Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec72340dbaf5102a…

MALICIOUS

PDF

74.0 KB Created: 2021-02-17 01:36:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: be14c43fc98e88dabef313f706137b47 SHA-1: 77c21b45313d1159302fa1e7f052abd28fe572dc SHA-256: ec72340dbaf5102a72aa920aefe1a3dcb3d0d88f9337e5434d51dc1aadf94782
96 Risk Score

Malware Insights

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

The PDF contains a lure related to a "free disney world dining plan" and embeds a URL pointing to a suspicious domain. ClamAV detection and ML classification indicate maliciousness, 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, potentially for credential harvesting or further payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://baarspo.ru/wb?keyword=free%20disney%20world%20dining%20plan%202021%20release%20date PDF link annotation
    • http://nazhivy.net/jitokaligoqq692.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371806/normal_6010b682e7269.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4445745/normal_600556b4dafcf.pdfIn PDF document text
    • http://evilcheats.fun/bitdefender_android_free_license_keyabjl4.pdfIn PDF document text
    • http://begemotiks.space/81774276240sbhrt.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4373004/normal_5ffa9a47d0018.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4501501/normal_5ff2f110c7e8c.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4476925/normal_5fdf2a2074bdd.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4414498/normal_6000b5451f34e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4444882/normal_60198388d6ec6.pdfIn PDF document text
    • http://alifan.store/tunilemaxotixijed6pnn.pdfIn PDF document text
    • http://salebox.shop/zesid40ven.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://koxaxinum.epizy.com/identity_theft_report_irs.pdfIn PDF document text
    • http://luruloligof.rf.gd/teks_qasidah_burdah.pdfIn PDF document text
    • http://puravusixatix.epizy.com/materi_akuntansi_keuangan_1.pdfIn PDF document text
    • http://kodasakame.rf.gd/58811973561.pdfIn PDF document text
    • http://gebogozomusedom.rf.gd/judas_maccabaeus_sheet_music.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_off0000defd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDEFD 5604 bytes
SHA-256: 86167de74436af78fbcbf618da146c80719a16c69d12afea265b02f1047d5949
font_01_sfnt_off0000f242.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF242 11244 bytes
SHA-256: a83fbc1e965800acbc921990a4a28a7571e1c4d8a234eb32d68542284b1d1a2e

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