Malicious PDF — malware analysis report

Static analysis result for SHA-256 b29cee0f27c53e76…

MALICIOUS

PDF

85.3 KB Created: 2021-02-14 15:20:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: abf451bb3024a668444207e151ecef72 SHA-1: f57bc3a0e6ad34c142ca549acfe0f61ffbf7cdf5 SHA-256: b29cee0f27c53e76cc4727f91c300d0108928f347435bfca5561a76d596ae0e4
96 Risk Score

Malware Insights

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

The file is identified as malicious by ML classifiers and ClamAV, specifically as Pdf.Phishing.Trojan. It contains an embedded URI pointing to a suspicious domain, likely intended to deliver a payload or phish for credentials. The document body, though heavily obfuscated, contains keywords related to pathology and PDF generation, suggesting a lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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/aws?utm_term=genetic+disorders+pathology+pdf PDF link annotation
    • http://sanezukevuzav.iblogger.org/procreate_bullet_journal_template.pdfIn PDF document text
    • http://santecmb-sarl.com/the_mummy_returns_watch_for_free25wm4.pdfIn PDF document text
    • http://card2card.live/63320360108mk2j4.pdfIn PDF document text
    • http://gexedufez.22web.org/11649057849.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446260/normal_60008ce40100b.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4388416/normal_60054cba2e595.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4402478/normal_5fe48d0b92711.pdfIn PDF document text
    • https://cdn.sqhk.co/pozedezupase/fjgenVW/among_us_online_no_download.pdfIn PDF document text
    • https://cdn.sqhk.co/sabimejuka/iaChfhj/eagles_greatest_hits_volume_1_and_2_vinyl.pdfIn PDF document text
    • https://cdn.sqhk.co/xopuxuvop/BPaojgc/55137692462.pdfIn PDF document text
    • http://makeyourself.xyz/manulife_new_logo93z47.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470835/normal_5fd91c4a20f3b.pdfIn PDF document text
    • http://lesifipi.22web.org/full_platform_bed_with_storage_walmart.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4388173/normal_5fefde84d1a6f.pdfIn PDF document text
    • http://b0xberry.online/94230696353cla04.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://poxomagilunedi.epizy.com/integrated_reporting_capitals_acca.pdfIn PDF document text
    • http://timodetunidup.epizy.com/23436479832.pdfIn PDF document text
    • http://ridupokibi.epizy.com/after_effects_animation_scripts_free.pdfIn PDF document text
    • http://gipatoxusopupos.epizy.com/tor_browser_portable.pdfIn PDF document text
    • http://jemumanapumaze.epizy.com/rerabotesewagiti.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_off00010e3c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10E3C 5548 bytes
SHA-256: 871d28fbc337c3b1a41a5aa18ff5fff6be6e82a325166ec92a3c23314d2e2417
font_01_sfnt_off00012124.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12124 11476 bytes
SHA-256: 9fafbb4a111b451100b99cb54a4daaae0d6300987469c78747b997ebd1c4715b

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