Malicious PDF — malware analysis report

Static analysis result for SHA-256 653633a4d4bf06f7…

MALICIOUS

PDF

32.3 KB Created: 2020-10-29 11:52:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: e6ef7d82ac9b1e9aa68f18724fd43e87 SHA-1: 38b16e36df9b4c27bce6febedb03f181a3bed2c8 SHA-256: 653633a4d4bf06f7c5bd9f42a2fadefa7d37ea5518615fff267ac2abce5dae47
122 Risk Score

Malware Insights

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

The PDF contains embedded links pointing to known malicious redirector infrastructure, specifically 'https://gettraff.ru/pify?keyword=onn+charger+box'. The document body, though heavily obfuscated, appears to contain this URL, suggesting a lure to a malicious site. The PDF's structure and link farm characteristics further indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://gettraff.ru/pify?keyword=onn+charger+box In PDF document text
    • https://cdn-cms.f-static.net/uploads/4369797/normal_5f88fd1ae86c4.pdfIn PDF document text
    • https://nukawopuriw.weebly.com/uploads/1/3/4/3/134347541/xolitisunogumufes.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4377095/normal_5f9832938ee1a.pdfIn PDF document text
    • https://jasazifo.weebly.com/uploads/1/3/1/4/131437377/tilapitadiderorak.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365546/normal_5f87136463858.pdfIn PDF document text
    • https://pebiname.weebly.com/uploads/1/3/1/4/131453048/dumepa-vomunedojaxov-nofeza.pdfIn PDF document text
    • https://saxibodusazo.weebly.com/uploads/1/3/0/7/130740440/6774791.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366017/normal_5f8703b50005d.pdfIn PDF document text
    • https://dokakida.weebly.com/uploads/1/3/1/3/131380589/wemetoxamudegi.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368219/normal_5f8894f287942.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/webipejonavuv/2844975282.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1f2f6aaf-74b7-4572-8f09-a49f5bfb645a/ginukalafiz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0bd5d0a0-19a8-4aa8-bfe7-30464efe3441/6712127234.pdfIn PDF document text
    • https://s3.amazonaws.com/zobuwubedak/51987545711.pdfIn PDF document text
    • https://s3.amazonaws.com/memul/vevirufewotom.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/252cad20-34e1-481e-94f8-ba6ae79e627f/34023980021.pdfIn PDF document text
    • https://s3.amazonaws.com/wilugugo/afspa_act_1990.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006135.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6135 5084 bytes
SHA-256: 1081cdc0d9385b10ab6b686960656ed9476e1f965f0285a54aed6df1a20ea357