Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f98a1cf67ea148d…

MALICIOUS

PDF

65.4 KB Created: 2021-03-01 04:40:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 8a24323e1d1611f82280d56eb6d06761 SHA-1: 82b72fbab87da616a5347cebedd8de1af9e87bdf SHA-256: 2f98a1cf67ea148da561616c2ccd935bbbb9d9ddc65ad0116153887ff2374f9a
124 Risk Score

Malware Insights

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

The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to numerous external URLs hosted on disposable domains, a common tactic for phishing or distributing further malware. The presence of embedded URIs and the heuristic flagging it as a 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly support this attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9736

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
  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://mezovuduw.ru/award?keyword=spotted+lanternfly+egg+masses PDF link annotation
    • https://dataremidesop.weebly.com/uploads/1/3/4/6/134697992/a01a69e9c5b.pdfIn PDF document text
    • https://cdn.sqhk.co/nuvurero/IP8gjie/spinning_shirts_for_sale_port_elizabeth.pdfIn PDF document text
    • https://jozugirizozixus.weebly.com/uploads/1/3/2/3/132303278/daperukojobi.pdfIn PDF document text
    • http://hurleyshamburgers.com/deep_nutrition_why_your_genes_need_traditional_food_free_download05b99.pdfIn PDF document text
    • https://pudexaxetodeli.weebly.com/uploads/1/3/2/6/132683251/ribeba-mowimala-fugajuz-wumenorakor.pdfIn PDF document text
    • http://leaninrzpd.site/sotepeti59k0w.pdfIn PDF document text
    • https://rugibabolunape.weebly.com/uploads/1/3/1/4/131454120/kaximizuzuxagumatalu.pdfIn PDF document text
    • https://cdn.sqhk.co/xopuxuvop/L5ujb1e/38779589524.pdfIn PDF document text
    • http://free-at.pro/border_patrol_numberkhkv2.pdfIn PDF document text
    • https://cdn.sqhk.co/javomekoru/jmoahhE/photo_pip_photo_editor.pdfIn PDF document text
    • http://azorocheat5.xyz/pdf_to_word_document_file_converter7prfr.pdfIn PDF document text
    • https://cdn.sqhk.co/zarejesorufo/h1jfGia/xokirogejex.pdfIn PDF document text
    • http://cabinetshq.xyz/sojejavazakuzizixinesee8ztc.pdfIn PDF document text
    • http://alsamcctv.com/gezibrlicr.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/dikobepibelun/access_2013_combo_box_report.pdfIn PDF document text
    • http://basefub.epizy.com/formas_bidimensionales_ejemplos.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_off0000e613.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE613 5568 bytes
SHA-256: 158d23df75e01ac361992890e762bc3c7ffe60e146fe27eae93d458f5529a193