PDF malware analysis — malicious · c5dd5c088802f3e0

MALICIOUS

PDF

40.5 KB Created: 2020-10-04 10:52:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-28

MD5: 30ef9a1d9edd081d9a4380039addaeef SHA-1: 2b11e879af37eecb636c334217fd0012695cf7b5 SHA-256: c5dd5c088802f3e0991520df804f919a8be116e9f993bf8a987acff3c6397b8c

124 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

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.
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://gettraff.ru/strik?keyword=when+breath+becomes+air+book In PDF document text
- https://site-1036665.mozfiles.com/files/1036665/55754137827.pdfIn PDF document text
- https://site-1036867.mozfiles.com/files/1036867/11935189102.pdfIn PDF document text
- https://site-1039992.mozfiles.com/files/1039992/26498626588.pdfIn PDF document text
- https://site-1036630.mozfiles.com/files/1036630/jusekusukabo.pdfIn PDF document text
- https://site-1038649.mozfiles.com/files/1038649/jokuxepilobafogibor.pdfIn PDF document text
- https://site-1038299.mozfiles.com/files/1038299/92407047467.pdfIn PDF document text
- https://site-1040144.mozfiles.com/files/1040144/sizunujefoxu.pdfIn PDF document text
- https://site-1037157.mozfiles.com/files/1037157/68886545864.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/e8932028-ec62-4747-ab2e-f8c2fc3d96c4/tojobusef.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8b1753ac-5800-402f-b0a0-9e90f533ef93/kevozasevinum.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.

Filename	Kind	Source	Size
`font_00_sfnt_off000062d1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x62D1	5224 bytes
SHA-256: `ff705cdd6b123e98d19fbaef5a10619a13bd0cf31bc4304706dd31dee0a8c11b`
`font_01_sfnt_off00007472.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7472	9800 bytes
SHA-256: `fd612c5c78d056bd984d9b4dcbeed85ada10e7d29f10949ac9f2e12faa78f336`

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