'paypal money generator', indicating a likely phishing or scam lure. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to redirect users to malicious websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://kuzutuzo.ru/wix?keyword=what+is+paypal+money+generator
    • http://xoroketogejuxe.mywebcommunity.org/32782099128.pdf
    • http://zotikarida.medianewsonline.com/la_biblia_hablada_reina_valera_1960_romanos_completo.pdf
    • http://vajukadezazi.getenjoyment.net/guxugaxukodamopilezevufu.pdf
    • http://chaptejvxz.fun/8668466617125efk.pdf
    • http://gnoogle.site/37223370501kzewv.pdf
    • http://motorutovibipe.sportsontheweb.net/79007994078.pdf
    • http://libuwapuvewipev.mywebcommunity.org/73307743881.pdf
    • http://dsv-trening.ru/ielts_writing_sample_papers_with_answers1jbob.pdf
    • https://cdn-cms.f-static.net/uploads/4488135/normal_601f0b92b1cdb.pdf
    • http://figimumagoko.mygamesonline.org/87071858487.pdf
    • http://gosepakaf.getenjoyment.net/midnight_sun_2_book.pdf
    • http://vitrinachel.ru/nadupetuzugizikaxirocmx2v.pdf
    • http://shoop-fg.ru/dell_inspiron_mini_10_pp19s_specificationsobvg2.pdf
    • http://sokixatov.mywebcommunity.org/86869472057.pdf
    • http://tojuvapemupo.mywebcommunity.org/blood_pressure_chart_download.pdf
    • https://cdn-cms.f-static.net/uploads/4366027/normal_5fdb21542288b.pdf
    • https://cdn-cms.f-static.net/uploads/4412583/normal_601d3a28bd023.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/1b3c8d87-b489-44af-b7c1-74d76248c468/how_to_find_angles_of_a_triangle_with_side_lengths.pdf
    • http://nakixaxev.myartsonline.com/cost_accounting_notes_for_bba.pdf
    • https://uploads.strikinglycdn.com/files/d1ce9e6b-dee6-4c4f-bb95-977e27299c36/pilopesekijek.pdf
    • http://tiluxusimutine.atwebpages.com/breves_de_comptoir_gratuit.pdf
    • https://uploads.strikinglycdn.com/files/9b714caa-ed97-412b-907f-d60ccc044469/81093518079.pdf
    • https://uploads.strikinglycdn.com/files/de97c18f-8c75-42fe-a71f-ae13b7b5b48e/shark_navigator_lift_away_pet_upright_vacuum_uv500wm_reviews.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fbcf.bin
40fb6cc040497305c0fc0260e72be83a80c4f93707c15a4bd63d489e7f278a27		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFBCF 5348 bytes
font_01_sfnt_off00010deb.bin
c5cefde1d13d78ff06acf71a9e84317a242caa9830757e5891ebaa4f0cccb0d6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10DEB 11084 bytes

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