Malicious PDF — malware analysis report

Static analysis result for SHA-256 de7de73406bc44cf…

MALICIOUS

PDF

75.7 KB Created: 2021-02-16 22:00:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: e61bb28eb182906f0f23b11a29d02621 SHA-1: 3749653fc707d571f76b2ea90e5f64bd29b9f52b SHA-256: de7de73406bc44cfa3f7958aa833e7dcfaf4710e24266226ee93ebcf7af4e0b4
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF contains an embedded URL that, when clicked, leads to a domain associated with phishing and malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest it is designed to redirect users to malicious content, likely a phishing page or a further payload download.

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/123?utm_term=can%2527t+hear+sound+on+vizio+tv PDF link annotation
    • https://cdn.sqhk.co/bexutavukaro/jennjSe/bavevusuta.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366382/normal_5fded09536aa0.pdfIn PDF document text
    • http://bigonetudukori.iblogger.org/psoriasiform_dermatitis_treatment_uptodate.pdfIn PDF document text
    • http://fotobaruti.22web.org/letaputotoketozevi.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4415051/normal_5ff7e2dacee66.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4425515/normal_60272a7b4376f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4489429/normal_5ff6587f4c575.pdfIn PDF document text
    • http://kersita.fun/steel_bar_weight_calculation_formula_excelwrd28.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4381551/normal_5fc8d174606c2.pdfIn PDF document text
    • http://operationhomeplate.com/direct_line_add_driver9wde4.pdfIn PDF document text
    • https://cdn.sqhk.co/jadidawa/94ds7hd/pejeseroju.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370270/normal_6025cd514570e.pdfIn PDF document text
    • https://cdn.sqhk.co/wezupobuwab/OyAv1hi/55006784132.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4480893/normal_5fe8952e86be6.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4484807/normal_5fe1c1a962d8d.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://kixasudasiwub.epizy.com/komixaxa.pdfIn PDF document text
    • http://fujesotes.epizy.com/debop.pdfIn PDF document text
    • http://beperedusewigu.epizy.com/joborirojemifafudozog.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_off0000ebcb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEBCB 4928 bytes
SHA-256: c5a951f8dd490fa32606d2bc496c07e95e47aaf6e2b7d0a5356d3b502eb34e0e
font_01_sfnt_off0000fc95.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC95 10828 bytes
SHA-256: b8b4de08a15b4afe48211f8075b12cdc44c3b7ebb60f5c0f4df67e963834db6a

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